| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
|---|
| 01/07/1981 | EP0021315A1 Piston machine, particularly piston pump |
| 01/07/1981 | EP0020654A1 Radial piston type hydrostatic machine |
| 12/30/1980 | US4242063 High pressure multi-cylinder pump |
| 12/30/1980 | US4242062 Dual piston pump with pressure seal lubrication feature |
| 12/30/1980 | US4242053 Free piston fluid energy transfer device |
| 12/24/1980 | WO1980002869A1 Circulation pump for liquid and/or gas medium |
| 12/10/1980 | EP0019633A1 Axial piston pumps |
| 12/09/1980 | US4237774 Displacement control valving for a radial piston device |
| 11/25/1980 | US4235116 Balanced variable wobble plate drive |
| 11/13/1980 | WO1980002438A1 Parallel cylinder internal combustion engine |
| 11/11/1980 | US4232587 Fluid pump |
| 11/11/1980 | CA1089295A2 High pressure multi-cylinder pump |
| 11/04/1980 | CA1088810A1 Power converting devices |
| 10/29/1980 | EP0018265A1 Machine, such as pump, of which at least some moving parts are in contact with sea-water |
| 10/29/1980 | EP0018128A1 Reverse osmosis method and apparatus |
| 10/21/1980 | US4229144 Feedback shaft extending between swashplate and displacement control valve |
| 10/16/1980 | WO1980002175A1 Fluid pressure machines |
| 10/15/1980 | EP0017552A1 Pump with pistons and cylinders in axial arrangement |
| 10/14/1980 | US4227864 Pump for liquids |
| 10/14/1980 | CA1087454A1 Rotary fluid energy translating device |
| 09/30/1980 | US4224859 Axial piston machine |
| 09/23/1980 | US4223593 Hydraulic motor |
| 09/16/1980 | US4222714 Radial piston pump |
| 09/09/1980 | US4221550 Fluid pump |
| 09/09/1980 | CA1085246A1 Motor driven rotary fuel pump |
| 09/04/1980 | WO1980001822A1 Axial piston pump |
| 09/03/1980 | EP0015127A1 Fluid motor-pump assembly |
| 08/26/1980 | US4218895 Composite drive shafts |
| 08/12/1980 | US4216704 Piston for a hydrostatic axial-piston machine |
| 08/12/1980 | US4216699 Electrohydraulic control for an axial piston pump |
| 08/12/1980 | CA1083420A1 Machine of the axial piston pump type which can be used as a pump or as a motor |
| 08/05/1980 | US4215624 Axial piston hydraulic pumps or motors with improved valving |
| 07/08/1980 | US4211079 Positive neutral control for hydrostatic transmission |
| 06/26/1980 | WO1980001302A1 Radial piston type hydrostatic machine |
| 06/10/1980 | US4206690 Pivot portion of a piston shoe in radial pistol devices |
| 06/10/1980 | CA1079237A1 Mechanically operated dispensing device with means for increasing discharge pressure and dispensing time |
| 06/03/1980 | US4205590 Positive feedback mechanism for servocontroller of fluid operated actuator |
| 05/28/1980 | EP0011145A1 Sliding shoe for hydrostatic piston machines |
| 05/13/1980 | US4202252 Throughput-adjustable fluid-displacement machine |
| 05/06/1980 | CA1076883A1 Variable displacement piston pump |
| 04/30/1980 | EP0010268A1 Pump, particularly lubrication pump, with rotating cylinder and piston |
| 04/29/1980 | CA1076417A1 Horsepower limiter control for a variable displacement pump |
| 04/22/1980 | US4199303 Feeder for apparatus for ejecting a mixture of a plurality of liquids |
| 04/22/1980 | US4198899 Axial-piston machine of variable output having a slide for displaying the cylinder drum |
| 04/15/1980 | US4197705 Hydraulic control system |
| 04/08/1980 | CA1075080A1 Radial piston type hydraulic pump-motor |
| 04/01/1980 | US4195970 Piston pump with planetary gear drive |
| 03/25/1980 | CA1074182A1 Radial piston pump or motor |
| 03/11/1980 | USRE30226 Torque limiting control |
