| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
|---|
| 08/02/1977 | USRE29333 Hydraulic apparatus for regulating the flow of one or more pumps |
| 07/26/1977 | US4037993 Control system for variable displacement compressor |
| 07/26/1977 | US4037574 Timing control for fuel injection pump |
| 07/26/1977 | US4037521 Noise reduction |
| 07/12/1977 | US4035106 Control devices for reversible flow variable capacity hydraulic machines |
| 07/12/1977 | US4034653 Axial piston motor |
| 07/12/1977 | US4034652 Method and valve face configuration for reducing noise in a hydraulic pump |
| 07/12/1977 | US4034564 Piston pump assembly having load responsive controls |
| 07/05/1977 | US4033239 Radial piston machine |
| 07/05/1977 | US4033238 Axial piston machine with a tiltable, revolving cylinder drum |
| 07/05/1977 | US4033237 Hydrostatic piston machine having small clearances between bearing surfaces |
| 06/28/1977 | US4032263 Pump with coaxial inlet and outlet valve arrangement |
| 06/21/1977 | US4030405 Radial piston machine |
| 06/14/1977 | US4029439 Control system for variable displacement pumps |
| 06/14/1977 | US4029367 Bearing supporting a swashplate of a hydraulic axial cylinder machine |
| 06/14/1977 | US4028890 Piston pump assembly utilizing load pressure control |
| 06/07/1977 | US4028018 Non-pulsing apparatus |
| 06/07/1977 | US4028010 Reversible, variable-displacement piston pump with positioner means for automatic return to zero displacement |
| 06/07/1977 | US4027785 Dual pump colorant dispenser |
| 05/31/1977 | US4026196 Device for driving a pump piston |
| 05/31/1977 | US4026195 Axial piston machine of adjustable stroke |
| 05/24/1977 | US4025238 Apparatus for eliminating the effects of cavitation in a main pump |
| 05/24/1977 | US4024799 Axial-piston machine with improved bearing arrangement |
| 05/17/1977 | US4023536 Method of controlling the timing of ignition in an internal combustion engine |
| 05/03/1977 | US4020760 Printing ink metering pump |
| 04/26/1977 | US4019425 Piston pump with floating port plate providing variable force balance for hydrostatic balance |
| 04/19/1977 | US4018139 Rotary hydraulic machine |
| 04/12/1977 | US4017220 Reversible pump with positive valving |
| 04/12/1977 | US4017219 Control system for variable displacement pumps |
| 03/29/1977 | US4014628 Supercharged three-section pump |
| 03/22/1977 | US4013381 Pump control assembly having adjustable biasing means |
| 03/22/1977 | US4012994 Axial bearing device for the cylinder barrel in an axial piston machine |
| 03/15/1977 | US4011796 Radial hydraulic pump or motor with improved pistons and slippers |
| 02/15/1977 | US4008004 Control system for variable displacement pumps |
| 02/15/1977 | US4007663 Hydraulic pump of the axial piston type |
| 02/15/1977 | US4007662 Axial piston machine of oblique-axle construction with tiltable cylinder drum |
| 02/08/1977 | US4006668 Hydrostatic piston machine having a cylindrical mounting pin |
| 01/25/1977 | US4004863 Hydraulic pump with remote control equipment |
| 01/25/1977 | US4004419 Apparatus for converting a hydraulic pressure signal to a mechanical motion |
| 12/28/1976 | US3999895 Rotating barrel pump |
| 12/28/1976 | US3999892 Interconnected pump control means of a plurality of pumps |
| 12/28/1976 | US3999468 Piston for hydraulic translating unit |
| 12/28/1976 | US3999466 Hydrostatic pump/motor unit |
| 12/21/1976 | US3998133 Radial type hydraulic pump motor |
| 12/21/1976 | US3998130 Pressure driven motor |
| 12/14/1976 | US3996841 Hydraulic pump or motor |
| 12/07/1976 | US3995974 Internal combustion assisted hydraulic engine |
