Floor cleaning robots with artificial intelligence; Automatic floor scrubbers; Floor scrubbing machines; Floor cleaning machines; Electric machines and apparatus for cleaning floors; Parts, components, and attachments for the foregoing
Floor cleaning robots with artificial intelligence; Automatic floor scrubbers; Floor scrubbing machines; Floor cleaning machines; Electric machines and apparatus for cleaning floors; Electric sweepers; Parts, components, and attachments for the foregoing
A surface maintenance machine includes a body, a surface maintenance tool coupled to the body, processing circuitry supported at the body, and a light projection mechanism supported at the body and coupled to the processing circuitry. The light projection mechanism includes a light housing, a light emitting element within the light housing, and a projection lens that is configured to focus light emanating from the light emitting element. The light projection mechanism is configured to project light onto a ceiling surface that is above a floor surface along which the surface maintenance machine is configured to perform a surface maintenance task using the surface maintenance tool.
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A surface maintenance machine includes a body, a surface maintenance tool coupled to the body, processing circuitry supported at the body, and a light projection mechanism supported at the body and coupled to the processing circuitry. The light projection mechanism includes a light housing, a light emitting element within the light housing, and a projection lens that is configured to focus light emanating from the light emitting element. The light projection mechanism is configured to project light onto a ceiling surface that is above a floor surface along which the surface maintenance machine is configured to perform a surface maintenance task using the surface maintenance tool.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A surface maintenance machine includes a maintenance head assembly comprising one or more surface maintenance tools for performing a surface maintenance operation. The machine also includes wheels and an operator grab handle permitting the operator to apply a force to urge the machine to change orientation. The machine also includes a first and second motor controlled by a motor controller. The motor controller is configured to sense a parameter indicative of motor load on the first and second motor and control the power delivered to the first and second motor to maintain a torque output setting. Maintaining the torque output setting is in light of motor load on the first and second motor and the force applied to the machine by the operator. The control of power delivered to the motors to maintain the torque assists the force applied by the operator to the machine.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A surface maintenance machine includes a maintenance head assembly comprising one or more surface maintenance tools for performing a surface maintenance operation. The machine also includes wheels and an operator grab handle permitting the operator to apply a force to urge the machine to change orientation. The machine also includes a first and second motor controlled by a motor controller. The motor controller is configured to sense a parameter indicative of motor load on the first and second motor and control the power delivered to the first and second motor to maintain a torque output setting. Maintaining the torque output setting is in light of motor load on the first and second motor and the force applied to the machine by the operator. The control of power delivered to the motors to maintain the torque assists the force applied by the operator to the machine.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/14 - Floor surfacing or polishing machines motor-driven with rotating tools
A torque transmitting ball joint can include a spherical ball, a stem extending from the spherical ball, one or more pins coupled to the spherical ball, and a socket. The socket can define an opening sized to contain the spherical ball within the socket and one or more slots sized to accommodate a pin of the one or more pins. The one or more pins can be contained by the one or more slots and can translate within the slot as the spherical ball rotates relative to the socket about a pivot center. At least one of the one or more pins can abut a sidewall of its slot and transmit torque from the stem to the socket via the spherical ball when the stem and spherical ball rotates relative to the socket.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A torque transmitting ball joint can include a spherical ball, a stem extending from the spherical ball, one or more pins coupled to the spherical ball, and a socket. The socket can define an opening sized to contain the spherical ball within the socket and one or more slots sized to accommodate a pin of the one or more pins. The one or more pins can be contained by the one or more slots and can translate within the slot as the spherical ball rotates relative to the socket about a pivot center. At least one of the one or more pins can abut a sidewall of its slot and transmit torque from the stem to the socket via the spherical ball when the stem and spherical ball rotates relative to the socket.
A system and method for dispensing a treatment fluid is provided. The system includes a surface maintenance machine, a fluid reservoir, an air blower, and one or more fluid dispensing systems. The one or more fluid dispensing systems each include one or more nozzles in fluid communication with the air blower. The air blower generates an air pressure and dispenses air through the one or more nozzles while the treatment fluid is dispensed through the one or nozzles. The dispensing of air and treatment fluid dispenses the treatment fluid in a mist, fog, or spray to a surface. A method for dispensing a treatment fluid is also provided. The method includes generating an electrically charged treatment fluid and dispensing the electrically charged treatment fluid from the one or more nozzles to a surface.
A system and method for dispensing a treatment fluid is provided. The system includes a surface maintenance machine, a fluid reservoir, an air blower, and one or more fluid dispensing systems. The one or more fluid dispensing systems each include one or more nozzles in fluid communication with the air blower. The air blower generates an air pressure and dispenses air through the one or more nozzles while the treatment fluid is dispensed through the one or nozzles. The dispensing of air and treatment fluid dispenses the treatment fluid in a mist, fog, or spray to a surface. A method for dispensing a treatment fluid is also provided. The method includes generating an electrically charged treatment fluid and dispensing the electrically charged treatment fluid from the one or more nozzles to a surface.
B05B 13/00 - Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B05B 7/24 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
B05B 7/00 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
A surface maintenance machine comprises a surface maintenance head assembly with attached surface maintenance tool for collecting debris/fluid using a fluid delivery/recovery system. Embodiments include an outlet nozzle configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. The outlet nozzle is fluidly connected to a cleaning fluid source which can vary the intensity of cleaning fluid exiting the outlet nozzle such that different intensities of the cleaning fluid correspond to the cleaning fluid being dispensed on different areas of the surface maintenance tool. Embodiments also include a second outlet nozzle, located opposite the first, which is configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. Further embodiments include a pump which can vary the intensity of cleaning fluid exiting the outlet nozzle in a cyclical manner and suspend the cleaning fluid from exiting the outlet nozzle.
