A rotary cutting blade includes a cutting edge, a lift wing that arcs or angles upwardly from the cutting edge and defines a leading end from which the cutting edge extends and a trailing end, and a wing tail that extends from the trailing end of the lift wing in a direction away from the cutting edge.
A chore product includes a chassis, an energy storage device supported by the chassis, a left drive assembly, and a right drive assembly. Each of the left drive assembly and the right drive assembly includes a drive motor coupled to the energy storage device, an axle coupled to a left tractive element or a right tractive element, and a transmission positioned between the drive motor and the axle. The transmission includes a housing having a first end and a second end. The housing defines a first interface positioned at the first end and engaging with the drive motor, a second interface positioned at the second end and receiving the axle, a third interface positioned proximate the second end and extending from the housing in a first direction, and a fourth interface positioned proximate the second end and extending from the housing in a second direction generally opposite the first direction.
An electric chore motor assembly includes a chore motor having a rotor, a stator, a base housing, an outer housing, and a drive shaft rotationally coupled to the rotor and extending through the base housing. The electric chore motor assembly includes a motor controller enclosed between the base housing and the outer housing. The motor controller is connected to the stator by phase wires that are enclosed between the base housing and the outer housing.
A01D 34/37 - Driving mechanisms for the cutters electric
A01D 34/58 - Driving mechanisms for the cutters electric
A01D 34/78 - Driving mechanisms for the cutters electric
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A01D 34/01 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
A01D 34/412 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
A01D 34/47 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator with motor driven cutters or wheels
An electrified chore product includes a chassis, an energy storage device supported by the chassis, an implement, a tractive element, one or more electric motors powered by the energy storage device, a charging port configured to facilitate connecting the energy storage device to an external power source, and an integrated charger. The one or more electric motors are positioned to drive at least one of the implement or the tractive element. The integrated charger is connected between the energy storage device and the charging port.
A brake assembly includes a brake pedal pivotally coupled to a base plate at a first rotation point and including a first pedal portion, the brake pedal configured to pivot from a first disengaged configuration to a first engaged configuration. The brake assembly further includes a lock pedal including a second pedal portion, the lock pedal rotatably coupled to the brake pedal and configured to move from a second disengaged configuration to a second engaged configuration when force is applied to the second pedal portion, wherein the brake pedal is configured to pivot from the first disengaged configuration to the first engaged configuration when the force is applied to the second pedal portion. The lock pedal is configured to remain in the second engaged configuration and the brake pedal is configured to remain in the first engaged configuration when the force on the second pedal portion is removed.
A battery pack assembly includes a battery pack and a dock assembly. The battery pack includes a plurality of battery cells, a plurality of collector plates each connected to a subset of the plurality of battery cells, a PCB sense board coupled to the plurality of collector plates through a plurality of wires, an outer housing configured to enclose the plurality of cells, a handle extending from the outer housing, an electrical receptacle located on a side of the outer housing, the electrical receptacle comprising a plurality of ports, and a rail coupled to the outer housing and including a mounting aperture. The dock assembly includes a body and an electrical connector configured to connect to the electrical receptacle. The dock assembly is configured to couple to the outer housing via a fastener extending through the body and into the mounting aperture.
H01M 50/10 - Primary casings, jackets or wrappings of a single cell or a single battery
H01M 50/172 - Arrangements of electric connectors penetrating the casing
H01M 50/244 - Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
H01M 50/262 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
H01M 50/296 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
H01M 50/103 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
H01M 50/20 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/50 - Current conducting connections for cells or batteries
A battery system includes a battery pack, a load circuit comprising a switch configured to selectively couple the battery pack to a load, an auxiliary bus electrically coupled to the battery pack, a voltage sensor configured to provide voltage data indicating a voltage at the auxiliary bus and a controller operatively coupled to the voltage sensor. The controller is configured to determine, based on the voltage data, whether a power source other than the battery pack is supplying electrical energy to the auxiliary bus.
H01M 10/46 - Accumulators structurally combined with charging apparatus
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
8.
CHARGING AND DISCHARGING SYSTEMS FOR BATTERY SYSTEMS INCLUDING MULTIPLE BATTERY PACKS
Power equipment includes a chassis, an implement coupled to the chassis, and a battery system coupled to the chassis. The battery system includes a first battery pack, a second battery pack, a circuit including a first switch configured to selectively couple the first battery pack to the implement and a second switch configured to selectively couple the second battery pack to the implement; and a controller operatively coupled to the circuit. The controller controls the first switch and the second switch according to a first control strategy in response to an indication that the power equipment is a first type of power equipment. The controller controls the first switch and the second switch according to a second control strategy in response to an indication that the power equipment is a second type of power equipment.
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
A01D 34/37 - Driving mechanisms for the cutters electric
A01D 34/58 - Driving mechanisms for the cutters electric
B60L 50/52 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
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
H01M 50/20 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
A power management system includes a first power source, a second power source, a first electrical load, a second electrical load, a load management module configured to selectively connect power to the fist electrical load and the second electrical load, a wireless gateway communicably coupled to the first power source, the second power source, and the load management module, and a controller. The controller is configured to determine a power configuration based on an energy profile and a load profile and control operation of the load management module to provide or inhibit a connection between the first power source and the first electrical load and the second electrical load. The power configuration prioritizes the first power source over the second power source.