| 11/30/1976 | US3994208 Piston for high-pressure hydraulic machine |
| 11/16/1976 | US3992133 Pressure fluid pump |
| 11/16/1976 | US3992132 Energy conversion system |
| 11/16/1976 | US3992131 Low speed pump |
| 11/16/1976 | US3991658 Fluid device having sintered metal components |
| 11/02/1976 | US3989993 Drive and control mechanism for electrically operated reciprocating apparatus |
| 11/02/1976 | US3989417 Apparatus for converting solar energy into mechanical energy |
| 10/26/1976 | US3987707 Multiple-unit pump |
| 10/26/1976 | US3987622 Load controlled fluid system having parallel work elements |
| 10/19/1976 | US3986439 Piston and slipper arrangement for hydraulic pump or motor |
| 10/12/1976 | US3985472 Combined fixed and variable displacement pump system |
| 10/12/1976 | US3985469 Output control device for a hydraulic pump of the variable displacement type |
| 10/12/1976 | US3985065 Radial piston machine |
| 10/12/1976 | US3984904 Internal retaining tabs for a filled piston |
| 09/28/1976 | US3982855 Radial piston pump |
| 09/28/1976 | US3982843 Piston-sleeve coupling arrangements for a radial piston pump |
| 09/28/1976 | US3982663 Method and apparatus for metering thixotropic battery paste |
| 09/28/1976 | US3982470 Control system for axial piston fluid energy translating device |
| 09/21/1976 | US3981645 Displaced piston machine |
| 09/21/1976 | US3981630 Hydraulic swash plate pumps |
| 09/14/1976 | US3980003 Variable hydrostatic bearing between barrel and head of axial piston units |
| 09/07/1976 | US3978772 Piston shoe for fluid pressure pump motor |
| 08/31/1976 | US3977443 Method of and apparatus for controlling pumps in looms with jet weft insertion |
| 08/24/1976 | US3976400 Gradient pump apparatus |
| 08/24/1976 | US3975910 Variable volume liquid pumping system |
| 08/17/1976 | US3974715 Null and gain adjustment mechanism for hydrostatic pumps and motors |
| 07/20/1976 | US3969986 Radial piston pump |
| 07/13/1976 | US3969038 Pressure regulator for an adjustable pump |
| 07/13/1976 | US3968736 Radial fluid-pressure apparatus |
| 07/13/1976 | US3968734 Hydrostatic piston machine |
| 07/06/1976 | US3967634 Flow ratio control system |
| 07/06/1976 | US3967542 Hydraulic intensifier |
| 07/06/1976 | US3967541 Control system for axial piston fluid energy translating device |
| 07/06/1976 | US3967540 Rotor, pistons, piston shoes and associated means in fluid handling devices |
| 06/29/1976 | US3966364 Piston pump |
| 06/29/1976 | US3965758 Controllable pumps |
| 06/08/1976 | US3961563 Axial piston machine of the type having a tiltable cylinder block |
| 06/08/1976 | US3961562 Multiple pump assembly |
| 06/01/1976 | US3960060 Pressure responsive control body arrangement |
| 06/01/1976 | US3960057 Hydraulic pump or motor |
| 06/01/1976 | US3959967 Reciprocating apparatus particularly for pump unit |
| 05/25/1976 | US3958901 Axial piston pump |
| 05/25/1976 | US3958898 Pump control systems |
| 05/25/1976 | US3958496 Control device for hydraulic machines |
| 05/18/1976 | US3957397 Conversion of wind energy to mechanical energy |
| 05/18/1976 | US3956969 Hydrostatic pump including separate noise reducing valve assemblies for its inlet and outlet pressure ports |
| 05/11/1976 | US3955477 Hydrostatic piston machine having a guide for laterally guiding a cylinder block pintle |
| 05/11/1976 | US3955476 Radial piston-type pump |
| 05/04/1976 | US3954353 Axial piston pump |
| 05/04/1976 | US3954048 High pressure actuator |
| 04/27/1976 | US3953154 Pressure control and unloader valve |
| 04/20/1976 | US3951574 Reciprocating plunger type pump with stroke adjustment means |
| 04/20/1976 | US3951047 Radial piston machine with piston shoes |