A47L 11/10 - Floor surfacing or polishing machines motor-driven
A47L 11/18 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
13.
APPLICATION OF CLEANING SOLUTION ON A SURFACE MAINTENANCE MACHINE
A surface maintenance machine comprises a surface maintenance head assembly with attached surface maintenance tool for collecting debris/fluid using a fluid delivery/recovery system. Embodiments include an outlet nozzle configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. The outlet nozzle is fluidly connected to a cleaning fluid source which can vary the intensity of cleaning fluid exiting the outlet nozzle such that different intensities of the cleaning fluid correspond to the cleaning fluid being dispensed on different areas of the surface maintenance tool. Embodiments also include a second outlet nozzle, located opposite the first, which is configured to dispense cleaning fluid exiting the outlet nozzle on the surface maintenance tool. Further embodiments include a pump which can vary the intensity of cleaning fluid exiting the outlet nozzle in a cyclical manner and suspend the cleaning fluid from exiting the outlet nozzle.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/282 - Floor-scrubbing machines, motor-driven having rotary tools
14.
MOBILE SURFACE MAINTENANCE MACHINE WITH AN ONBOARD PRESSURE WASHER
A mobile surface maintenance machine embodiment includes a mobile body, a solution tank for containing a cleaning fluid, wheels for supporting the mobile body, a maintenance tool(s), an output channel, an electric power source, a first electric motor, and a pressure washer. The pressure washer includes a spray wand, a pressure pump, and a second electric motor. The pressure pump is fluidly coupled to the spray wand and to the solution tank. The pressure pump is configured to pressurize the cleaning fluid supplied to the spray wand. The second electric motor is operatively coupled to and configured to drive the pressure pump. The second electric motor is configured to receive electric power from the electric power source and is commonly powered by the electric power source that provides power to the first electric motor. The second electric motor is separate from the first electric motor.
A mobile surface maintenance machine embodiment includes a mobile body, a solution tank for containing a cleaning fluid, wheels for supporting the mobile body, a maintenance tool(s), an output channel, an electric power source, a first electric motor, and a pressure washer. The pressure washer includes a spray wand, a pressure pump, and a second electric motor. The pressure pump is fluidly coupled to the spray wand and to the solution tank. The pressure pump is configured to pressurize the cleaning fluid supplied to the spray wand. The second electric motor is operatively coupled to and configured to drive the pressure pump. The second electric motor is configured to receive electric power from the electric power source and is commonly powered by the electric power source that provides power to the first electric motor. The second electric motor is separate from the first electric motor.
B08B 3/02 - Cleaning by the force of jets or sprays
H02K 11/25 - Devices for sensing temperature, or actuated thereby
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
E01H 1/10 - Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02P 5/68 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
A47L 11/10 - Floor surfacing or polishing machines motor-driven
A sweeper/scrubber assembly may be used to clean a floor surface without dry sweeping or mopping solid debris from the floor surface before conveying the sweeper/scrubber assembly over the floor surface. In some examples, the sweeper/scrubber assembly includes at least two counter-rotating brushes, a cleaning fluid dispensing system, a vacuum squeegee, and a solid debris collection reservoir. The cleaning fluid dispensing system can dispense cleaning fluid on the floor being cleaning and or one or both brushes. The vacuum squeegee can be positioned against a face of one of the brushes and can apply a vacuum suction force to the face of the brush. The solid debris collection reservoir can be a space not exposed to a vacuum force that collects solid debris thrown by the rotating brushes.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
17.
SWEEPER/SCRUBBER SYSTEM CAPABLE OF HANDLING LARGE DEBRIS
A sweeper/scrubber assembly may be used to clean a floor surface without dry sweeping or mopping solid debris from the floor surface before conveying the sweeper/scrubber assembly over the floor surface. In some examples, the sweeper/scrubber assembly includes at least two counter-rotating brushes, a cleaning fluid dispensing system, a vacuum squeegee, and a solid debris collection reservoir. The cleaning fluid dispensing system can dispense cleaning fluid on the floor being cleaning and or one or both brushes. The vacuum squeegee can be positioned against a face of one of the brushes and can apply a vacuum suction force to the face of the brush. The solid debris collection reservoir can be a space not exposed to a vacuum force that collects solid debris thrown by the rotating brushes.
A handheld suction device may provide an ergonomic and convenient device for cleaning a variety of floor surface soils, including liquid soils. In different configurations, the device may provide a variety of different features to efficiently collect and hold liquid removed from the floor surface and/or prevent vacuum motor flooding if the operator over rotates the device when filled with liquid. In some applications, the handheld suction device provides an interchangeable system that allows the operator to switch between different suction attachments designed for picking up liquid soil and solid soil.
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
A handheld suction device may provide an ergonomic and convenient device for cleaning a variety of floor surface soils, including liquid soils. In different configurations, the device may provide a variety of different features to efficiently collect and hold liquid removed from the floor surface and/or prevent vacuum motor flooding if the operator over rotates the device when filled with liquid. In some applications, the handheld suction device provides an interchangeable system that allows the operator to switch between different suction attachments designed for picking up liquid soil and solid soil.
