|
F04D 1/00
|
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps |
|
F04D 1/02
|
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal |
|
F04D 1/04
|
Helico-centrifugal pumps |
|
F04D 1/06
|
Multi-stage pumps |
|
F04D 1/08
|
Multi-stage pumps the stages being situated concentrically |
|
F04D 1/10
|
Multi-stage pumps with means for changing the flow-path through the stages, e.g. series/parallel |
|
F04D 1/12
|
Pumps with scoops or like paring members protruding in the fluid circulating in a bowl |
|
F04D 1/14
|
Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis |
|
F04D 3/00
|
Axial-flow pumps |
|
F04D 3/02
|
Axial-flow pumps of screw type |
|
F04D 5/00
|
Pumps with circumferential or transverse flow |
|
F04D 7/00
|
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts |
|
F04D 7/02
|
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type |
|
F04D 7/04
|
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous |
|
F04D 7/06
|
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metal |
|
F04D 7/08
|
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being radioactive |
|
F04D 9/00
|
Priming; Preventing vapour lock |
|
F04D 9/02
|
Self-priming pumps |
|
F04D 9/04
|
Priming; Preventing vapour lock using booster pumps to prevent vapour lock |
|
F04D 9/06
|
Priming; Preventing vapour lock using booster pumps to prevent vapour lock of jet type |
|
F04D 11/00
|
Other rotary non-positive-displacement pumps |
|
F04D 13/00
|
Pumping installations or systems |
|
F04D 13/02
|
Units comprising pumps and their driving means |
|
F04D 13/04
|
Units comprising pumps and their driving means the pump being fluid-driven |
|
F04D 13/06
|
Units comprising pumps and their driving means the pump being electrically driven |
|
F04D 13/08
|
Units comprising pumps and their driving means the pump being electrically driven for submerged use |
|
F04D 13/10
|
Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes |
|
F04D 13/12
|
Combinations of two or more pumps |
|
F04D 13/14
|
Combinations of two or more pumps the pumps being all of centrifugal type |
|
F04D 13/16
|
Pumping installations or systems with storage reservoirs |
|
F04D 15/00
|
Control, e.g. regulation, of pumps, pumping installations, or systems |
|
F04D 15/02
|
Stopping of pumps, or operating valves, on occurrence of unwanted conditions |
|
F04D 17/00
|
Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids |
|
F04D 17/02
|
Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids having non-centrifugal stages, e.g. centripetal |
|
F04D 17/04
|
Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids having non-centrifugal stages, e.g. centripetal of transverse-flow type |
|
F04D 17/06
|
Helico-centrifugal pumps |
|
F04D 17/08
|
Centrifugal pumps |
|
F04D 17/10
|
Centrifugal pumps for compressing or evacuating |
|
F04D 17/12
|
Multi-stage pumps |
|
F04D 17/14
|
Multi-stage pumps with means for changing the flow-path through the stages, e.g. series/parallel |
|
F04D 17/16
|
Centrifugal pumps for displacing without appreciable compression |
|
F04D 17/18
|
Centrifugal pumps characterised by use of centrifugal force of liquids entrained in pumps |
|
F04D 19/00
|
Axial-flow pumps specially adapted for elastic fluids |
|
F04D 19/02
|
Multi-stage pumps |
|
F04D 19/04
|
Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps |
|
F04D 21/00
|
Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids |
|
F04D 23/00
|
Other rotary non-positive-displacement pumps specially adapted for elastic fluids |
|
F04D 25/00
|
Pumping installations or systems specially adapted for elastic fluids |
|
F04D 25/02
|
Units comprising pumps and their driving means |
|
F04D 25/04
|
Units comprising pumps and their driving means the pump being fluid-driven |
|
F04D 25/06
|
Units comprising pumps and their driving means the pump being electrically driven |
|
F04D 25/08
|
Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation |
|
F04D 25/10
|
Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air |
|
F04D 25/12
|
Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures |
|
F04D 25/14
|
Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use |
|
F04D 25/16
|
Combinations of two or more pumps |
|
F04D 27/00
|
Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids |
|
F04D 27/02
|
Surge control |
|
F04D 29/00
|
NON-POSITIVE-DISPLACEMENT PUMPS - Details, component parts, or accessories |
|
F04D 29/02
|
Selection of particular materials |
|
F04D 29/04
|
Shafts or bearings, or assemblies thereof |
|
F04D 29/05
|
Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps |
|
F04D 29/06
|
Lubrication |
|
F04D 29/08
|
Sealings |
|
F04D 29/10
|
Shaft sealings |
|
F04D 29/12
|
Shaft sealings using sealing-rings |
|
F04D 29/14
|
Shaft sealings operative only when pump is inoperative |
|
F04D 29/16
|
Sealings between pressure and suction sides |
|
F04D 29/18
|
Rotors |
|
F04D 29/20
|
Mounting rotors on shafts |
|
F04D 29/22
|
Rotors specially for centrifugal pumps |
|
F04D 29/24
|
Vanes |
|
F04D 29/26
|
Rotors specially adapted for elastic fluids |
|
F04D 29/28
|
Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps |
|
F04D 29/30
|
Vanes |
|
F04D 29/32
|
Rotors specially adapted for elastic fluids for axial-flow pumps |
|
F04D 29/34
|
Blade mountings |
|
F04D 29/36
|
Blade mountings adjustable |
|
F04D 29/38
|
Blades |
|
F04D 29/40
|
Casings; Connections for working fluid |
|
F04D 29/041
|
Axial thrust balancing |
|
F04D 29/42
|
Casings; Connections for working fluid for radial or helico-centrifugal pumps |
|
F04D 29/043
|
Shafts |
|
F04D 29/44
|
Fluid-guiding means, e.g. diffusers |
|
F04D 29/46
|
Fluid-guiding means, e.g. diffusers adjustable |
|
F04D 29/047
|
Bearings hydrodynamic |
|
F04D 29/48
|
Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps |
|
F04D 29/049
|
Roller bearings |
|
F04D 29/50
|
Fluid-guiding means, e.g. diffusers adjustable for reversing fluid flow |
|
F04D 29/051
|
Axial thrust balancing |
|
F04D 29/52
|
Casings; Connections for working fluid for axial pumps |
|
F04D 29/053
|
Shafts |
|
F04D 29/54
|
Fluid-guiding means, e.g. diffusers |
|
F04D 29/56
|
Fluid-guiding means, e.g. diffusers adjustable |
|
F04D 29/057
|
Bearings hydrodynamic |
|
F04D 29/58
|
Cooling; Heating; Diminishing heat transfer |
|
F04D 29/059
|
Roller bearings |
|
F04D 29/60
|
Mounting; Assembling; Disassembling |
|
F04D 29/62
|
Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps |
|
F04D 29/063
|
Lubrication specially adapted for elastic fluid pumps |
|
F04D 29/64
|
Mounting; Assembling; Disassembling of axial pumps |
|
F04D 29/66
|
Combating cavitation, whirls, noise, vibration, or the like; Balancing |
|
F04D 29/68
|
Combating cavitation, whirls, noise, vibration, or the like; Balancing by influencing boundary layers |
|
F04D 29/70
|
Suction grids; Strainers; Dust separation; Cleaning |
|
F04D 31/00
|
Pumping liquids and elastic fluids at the same time |
|
F04D 33/00
|
Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type |
|
F04D 35/00
|
Pumps producing waves in liquids, i.e. wave-producers |
