| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 03/18/1980 | US4193747 Reversing pump eccentric member |
| 03/18/1980 | US4193745 Gear pump with means for dispersing gas into liquid |
| 03/18/1980 | CA1073742A1 Gerotor gearset device |
| 03/18/1980 | CA1073741A1 Fluid-cooled, scroll-type, positive fluid displacement apparatus |
| 03/05/1980 | EP0008531A1 Rotary machine |
| 02/12/1980 | US4188131 Self-scraping mixers |
| 02/07/1980 | WO1980000174A1 Gear pump having fluid deaeration capability |
| 02/05/1980 | US4187061 Rotary helical fluid motor with deformable sleeve for deep drilling tool |
| 02/05/1980 | CA1071024A1 Power transmission |
| 02/05/1980 | CA1071023A1 Fluid pressure device |
| 01/29/1980 | US4185839 Packing gland for pump shaft seal |
| 01/22/1980 | US4184820 Internal gear device with balancing recesses in the insert member |
| 01/22/1980 | US4184808 Fluid driven pump |
| 01/22/1980 | CA1070169A1 Fluid actuated device |
| 01/22/1980 | CA1070133A1 Coupling member for orbiting machinery |
| 12/18/1979 | CA1068162A1 Seal for hydraulic pumps and motors |
| 12/11/1979 | US4178143 Relative orbiting motion by synchronoously rotating scroll impellers |
| 12/04/1979 | US4177025 High-pressure rotary fluid-displacing machine |
| 10/23/1979 | US4171939 Arrangement for mounting a gear on a shaft |
| 10/23/1979 | US4171938 Fluid pressure operated pump or motor |
| 10/09/1979 | US4170438 Fluid pump with a continuously variable speed converter |
| 09/19/1979 | EP0004181A1 Shaft coupling |
| 09/19/1979 | EP0004120A2 Gear-type machine with relief means for the liquid in the interengagement space between the teeth |
| 09/19/1979 | EP0004119A2 Gear-type machine with toothed wheels circumferentially staggered with respect to each other |
| 09/04/1979 | CA1061643A1 Pump, especially for conveying construction materials |
| 08/28/1979 | CA1061184A1 Hydraulic wheel ii |
| 08/28/1979 | CA1061183A1 Rotary gear pump |
| 08/22/1979 | EP0003676A1 Helical gear pumps, compressors or motors |
| 08/21/1979 | US4165209 External axle rotary piston machine |
| 08/21/1979 | US4165206 Three gear pump with module construction |
| 08/21/1979 | CA1060709A2 Fluid driven motor having improved blade construction |
| 07/31/1979 | US4162854 Multi-shaft screw extruder |
| 07/17/1979 | US4161372 Internal-gear fluid-displacement machine with movable separating body |
| 07/10/1979 | US4160630 Gear pumps with low pressure shaft lubrication |
| 07/10/1979 | US4160629 Liquid immersible scroll pump |
| 06/26/1979 | CA1057122A1 Rotary piston engine |
| 06/26/1979 | CA1057120A1 Versatile fluid motor and pump |
| 06/19/1979 | CA1056648A1 Rotor-stator gear set |
| 05/29/1979 | US4156585 Gerotor device with porting through eccentric drive |
| 05/29/1979 | CA1055311A1 Rotary machine |
| 05/29/1979 | CA1055217A1 Multi-shaft screw extruders and an improved method of building up pressure |
| 05/22/1979 | US4155686 Hydrostatic intermeshing gear machine with substantially trochoidal tooth profile and one contact zone |
| 05/01/1979 | CA1053508A1 Vanes for fluid power converter |
| 04/10/1979 | CA1052180A1 Gear pump or motor |
| 04/03/1979 | CA1051844A1 Scroll member and scroll-type apparatus incorporating the same |
| 04/03/1979 | CA1051843A1 Axial compliance means with radial sealing for scroll-type apparatus |
| 03/27/1979 | CA1051266A1 Rotary fluid displacement device |
| 03/27/1979 | CA1051265A1 Support means for floating rotary ring member |
| 03/20/1979 | US4145167 Gerotor machine with pressure balancing recesses in inner gear |