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
Systems and methods for detecting a site maintenance operation done by a maintenance device are described. At least one motion sensor and at least one localization sensor can each be operatively coupled to the maintenance device to detect one or more motion parameters of the maintenance device via the motion sensor and the localization sensor. The maintenance device can be localized (e.g., its position located) on the indoor map. A movement of the maintenance device can be characterized and/or tracked on the indoor map. A motion map can be displayed to illustrate (e.g., visually represent) the characterized movement. An offsite computer can be used to determine whether the site maintenance operation has commenced at the indoor location, measure one or more maintenance parameters of the site maintenance operation and/or compare the one or more maintenance parameters to predetermined benchmark parameters to determine whether the site maintenance operation has been completed.
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
H04W 4/02 - Services making use of location information
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
A47L 11/00 - Machines for cleaning floors, carpets, furniture, walls, or wall coverings
G01C 21/10 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration
G06Q 10/08 - Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
G01C 21/20 - Instruments for performing navigational calculations
A47L 13/00 - Implements for cleaning floors, carpets, furniture, walls, or wall coverings
H04W 4/30 - Services specially adapted for particular environments, situations or purposes
H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information
H04W 4/33 - Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
G01S 1/02 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Systems and methods for detecting a site maintenance operation done by a maintenance device are described. At least one motion sensor and at least one localization system can each be operatively coupled to the maintenance device to detect one or more motion parameters of the maintenance device via the motion sensor and the localization system. The maintenance device can be localized (e.g., its position located) on the indoor map. A movement of the maintenance device can be characterized and/or tracked on the indoor map. A motion map can be displayed to illustrate (e.g., visually represent) the characterized movement. An offsite computer can be used to determine whether the site maintenance operation has commenced at the indoor location, measure one or more maintenance parameters of the site maintenance operation and/or compare the one or more maintenance parameters to predetermined benchmark parameters to determine whether the site maintenance operation has been completed.
A coupling mechanism for removably coupling a storage cart to a surface maintenance machine includes a cart-side connector connectable to the storage cart and a machine-side connector connectable to the surface maintenance machine. The coupling mechanism includes a connecting rod engageable with the machine-side connector. The coupling mechanism includes a bracket assembly positioned between the cart-side connector and the machine-side connector. The bracket assembly can receive the connecting rod to engage therewith to facilitate a first relative movement between the connecting rod and a portion of the bracket assembly in a direction perpendicular to a floor surface on which the surface maintenance machine is traveling, and a pivoting of the bracket assembly about a pivot axis passing through the connecting rod.
A47L 13/51 - Storing of cleaning tools, e.g. containers therefor
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
24.
Surface maintenance machine with removable storage
A coupling mechanism for removably coupling a storage cart to a surface maintenance machine includes a cart-side connector connectable to the storage cart and a machine-side connector connectable to the surface maintenance machine. The coupling mechanism includes a connecting rod engageable with the machine-side connector. The coupling mechanism includes a bracket assembly positioned between the cart-side connector and the machine-side connector. The bracket assembly can receive the connecting rod to engage therewith to facilitate a first relative movement between the connecting rod and a portion of the bracket assembly in a direction perpendicular to a floor surface on which the surface maintenance machine is traveling, and a pivoting of the bracket assembly about a pivot axis passing through the connecting rod.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A cleaning head assembly for a surface maintenance machine comprising a cleaning tool having a tool adapter, a driver adapted to provide a generally rotational motion to the cleaning tool to clean the floor surface, the driver being releasably connected to the tool adapter of the cleaning tool by a hub, and an aligning receptacle coupled to the tool adapter of the cleaning tool and positioned between the hub and the tool adapter, the aligning receptacle having an receptacle opening for receiving the hub, wherein the aligning receptacle is adapted to guide and matingly seat the hub into the receptacle opening and thereby engage the cleaning tool to the driver such that the cleaning tool and the driver are rotationally aligned and a rotational motion of the driver is transferred to the cleaning tool by the hub.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Power operated maintenance machines and equipment and
structural parts and attachments therefor, namely, street
sweepers and sidewalk litter sweepers; rider and walk-behind
floor scrubbing machines; rider and walk-behind floor
sweeping machines; wet and dry vacuum cleaners; carpet
cleaning machines, namely, carpet extractors; blowers,
namely, power operated blowers; power-operated floor
burnishers, floor buffers, portable carpet and upholstery
spot cleaning machines; all surface cleaning machines,
namely, power-operated floor and wall cleaning machines for
scrubbing, sweeping, polishing, vacuuming, blowing,
burnishing, and buffing surfaces including floors, carpets,
and bathrooms for industrial and commercial use.
37 - Construction and mining; installation and repair services
Goods & Services
Providing servicing, maintenance and repair of power
operated maintenance machines and equipment and structural
parts and attachments therefore, namely, street sweepers and
sidewalk litter sweepers, rider and walk-behind floor
scrubbing machines, rider and walk-behind floor sweeping
machines, wet and dry vacuum cleaners, carpet extractors,
blowers, namely, power operated blowers, power-operated
floor burnishers, floor buffers, portable carpet and
upholstery spot cleaning machines, and all surface cleaning
machines, namely, power-operated floor and wall cleaning
machines for scrubbing, sweeping, polishing, vacuuming,
blowing, burnishing, and buffing surfaces including floors,
carpets, and bathrooms for industrial and commercial use.