| 03/04/1980 | CA1072817A1 Pilot operated pressure compensated pump control |
| 02/19/1980 | CA1071972A2 Drive controlling mechanism |
| 02/05/1980 | US4187173 Reverse osmosis method and apparatus |
| 02/05/1980 | CA1071162A1 Method and apparatus for packaging fluent material |
| 01/24/1980 | WO1980000096A1 Axial-type rotary piston pump |
| 01/22/1980 | US4184807 Reversible hydraulic engine |
| 01/15/1980 | CA1069762A1 Thrust rings for swash plate pumps and motors |
| 01/08/1980 | US4182365 Control valve for use with variable displacement piston pump |
| 12/11/1979 | US4178135 Variable capacity compressor |
| 12/04/1979 | US4176764 Mechanically operated mixing dispenser having a plurality of expansible chambers and a plurality of accumulating chambers |
| 12/04/1979 | CA1067468A1 Variable displacement compressor |
| 12/04/1979 | CA1067343A1 Multi-plunger reciprocating pump |
| 11/28/1979 | EP0005566A1 Balanced variable displacement drive |
| 11/27/1979 | US4175915 Drive shaft lug for variable displacement compressor |
| 11/27/1979 | US4175914 Hydraulic stop |
| 11/27/1979 | US4175472 Rotary hydraulic machine |
| 11/27/1979 | CA1066950A1 Power steering pump |
| 11/14/1979 | EP0005190A1 Radial piston pump |
| 11/06/1979 | US4173437 Dual-piston reciprocating pump assembly |
| 11/06/1979 | US4173435 Plunger pump |
| 11/06/1979 | CA1065705A1 Timing control for fuel injection pump |
| 10/16/1979 | CA1064339A1 Pneumatically operated oscillator |
| 10/09/1979 | US4170440 Feeder for apparatus for ejecting urethane foam formed by the mixture of resin and isocyanate with flushing liquid |
| 10/02/1979 | CA1063565A1 Feeder for apparatus for ejecting a mixture of a plurality of liquids |
| 09/18/1979 | US4167941 Mechanically operated dispensing device for increasing discharge pressure and dispensing time |
| 09/18/1979 | US4167895 Axial pump with displacement control device |
| 09/04/1979 | US4166398 Multi-cylinder machines |
| 09/04/1979 | CA1061681A2 Drive controlling mechanism |
| 08/28/1979 | US4165677 Radial piston hydraulic pump or motor with stabilized pintle shaft |
| 08/28/1979 | CA1061182A1 Piston pump |
| 08/21/1979 | CA1060707A1 Control system for variable displacement pumps |
| 08/14/1979 | US4164169 Axial-piston machine having a cylinder drum and a reversing device |
| 08/14/1979 | CA1060264A1 Piston and slipper arrangement for hydraulic pump or motor |
| 07/31/1979 | CA1059371A1 Centrifugal fluid pump |
| 07/31/1979 | CA1059370A1 Control system for variable displacement pumps |
| 07/31/1979 | CA1059369A1 Control system for variable displacement pumps |
| 07/24/1979 | US4161906 Radial pistion pump or motor having improved porting |
| 07/24/1979 | CA1058963A1 Radial piston pump |
| 07/10/1979 | US4160628 Positive displacement machine |
| 07/10/1979 | US4160403 Variable delivery hydraulic equipment |
| 07/10/1979 | CA1058013A1 Valving for dual radial piston motor |
| 06/19/1979 | CA1056647A1 Control system for axial piston fluid energy translating device |
| 06/12/1979 | CA1056263A1 Variable delivery hydraulic equipment |
| 06/12/1979 | CA1056209A1 Axial piston pump |
| 06/05/1979 | US4157056 Multi-cylinder hydraulic mechanism |
| 05/22/1979 | CA1054854A1 Bent axis pumps and motors |
| 05/22/1979 | CA1054853A1 Bellows pump and pumping plant for oil-filled electric cables |
| 05/15/1979 | US4154368 Feeder for apparatus for ejecting a mixture of a plurality of liquids, with heated hoses |
| 05/08/1979 | US4153391 Triple discharge pump |
| 05/08/1979 | CA1053972A1 Axial piston pump |
| 05/08/1979 | CA1053971A1 Motorized reduction drive |