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
H02H 3/027 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with automatic disconnection after a predetermined time
A battery pack includes a battery housing defining an internal cavity, a first positive terminal extending through the housing, a first negative terminal extending through the housing, a plurality of battery cells within the internal cavity, and a battery charger within the internal cavity. The plurality of battery cells are electrically coupled to the first positive terminal and the first negative terminal. The battery charger is configured to charge the plurality of battery cells and includes a second positive terminal electrically coupled to the first positive terminal within the housing, and a second negative terminal electrically coupled to the first negative terminal within the housing.
A lawn mower includes a drive wheel, a mowing deck including a cutting blade, a wheel motor operable to rotate the drive wheel, a cutting blade motor operable to rotate the cutting blade, and a battery system. The battery system includes a battery configured to power the wheel motor and the cutting blade motor and a battery controller communicably coupled to the battery. The battery controller includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to determine an electric current threshold for the battery, broadcast a message comprising the electric current threshold, compare an actual electric current of the battery to the electric current threshold, and adjust an operation of the battery system in response in response to determining that the actual electric current of the battery exceeds the electric current threshold for a predetermined amount of time.
A01D 34/00 - Mowers; Mowing apparatus of harvesters
A01D 34/78 - Driving mechanisms for the cutters electric
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performance; Adaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
A01D 34/58 - Driving mechanisms for the cutters electric
A01D 34/64 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A method for recalibrating an engine includes querying an engine for a unique engine identifier, sending the unique engine identifier to a cloud-based server, determining one or more engine calibration settings available to the engine based on the unique engine identifier sent to the cloud-based server, presenting the one or more engine calibration settings to a user through a user interface so that the user may select a desired engine calibration setting, sending the desired engine calibration setting as selected by the user to an electronic control unit of the engine, and replacing a current engine calibration with the desired engine calibration setting in the electronic control unit of the engine.
A zero-turn radius (ZTR) mower, comprising a chassis, a pair of front wheels coupled with the chassis, a pair of rear wheels coupled with the chassis, a mower deck supported by the chassis, and a battery assembly configured to power a drive motor. The battery assembly may comprise a plurality of battery packs, and a receptacle defined in part by a bottom wall. The receptacle may include a plurality of bays, each bay having a receiver extending away from the bottom wall, the receiver configured to guide a battery pack within the bay, and a power connector spaced a distance from the bottom wall, the power connector configured to engage the pack connector to electrically couple the battery pack to the receptacle, where the receptacle is angled at an acute angle relative to an operating plane.
A01D 69/02 - Driving mechanisms or parts thereof for harvesters or mowers electric
A01D 34/64 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A01D 34/66 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
A zero-turn radius lawnmower includes a chassis having a rear frame, a crossbeam, and a subframe, and a battery receptacle for receiving a battery pack. A first rear suspension cradle is rotatable coupled to the crossbeam on a first end, and is movably coupled to the first side panel on a second end. The first rear suspension cradle supports a first electric motor configured to rotate a first drive wheel supported by the first rear suspension cradle. A second rear suspension cradle is rotatably coupled to the crossbeam on a first end and movably coupled to the second side panel on a second end. The second suspension cradle supports a second electric motor configured to rotate a second drive wheel supported by the second rear suspension cradle. The first rear suspension cradle and the second rear suspension cradle are independently rotatable relative to the rear frame.
A01D 34/64 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
15.
BATTERY OPERATED OUTDOOR EQUIPMENT HAVING DISPLAY SHOWING CALCULATED REMAINING RUNTIME OF BATTERY DEPENDING ON OPERATION MODE
A battery-powered outdoor power equipment includes a battery, a first electric motor configured to operate at a first power level and a second power level, a runtime module having a display and a first control button, and a controller in communication with the battery, the electric motor, and the display. The controller being configured to communicate a remaining runtime of the battery to the display based on a charge level of the battery, and update the remaining runtime in response to an input to the first control button that changes the first electric motor from the first power level to the second power level.
A ride-on outdoor power equipment, comprising a chassis a pair of front wheels coupled with the chassis, a pair of rear wheels coupled with the chassis, a mower deck supported by the chassis, and a battery assembly configured to power a drive motor. The battery assembly may include a plurality of battery packs, and a receptacle defined in part by a bottom wall. The receptacle may include a plurality of bays, each bay having a receiver extending away from the bottom wall, the receiver configured to guide a battery pack within the bay, and a power connector spaced a distance from the bottom wall, the power connector configured to engage the pack connector to electrically couple the battery pack to the receptacle, where the receptacle is angled at an acute angle relative to an operating plane.
A removable and replaceable battery pack includes a plurality of battery cells, an outer housing configured to encase the plurality of battery cells, a handle extending from the outer housing configured to be grasped by a user, an electrical connector located on a rear side of the outer housing, and a plurality of MOSFETs configured to control a current output to the electrical connector. The electrical connector includes a plurality of ports and is configured to electrically couple to a battery receptacle connector. Each of the plurality of MOSFETs is thermally coupled to the outer housing.