(1) Power operated maintenance machines and equipment and structural parts and attachments therefor, namely, street sweepers and sidewalk litter sweepers; rider and walk-behind floor scrubbing machines; rider and walk-behind floor sweeping machines; wet and dry vacuum cleaners; carpet extractors; blowers, namely, portable electric carpet drying fans, for commercial and industrial use; power-operated floor burnishers, floor buffers, portable carpet and upholstery spot cleaning machines; all surface cleaning machines, namely, power-operated floor and wall cleaning machines for scrubbing, sweeping, polishing, vacuuming, blowing, burnishing, and buffing surfaces namely floors, carpets, and bathrooms for industrial and commercial use.
37 - Construction and mining; installation and repair services
Goods & Services
(1) Providing servicing, maintenance and repair of power operated maintenance machines and equipment and structural parts and attachments therefor, namely, street sweepers and sidewalk litter sweepers, rider and walk-behind floor scrubbing machines, rider and walk-behind floor sweeping machines, wet and dry vacuum cleaners, carpet extractors, blowers, namely, portable electric carpet drying fans, for commercial and industrial use, power-operated floor burnishers, floor buffers, portable carpet and upholstery spot cleaning machines, and all surface cleaning machines, namely, power-operated floor and wall cleaning machines for scrubbing, sweeping, polishing, vacuuming, blowing, burnishing, and buffing surfaces namely floors, carpets, and bathrooms for industrial and commercial use.
37 - Construction and mining; installation and repair services
Goods & Services
Providing servicing, maintenance and repair of power operated maintenance machines and equipment and structural parts and attachments therefor, namely, street sweepers and sidewalk litter sweepers, rider and walk-behind floor scrubbing machines, rider and walk-behind floor sweeping machines, wet and dry vacuum cleaners, carpet extractors, blowers, namely, power operated blowers, power-operated floor burnishers, floor buffers, portable carpet and upholstery spot cleaning machines, and all surface cleaning machines, namely, power-operated floor and wall cleaning machines for scrubbing, sweeping, polishing, vacuuming, blowing, burnishing, and buffing surfaces including floors, carpets, and bathrooms for industrial and commercial use
Power operated maintenance machines and equipment and structural parts and attachments therefor, namely, street sweepers and sidewalk litter sweepers; rider and walk-behind floor scrubbing machines; rider and walk-behind floor sweeping machines; wet and dry vacuum cleaners; carpet extractors; blowers, namely, power operated blowers; power-operated floor burnishers, floor buffers, portable carpet and upholstery spot cleaning machines; all surface cleaning machines, namely, power-operated floor and wall cleaning machines for scrubbing, sweeping, polishing, vacuuming, blowing, burnishing, and buffing surfaces including floors, carpets, and bathrooms for industrial and commercial use
(1) Power-operated carpet extractors, power-operated floor scrubbers, power-operated floor polishers, power-operated floor burnishers, and wet/dry vacuum cleaners, all for industrial and commercial use.
(2) Cleaning equipment for cleaning hard and soft floors and other surfaces, namely, power operated floor scrubbers; carpet dirt extractors; floor polishers and floor burnishers; commercial vacuums, namely, wet vacuums, dry vacuums and wet/dry vacuums, all for industrial and commercial use.
A surface maintenance machine is provided having a maintenance head assembly positioned substantially within an envelope of the machine. The maintenance head assembly has at least one maintenance tool attachable thereto. The machine also includes a tool eject mechanism positioned below an upper surface of the body. The tool eject mechanism can generate a drop force sufficient to overcome the force between the maintenance tool and the maintenance head assembly. The tool eject mechanism can have an eject button extending above the upper surface of the deck. The eject button can be actuable by at least a portion of the upper surface of the body of the machine when the maintenance head assembly is raised toward the upper surface of the body of the machine beyond a transport position into a tool eject position. When actuated, the tool eject mechanism can eject the maintenance tool from the maintenance head assembly.
A47L 11/16 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
39.
Surface maintenance machine with a quick eject cleaning tool assembly
A surface maintenance machine is provided having a maintenance head assembly positioned substantially within an envelope of the machine. The maintenance head assembly has at least one maintenance tool attachable thereto. The machine also includes a tool eject mechanism positioned below an upper surface of the body. The tool eject mechanism can generate a drop force sufficient to overcome the force between the maintenance tool and the maintenance head assembly. The tool eject mechanism can have an eject button extending above the upper surface of the deck. The eject button can be actuable by at least a portion of the upper surface of the body of the machine when the maintenance head assembly is raised toward the upper surface of the body of the machine beyond a transport position into a tool eject position. When actuated, the tool eject mechanism can eject the maintenance tool from the maintenance head assembly
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/16 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
A surface maintenance machine comprising two front wheels, at least one rear wheel, a motive source for providing motive force to at least one front wheel to drive the machine on a surface. Embodiments also include an operator platform allowing an operator to stand thereon extending at least partly around the rear wheel, for supporting an operator in a standing position with the operator's feet on either side of the rear wheel.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Embodiments include a surface maintenance machine (100), comprising a maintenance tool chamber comprising a first side, a second side, a third side and a fourth side. A rotary broom (110, 112) is housed in the maintenance tool chamber and substantially enclosed by the first, second, third and fourth sides thereof. The rotary broom (110, 112) sweeps particulate from the surface. A vacuum system (150) generates vacuum for drawing particulate swept by the rotary broom (110, 112). The vacuum system is positioned proximal to the first side. A skirt assembly (200) extends substantially around the second, third and fourth sides of the maintenance tool chamber. The skirt assembly (200) has a vacuum passage defined therein and in fluid communication with the vacuum system to direct air flow into the vacuum passage, thereby drawing particulate into the vacuum passage and preventing particulate accumulation at portions of the second, third and fourth sides that are distal to the vacuum system (150).