| 03/13/1979 | US4144001 Eccentric worm pump with annular wearing elements |
| 02/20/1979 | US4140444 Flexible shaft assembly for progressing cavity pump |
| 02/13/1979 | US4139335 Rotary fluid displacing apparatus operable as pump or motor |
| 02/13/1979 | CA1048344A1 Hydraulic device |
| 02/06/1979 | US4138204 Gear pump |
| 01/30/1979 | US4137019 Rotary piston machine |
| 01/30/1979 | CA1047314A1 Rotary sliding vane pump |
| 01/30/1979 | CA1047313A1 Rotary fluid motor |
| 01/16/1979 | CA1046343A1 Gear pump |
| 01/09/1979 | US4133617 Vane type pump with optional high rate of flow or high pressure characteristics |
| 01/02/1979 | US4132515 Crescent gear pump or motor having bearing means for supporting the ring gear |
| 01/02/1979 | US4132514 High pressure hydraulic gear pump or motor |
| 12/26/1978 | US4131400 Hydraulic rotary screw machine with axial balancing piston |
| 12/26/1978 | CA1045095A1 Rotary vane compressor with vane extension means |
| 12/19/1978 | US4130383 Apparatus for noise suppression in a gear pump |
| 12/19/1978 | CA1044514A1 Rotary gear machine with adjustable distributing valve |
| 12/12/1978 | US4129405 Scroll-type liquid pump with transfer passages in end plate |
| 12/05/1978 | CA1043753A1 Positive displacement machine for compressible media |
| 11/28/1978 | US4127368 Rotor for eccentric helical gear pump |
| 11/28/1978 | US4127365 Gear pump with suction shoe at gear mesh point |
| 11/21/1978 | CA1042718A1 Hydraulic motor or pump |
| 11/07/1978 | CA1041835A1 Axial thrust adjustment for dual screw-type pump |
| 10/31/1978 | US4123205 Rotary vane pump with sealing means |
| 10/24/1978 | US4121438 Coupling member for orbiting machinery |
| 10/17/1978 | CA1040510A1 Hydraulic motor brake |
| 09/26/1978 | CA1039110A1 Inlet and outlet ports and sealing means for a fluid driven motor |
| 08/15/1978 | US4106883 Distributing valve on a hydraulic rotary piston engine |
| 08/15/1978 | US4106361 Gear pump, gear and method |
| 08/08/1978 | US4105377 Hydraulic roller motor |
| 08/01/1978 | US4104009 Screw pump stators |
| 08/01/1978 | US4103506 Method and arrangement for controlling the operation of a cooling system in an automotive vehicle |
| 07/25/1978 | US4102614 Machines for generating motion |
| 06/27/1978 | US4097206 Gear pump or motor with bypass throttle passage to prevent cavitation |
| 06/27/1978 | US4097205 Orbital pump with inlet and outlet through the rotor |
| 06/06/1978 | US4093407 Injection of additives into liquid streams |
| 05/23/1978 | US4090820 Gear pump with low pressure shaft lubrication |
| 05/09/1978 | USRE29626 Positive displacement rotary pump and drive coupling therefor |
| 05/02/1978 | US4087216 Flow diverter pressure plate |
| 05/02/1978 | US4087215 Gerotor gearset device |
| 04/25/1978 | US4086039 Orbital machine with cooperating lobe and recess guide means |
| 04/18/1978 | US4084926 Rotary gear pump |
| 04/04/1978 | US4082480 Fluid pressure device and improved Geroler® for use therein |
| 03/21/1978 | US4080123 Rotary liquid pump with spaced drive shaft connection means |
| 03/21/1978 | US4080117 Multi-chambered pump |
| 03/14/1978 | US4078653 Rotary piston conveyor with a minimum of two rotors |
| 03/14/1978 | US4078526 Rotary piston engine |
| 03/07/1978 | US4077751 End housing clamps for rotary mechanisms |
| 02/28/1978 | US4076466 Fluid pump for use in explosive bore holes |
| 02/28/1978 | US4076462 Combined distributor and bypass valve for fluid actuated pump or motor |
| 02/14/1978 | US4073608 Positive displacement vane type rotary pump |
| 02/14/1978 | US4073605 Rotary pump construction with cleaning feature |