H01M 50/233 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
H01M 50/247 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
A battery pack assembly which includes a battery pack. The battery pack includes a housing receiving a plurality of rechargeable battery cells, a battery management system (BMS) in communication with the rechargeable battery cells and configured to monitor one or more operating characteristics of the rechargeable battery cells, a plurality of terminals to transmit electrical power between the rechargeable battery cells and a piece of equipment coupled with the plurality of terminals, a communication interface in communication with BMS and configured to transmit the operating characteristics of the rechargeable battery cells over a communication protocol and receive information from the piece of equipment coupled with the plurality of terminals over the communication protocol.
H01M 50/50 - Current conducting connections for cells or batteries
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H01M 50/262 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
19.
SMALL AIR-COOLED ENGINE WITH CATALYTIC CONVERTER WITH RUTHENIUM CATALYST
A small-air cooled internal combustion engine includes an engine block including a cylinder, a piston within the cylinder, a crankshaft configured to be driven by the piston, a blower system including a fan that is configured to pull air over the engine block, a fuel system for supplying an air-fuel mixture to the cylinder, and an exhaust system for removing exhaust from the cylinder. The exhaust system comprises an exhaust inlet, a muffler and, a catalytic converter including a catalyst. The catalyst comprises a precious metal loading having ruthenium as a primary element by mass.
F01N 3/10 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
An internal combustion engine includes an engine block, a piston, a cylinder head, and a valve train. The engine block includes a cylinder block including a cylinder bore and a crankcase defining a crankcase chamber with a crankshaft positioned within the crankcase chamber. The piston is coupled to the crankshaft and configured to reciprocate within the cylinder bore. The cylinder head is coupled to the cylinder block. The valve train includes a camshaft, a first and second pushrod, a first and second rocker arm, an exhaust valve housed, and an intake valve. The first rocker arm, the second rocker arm, the exhaust valve, and the intake valve each include at least a layer of a low friction material. The first and second pushrod each pass through a pushrod seal to prevent fluid from reaching the rocker chamber to fluidly isolate the rocker chamber from the crankcase chamber.
A battery pack includes a housing, rechargeable lithium-ion battery cells, a positive terminal, a negative terminal, a data terminal, a battery management system, and an Internet of Things (IoT) module. The data terminal includes at least one data pin that is configured to receive operational information from a piece of equipment coupled with the battery pack. The IoT module is in communication with the data terminal and the battery management system, and is configured to receive operational information about the piece of equipment from the data terminal, receive operational information about the rechargeable lithium-ion battery cells from the battery management system, and transmit the operational information about the piece of equipment and the operational information from the lithium-ion battery cells via a network interface. The network interface is configured to communicate the operational information about the piece of equipment and the operational information about the rechargeable lithium-ion battery cells to a mesh network, and is configured to communicate over at least two frequencies.
A battery pack includes a housing, a positive terminal and a negative terminal, and a plurality of cell module assemblies. The positive terminal and negative terminal are each externally accessible from the housing and extend into a first compartment of the housing. The cell module assemblies are received in a second compartment of the housing, and are coupled to the positive terminal and the negative terminal through a connection extending from the second compartment into the first compartment. The first compartment is accessible through a first panel that is movably coupled to the housing through a first securing mechanism providing a first level of access. The second compartment is accessible through a second panel that is movably coupled to the housing through a second securing mechanism providing a second level of access.
A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.
A battery pack includes a battery housing, a positive terminal, a negative terminal, a plurality of cell module assemblies, and a battery management system. The plurality of cell module assemblies are received within an internal cavity of the battery housing, and include a plurality of lithium-ion battery cells that are connected in parallel. The battery management system is in communication with at least one of the plurality of cell module assemblies within the internal cavity, and is structured to receive a voltage tap measurement from each of the plurality of cell module assemblies within the internal cavity, compare the voltage tap measurement from each of the plurality of cell module assemblies to an expected voltage tap measurement, and determine if a voltage tap measurement for a cell module assembly within the plurality of cell module assemblies deviates from the expected voltage tap measurement to identify a faulty cell module assembly.
Systems and apparatuses include a lawn mower including a frame, a deck coupled to the frame, and an electric power take off outlet coupled to the frame and structured to electrically couple with a battery. The electric power take off outlet including a power port structured to electrically couple to a peripheral device, and a data port structured to communicate with the peripheral device.
Outdoor power equipment including a frame, a battery, multiple wheels, a cutting deck, multiple chore motors, and multiple blades. The cutting deck is coupled to the frame and has a discharge opening. The electric chore motors are attached to the cutting deck and are selectively powered by the battery. Each of the blades is powered and rotated by one of the multiple electric chore motors. A first blade of the multiple blades is rotated in a first direction and a second blade of the multiple blades is rotated in a second direction opposite the first direction.
A01D 34/64 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
A01D 34/66 - Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
patents