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
42.
Surface maintenance machine with an auxiliary waste removal system
An auxiliary waste removal system for a surface maintenance machine, having a vacuum wand for removing waste from the floor surface, a reusable bagless waste collection container removably coupled to the vacuum wand, and a vacuum source fluidly coupled to the bagless waste collection container, the vacuum source generating a vacuum flow from an inlet of the vacuum wand to a vacuum outlet, the vacuum outlet being positioned downstream of the bagless waste collection container and the vacuum source such that the waste suctioned from the floor surface by the vacuum wand travels along the vacuum flow path and is directly received in the bagless waste collection container.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
E01H 1/08 - Pneumatically dislodging or taking-up undesirable matter; Drying by heat only, or by streams of gas; Cleaning by projecting abrasive particles
43.
Surface maintenance machine with skirting to allow particulate pickup
Embodiments include a surface maintenance machine, comprising a maintenance tool chamber comprising a first side, a second side, a third side and a fourth side. A rotary broom is housed in the maintenance tool chamber and substantially enclosed by the first, second, third and fourth sides thereof. The rotary broom sweeps particulate from the surface. A vacuum system generates vacuum for drawing particulate swept by the rotary broom. The vacuum system is positioned proximal to the first side. A skirt assembly extends substantially around the second, third and fourth sides of the maintenance tool chamber. The skirt assembly has a vacuum passage defined therein and in fluid communication with the vacuum system to direct air flow into the vacuum passage, thereby drawing particulate into the vacuum passage and preventing particulate accumulation at portions of the second, third and fourth sides that are distal to the vacuum system.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
44.
Thread forming apparatus and method for rotationally molded product
A thread forming apparatus for forming threads in a rotational molding apparatus comprising a molding pin having a generally elongate shape, at least a portion of the molding pin having a threaded portion, the molding pin adapted to rotate along with the mold and receive the plastic material on at least the threaded portion, the molding pin being releasable relative to the mold such that once the plastic material coats the threaded portion of the molding pin and forms a threaded portion on the molded product, the molding pin is completely removed from the mold.
A surface maintenance machine comprising two front wheels, at least one rear wheel, a motive source for providing motive force to at least one front wheel to drive the machine on a surface. Embodiments also include an operator platform allowing an operator to stand thereon extending at least partly around the rear wheel, for supporting an operator in a standing position with the operator's feet on either side of the rear wheel.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A surface maintenance machine comprising a body having a forward section, a middle section and a rearward section, wherein the forward section is positioned to the front of a transverse centerline of the machine, the middle section is generally centered on the transverse centerline and a rearward section positioned to the rear of the transverse centerline. A storage chamber can be defined in the middle section and enclosed by a front wall, a rear wall, lateral walls, a generally planar top surface, and a generally planar lower surface, such that the storage chamber is generally isolated from components of the surface maintenance machine. The storage chamber can have a storage chamber bottom surface with or below a top surface of at least one battery positioned in the forward section.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/10 - Floor surfacing or polishing machines motor-driven
A surface maintenance machine comprising two front wheels, at least one rear wheel, a motive source for providing motive force to at least one front wheel to drive the machine on a surface. Embodiments also include an operator platform allowing an operator to stand thereon extending at least partly around the rear wheel, for supporting an operator in a standing position with the operator's feet on either side of the rear wheel.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/10 - Floor surfacing or polishing machines motor-driven
Cleaning tool adapter for brushes and pad drivers for power
operated floor maintenance equipment, namely, scrubbers,
sweepers, extractors and burnishers.
52.
SURFACE MAINTENANCE MACHINE WITH A QUICK ALIGNMENT MECHANISM FOR A CLEANING TOOL
A cleaning head assembly for a surface maintenance machine comprising a cleaning tool having a tool adapter, a driver adapted to provide a generally rotational motion to the cleaning tool to clean the floor surface, the driver being releasably connected to the tool adapter of the cleaning tool by a hub, and an aligning receptacle coupled to the tool adapter of the cleaning tool and positioned between the hub and the tool adapter, the aligning receptacle having an receptacle opening for receiving the hub, wherein the aligning receptacle is adapted to guide and matingly seat the hub into the receptacle opening and thereby engage the cleaning tool to the driver such that the cleaning tool and the driver are rotationally aligned and a rotational motion of the driver is transferred to the cleaning tool by the hub.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
E01H 1/05 - Brushing apparatus with driven brushes
A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
53.
Surface maintenance machine with a quick alignment mechanism for a cleaning tool
A cleaning head assembly for a surface maintenance machine comprising a cleaning tool having a tool adapter, a driver adapted to provide a generally rotational motion to the cleaning tool to clean the floor surface, the driver being releasably connected to the tool adapter of the cleaning tool by a hub, and an aligning receptacle coupled to the tool adapter of the cleaning tool and positioned between the hub and the tool adapter, the aligning receptacle having an receptacle opening for receiving the hub, wherein the aligning receptacle is adapted to guide and matingly seat the hub into the receptacle opening and thereby engage the cleaning tool to the driver such that the cleaning tool and the driver are rotationally aligned and a rotational motion of the driver is transferred to the cleaning tool by the hub.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Embodiments include a floor surface maintenance machine, comprising a cleaning tool chamber comprising a first side, a second side, a third side and a fourth side. A rotary broom is housed in the cleaning tool chamber and substantially enclosed by the first, second, third and fourth sides thereof. The rotary broom sweeps particulate from the surface. A vacuum system generates vacuum for drawing particulate swept by the rotary broom. The vacuum system is positioned proximal to the first side. A skirt assembly extends substantially around the second, third and fourth sides of the cleaning tool chamber. The skirt assembly has a vacuum passage defined therein and in fluid communication with the vacuum system to direct air flow into the vacuum passage, thereby drawing particulate into the vacuum passage and preventing particulate accumulation at portions of the second, third and fourth sides that are distal to the vacuum system.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A liquid treatment system comprising a main flow path, a bypass flow path fluidly coupled to a main flow path, and a liquid conditioning module fluidly coupled with the bypass flow path with a reservoir holding treatment components added to liquid entering the reservoir from the bypass flow path to form a treatment solution. A flow rate of liquid in the main flow path is controlled independently of a flow rate of treatment solution flowing into the main flow path. A dispensing component fluidly coupled to the liquid conditioning module controls flow rates or pressures of treatment solution flowing out of the bypass flow path and into the main flow path independently of flow rate of liquid flowing in the main flow path. The liquid treatment system comprises a drop tube system suspended in treatment solution having the highest treatment concentration.
C02F 1/68 - Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
C02F 1/00 - Treatment of water, waste water, or sewage
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/03 - Floor surfacing or polishing machines characterised by having provisions for supplying cleaning or polishing agents
Embodiments include a waste recovery system for a floor surface maintenance machine. The waste recovery system comprises a squeegee assembly having a squeegee frame, a squeegee retainer extending below the squeegee frame and a reservoir integrally defined in the squeegee retainer. The reservoir can have an inlet passage proximal to the floor surface, an outlet passage fluidly coupled to the fluid suction path and leading to the waste recovery tank, and a fluid trap portion positioned between the inlet and outlet passages. The fluid trap portion can retain backflow fluids in the fluid suction path. The reservoir is positioned at a clearance distance from the floor surface in a direction normal to the floor surface such that the reservoir forms the lowest portion of the waste recovery system in the direction normal to the floor surface.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
59.
Surface maintenance vehicle with an integrated water trap for trapping residual waste
Embodiments include a waste recovery system for a floor surface maintenance machine. The waste recovery system comprises a squeegee assembly having a squeegee frame, a squeegee retainer extending below the squeegee frame and a reservoir integrally defined in the squeegee retainer. The reservoir can have an inlet passage proximal to the floor surface, an outlet passage fluidly coupled to the fluid suction path and leading to the waste recovery tank, and a fluid trap portion positioned between the inlet and outlet passages. The fluid trap portion can retain backflow waste in the fluid suction path. The reservoir is positioned at a clearance distance from the floor surface in a direction normal to the floor surface such that the reservoir forms the lowest portion of the waste recovery system in the direction normal to the floor surface.
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A liquid treatment system comprising a main flow path, a bypass flow path fluidly coupled to a main flow path, and a liquid conditioning module fluidly coupled with the bypass flow path with a reservoir holding treatment components added to liquid entering the reservoir from the bypass flow path to form a treatment solution. A flow rate of liquid in the main flow path is controlled independently of a flow rate of treatment solution flowing into the main flow path. A dispensing component fluidly coupled to the liquid conditioning module controls flow rates or pressures of treatment solution flowing out of the bypass flow path and into the main flow path independently of flow rate of liquid flowing in the main flow path. The liquid treatment system comprises a drop tube system suspended in treatment solution having the highest treatment concentration.
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 1/50 - Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
C02F 1/68 - Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
C02F 5/08 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
C25B 9/18 - Assemblies comprising a plurality of cells
C25B 15/08 - Supplying or removing reactants or electrolytes; Regeneration of electrolytes
B08B 1/00 - Cleaning by methods involving the use of tools, brushes, or analogous members
B08B 1/04 - Cleaning by methods involving the use of tools, brushes, or analogous members using rotary operative members
B08B 3/04 - Cleaning involving contact with liquid
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B08B 3/10 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
64.
SYSTEMS AND METHODS FOR SUPPLYING TREATMENT LIQUIDS HAVING NANOBUBBLES
A method and apparatus are provided for cleaning a surface (125, 410). In one example, the method includes passing a feed liquid from a liquid source (106) to an electrolysis cell (10) and inducing a current through the electrolysis cell (10) to electrochemically activate the feed liquid in the electrolysis cell (10). Electrolysis of the feed liquid can generate an electrochemically-activated liquid that is supersaturated with dissolved gases (e.g., oxygen and/or hydrogen) and also contains nanobubbles. In one configuration, the electrolysis cell generates a concentration of nanobubbles having a diameter of 10nm to 450 nm of at least 1x10°. The method can further involve dispensing at least one portion of the electrochemically-activated liquid to the surface (125, 410).
B08B 1/00 - Cleaning by methods involving the use of tools, brushes, or analogous members
B08B 1/04 - Cleaning by methods involving the use of tools, brushes, or analogous members using rotary operative members
B08B 3/04 - Cleaning involving contact with liquid
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B08B 3/10 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
B08B 7/00 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Cleaning tool adapter for brushes and pad drivers for power operated floor maintenance equipment, namely, scrubbers, sweepers, extractors and burnishers
An on-board battery watering system for power operated floor maintenance equipment, namely, scrubbers, sweepers, burnishers, and extractors, that automatically fills batteries with water at the correct time in the charging cycle
A magnetic cleaning head system sold as part of power operated, floor maintenance equipment, namely, scrubbers, sweepers, and burnishers, that allows for hands free attachment and removal of tools and attachments, namely, cleaning brushes and pads
A mobile floor cleaner that includes a moveable housing, a cleaning head operably supported by the moveable housing, one or more solution generators configured to receive a feed liquid and to generate a cleaning solution from the feed liquid by application of acoustic energy and/or nanobubble generation, and control electronics configured to operate the one or more solution generators.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
73.
Cleaning head assemblies having touch-free attachment and alignment technology
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad or a brush driver, wherein the driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.
A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
74.
SURFACE MAINTENANCE MACHINE WITH A HEAD ADJUSTMENT MECHANISM
Embodiments include a mechanism for leveling or providing pad assistance to surface maintenance machines. The surface maintenance machine can include a frame, a plurality of wheels, a head assembly, and a head adjustment mechanism. The head adjustment mechanism can be positioned in line with and operatively coupled to a first portion of the head assembly, such that the first portion of the head assembly can be moved towards or away from the surface by adjusting the position of a fastener in a slot. Such embodiments are useful for leveling the head assembly to maintain an even degree of burnishing or providing pad assistance. Embodiments include methods of using such mechanisms for leveling or providing pad assist to surface maintenance machines.
A47L 11/14 - Floor surfacing or polishing machines motor-driven with rotating tools
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
75.
Surface maintenance machine with a head adjustment mechanism
Embodiments include a mechanism for leveling or providing pad assistance to surface maintenance machines. The surface maintenance machine can include a frame, a plurality of wheels, a head assembly, and a head adjustment mechanism. The head adjustment mechanism can be positioned in line with and operatively coupled to a first portion of the head assembly, such that the first portion of the head assembly can be moved towards or away from the surface by adjusting the position of a fastener in a slot. Such embodiments are useful for leveling the head assembly to maintain an even degree of burnishing or providing pad assistance. Embodiments include methods of using such mechanisms for leveling or providing pad assist to surface maintenance machines.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/16 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
B24B 7/18 - Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
B24B 23/02 - Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
B24B 23/00 - Portable grinding machines, e.g. hand-guided; Accessories therefor
A47L 11/14 - Floor surfacing or polishing machines motor-driven with rotating tools
76.
WATER RECYCLING SYSTEM FOR MOBILE SURFACE CLEANERS
A mobile surface cleaner 100 has a mobile body 102 configured to travel to areas to be cleaned. A dispensing system 103 attached to the mobile body 102 dispenses liquid on a surface 104 as dispensed liquid. A recovery system 105 attached to the mobile body 102 recovers dispensed liquid as recovered liquid 124. A regenerative media filter 148 attached to the mobile body 102 filters the recovered liquid 124 to form filtered liquid 152 that can be dispensed by the dispensing system 103.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Cleaning equipment for cleaning hard and soft floors and other surfaces, namely, power operated floor scrubbers; carpet dirt extractors; floor polishers and floor burnishers; commercial vacuums, namely, wet vacuums, dry vacuums and wet/dry vacuums, all for industrial and commercial use
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/164 - Parts or details of the brushing tools
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
A47L 11/16 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
A47L 11/162 - Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes having only a single disc brush
82.
CLEANING DISC HAVING SACRIFICIAL ELECTROLYSIS CELL AND CORRESPONDING MOBILE FLOOR CLEANER
An apparatus (10, 300) is provided having a scrubbing disc (30, 224, 234, 312) that includes sacrificial electrodes (110, 112, 220, 222, 230, 232) of an electrolysis cell (36, 336).
Certain embodiments include a fluid recovery system. The fluid recovery system includes a vacuum system that applies a suction force on fluids on the floor surface to draw fluids to a fluid recovery tank. A reservoir is operably coupled to a recovery hose. The reservoir includes an inlet passage, an outlet passage leading to the recovery hose, and a fluid trap portion positioned between the inlet and outlet passages. The reservoir permits passage therethrough of fluids suctioned by the vacuum system from the floor to the recovery hose, and traps a backflow of fluids from the recovery hose in the fluid trap portion when the vacuum system stops suctioning fluids from the floor to the recovery hose. The reservoir is shaped to be generally self-cleaning and clears most fluids trapped in the fluid trap portion when the vacuum system starts suctioning fluids from the floor to the recovery hose.
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
A47L 11/30 - Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
84.
SURFACE MAINTENANCE VEHICLE WITH SELF-CLEANING RESERVOIR THAT CAPTURES HOSE RUNOFF
Certain embodiments include a fluid recovery system. The fluid recovery system includes a vacuum system that applies a suction force on fluids on the floor surface to draw fluids to a fluid recovery tank. A reservoir is operably coupled to a recovery hose. The reservoir includes an inlet passage, an outlet passage leading to the recovery hose, and a fluid trap portion positioned between the inlet and outlet passages. The reservoir permits passage therethrough of fluids suctioned by the vacuum system from the floor to the recovery hose, and traps a backflow of fluids from the recovery hose in the fluid trap portion when the vacuum system stops suctioning fluids from the floor to the recovery hose. The reservoir is shaped to be generally self-cleaning and clears most fluids trapped in the fluid trap portion when the vacuum system starts suctioning fluids from the floor to the recovery hose.
A47L 7/00 - Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
85.
SYSTEM AND METHOD FOR GENERATING AND DISPENSING SODIUM HYDROXIDE SOLUTIONS
A system (10, 110) and method for generating and dispensing a diluted sodium hydroxide solution, the system (10, 110) including an electrolysis unit (16, 116) configured to electrochemically generate a concentrated sodium hydroxide solution from an anolyte solution formed with a non-chlorinated electrolyte. The system (10, 110) also including a dosing pump (32, 132) configured to receive dilution water and the concentrated sodium hydroxide solution at a high dilution ratio to produce the diluted sodium hydroxide solution, and a dispenser (14, 114) configured to dispense the diluted sodium hydroxide solution.
An electrolytic cell (10) is provided. The cell includes a housing (12, 40) having a liquid inlet (30) and a liquid outlet (32), an anode (22) and a cathode (20) positioned within the housing (12, 40) and defining a reaction chamber (14, 16) therebetween, and a liquid flow path, from the liquid inlet (30) to the liquid outlet (32), which passes through the reaction chamber (14, 16). A transition duct (34) is positioned at the liquid outlet (32) and has a duct inlet, a duct outlet and a transition section along which internal side walls (104) of the transition section converge along the liquid flow path to define a smooth transition from a first cross-sectional area (100) to a second cross-sectional area (102) of the transition duct. The first cross- sectional area (100) is at least two times greater than the second cross sectional area (102).
C25B 9/00 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
87.
System and method for generating and dispensing sodium hydroxide solutions
A system and method for generating and dispensing a diluted sodium hydroxide solution, the system including an electrolysis unit configured to electrochemically generate a concentrated sodium hydroxide solution from an anolyte solution formed with a non-chlorinated electrolyte. The system also including a dosing pump configured to receive dilution water and the concentrated sodium hydroxide solution at a high dilution ratio to produce the diluted sodium hydroxide solution, and a dispenser configured to dispense the diluted sodium hydroxide solution.
An electrolytic cell is provided. The cell includes a housing having a liquid inlet and a liquid outlet outlet, an anode and a cathode positioned within the housing and defining a reaction chamber therebetween, and a liquid flow path, from the liquid inlet to the liquid outlet, which passes through the reaction chamber. A transition duct is positioned at the liquid outlet and has a duct inlet, a duct outlet and a transition section along which internal side walls of the transition section converge along the liquid flow path to define a smooth transition from a first cross-sectional area to a second cross-sectional area of the transition duct. The first cross-sectional area is at least two times greater than the second cross sectional area.
C25B 9/00 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
C25B 15/08 - Supplying or removing reactants or electrolytes; Regeneration of electrolytes
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad driver, wherein the pad driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
93.
Cleaning head assemblies having touch-free attachment and alignment technology
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad driver, wherein the pad driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
A battery-powered vehicle and a vehicle battery maintenance system that includes a battery charger that monitors energy consumption data from the vehicle battery to generate charging instructions to a charger. A central data unit (CDU) can determine whether if a vehicle electrical load is consuming too much energy and then generate instructions to the vehicle controller to limit the energy consumption. The CDU can notify an offsite central computer if the battery has not been charged according to charging instructions.
An automatic and dynamic maintenance scheduling system for surface cleaning machines. Based on the receipt or lack of receipt of machine usage data from the machine, the system will adjust or maintain scheduled service call dates.
An automatic and dynamic maintenance scheduling system for surface cleaning machines. Based on the receipt or lack of receipt of machine usage data from the machine, the system will adjust or maintain scheduled service call dates.
A method and apparatus are provided for electrolyzing a source liquid in an electrolytic device. The electrolytic device includes a first cathode in a cathode chamber; and an anode and a second, auxiliary cathode in an anode chamber. The anode chamber and cathode chamber are separated by a barrier, and the anode and the auxiliary cathode are separated by a gap that lacks a barrier. While electrolyzing the source liquid with the electrolytic device, a level of current applied to the auxiliary cathode is adjusted in response to pH of an anolyte liquid produced from the source liquid by the anode chamber to maintain the pH within a desired range.
C25B 9/04 - Devices for current supply; Electrode connections; Electric inter-cell connections
C25B 9/00 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
A method and apparatus are provided for electrolyzing a source liquid (54) in an electrolytic device (10, 50, 300). The electrolytic device (10, 50, 300) includes a first cathode (20, 320) in a cathode chamber (14); and an anode (22, 322) and a second, auxiliary cathode (24, 324) in an anode chamber (16). The anode chamber (16) and cathode chamber (14) are separated by a barrier (18, 316), and the anode (22, 322) and the auxiliary cathode (24, 324) are separated by a gap (26) that lacks a barrier. While electrolyzing the source liquid with the electrolytic device (10, 50, 300), a level of current applied to the auxiliary cathode (24, 324) is adjusted in response to pH of an anolyte liquid (36) produced from the source liquid (32, 54) by the anode chamber (16) to maintain the pH within a desired range.
Embodiments of the invention provide a cleaning apparatus, such as a battery- powered vacuum cleaner, that has a body and a cleaning wand. The apparatus operates in a multiple power mode, uses a wireless system to allow an operator interface to be provided on the cleaning wand and/or uses a motion detector on the cleaning wand to operate the cleaning apparatus in an intelligent manner. In cases where the cleaning apparatus is a battery-powered apparatus, the use of a multiple power mode, wireless system and/or a motion detector helps to extend the life of a battery.
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
A system (10) and method for generating hypochlorous acid, the system (10) comprising an electrolysis cell (38), a first fluid line (36) configured to direct a first salt solution to a cathode chamber (42) of the electrolysis cell (38), and a second fluid line (56) configured to direct a second salt solution to an anode chamber (46) of the electrolysis cell (38), where the second salt solution has a greater salt concentration than the first salt solution.
C25B 9/00 - Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
