| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 01/07/1987 | CN86103246A 液压马达 Hydraulic motor |
| 12/31/1986 | CN86103611A Rotary fluid pressure device having free-wheeling capability |
| 12/31/1986 | CN85105021A Swashplate type axial-piston pump |
| 12/17/1986 | EP0205368A1 Hydraulic mechanism, engine or pump with rollers mounted on the pistons and with means for keeping these rollers in position |
| 12/17/1986 | EP0204835A1 Hydraulic swashplate unit with unitary bearing retainer. |
| 12/09/1986 | US4627330 Unitary bearing retainer for a swashplate bearing |
| 12/09/1986 | US4627329 Power drive unit and control system therefor |
| 12/03/1986 | EP0203071A1 Hydrostatic diagonal piston pump or diagonal piston engine. |
| 11/20/1986 | WO1986006787A1 Hydraulic motor |
| 11/18/1986 | US4622885 Hydrostatic piston pump or engine having diagonal piston axis |
| 10/29/1986 | CN85103508A Hydraulic pressure motor and pump of fixed type ball-and-ream structure |
| 10/21/1986 | CA1212864A1 Hydraulic machines |
| 10/07/1986 | US4615257 Swashplate type axial-piston pump |
| 10/07/1986 | CA1212313A1 Hydraulic well pump |
| 09/25/1986 | WO1986005554A1 Hydraulic motor |
| 09/23/1986 | US4613292 Hydraulic motor having free-wheeling and locking modes of operation |
| 09/16/1986 | US4611529 In a fluid pressure energy translating device |
| 09/02/1986 | US4609128 Volumetric measuring-dosing device for fluids |
| 08/27/1986 | EP0192580A1 Intensifier of liquid pressure |
| 08/14/1986 | WO1986004638A1 Rotary motion fluid apparatus |
| 08/13/1986 | EP0190845A2 Hydraulic motor having free-wheeling and locking modes of operation |
| 08/06/1986 | EP0189786A2 Axial-piston machine |
| 07/29/1986 | US4602554 Axial piston machine, more particularly axial piston pump of the inclined disc or skew axis type |
| 07/23/1986 | EP0187885A1 Liquid pump with a hydromotor |
| 07/08/1986 | US4599058 Vane slots for a fluid power converter |
| 07/08/1986 | US4598628 Rotary hydraulic engine having oppositely disposed pistons in a scotch yoke assembly |
| 07/08/1986 | US4598627 Fluid motors |
| 07/08/1986 | CA1207112A1 Fluid pressure operated reciprocating mechanism |
| 07/02/1986 | CN85102574A Connecting rod oil motor of static balance and energy recovery type |
| 06/25/1986 | EP0185056A1 Rotary hydraulic engine |
| 06/19/1986 | WO1986003547A1 Unitary bearing retainer for a swashplate bearing |
| 06/11/1986 | EP0183749A1 Controllable motor with axial pistons |
| 06/11/1986 | CN85201143U Axial flow distributed mechanism for hydraulic pressure transmission device |
| 05/14/1986 | EP0180912A2 Fluidic radial piston machine |
| 05/13/1986 | CA1204387A1 Method and apparatus for reducing operating noise in axial piston pumps and motors |
| 05/10/1986 | CN85101345A Crankshaft-type axial piston pump or motor |
| 05/06/1986 | CA1204004A1 Tool, particularly a boring tool |
| 04/16/1986 | CN85202466U Model zb port mating parts for hydraulic pump which is durable and efficient |
| 04/15/1986 | US4581895 Hydrostatic transaxle assembly |
| 04/02/1986 | EP0176467A2 Fluid-driven reciprocating motor |
| 04/01/1986 | US4579043 Hydrostatic machine with fixed or variable displacement |
| 03/26/1986 | EP0175206A1 Fluid machine |
| 03/18/1986 | US4576242 Peristaltic down-hole drilling motor |
| 03/18/1986 | CA1201935A1 Rotary hydrostatic radial piston machines |
| 03/12/1986 | CN85202048U Combined pintle for distributtng flowing liquid used in hydraulic machine |
| 03/11/1986 | CA1201642A1 Motor suspension apparatus for hydromotors |
| 03/05/1986 | EP0173049A2 Improved vane slots for a fluid power converter |
| 03/04/1986 | CA1201307A1 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio |
| 02/26/1986 | EP0172780A2 Fluid operated pump |
| 02/25/1986 | US4571939 Hydraulic well pump |
| 02/19/1986 | EP0172076A1 Metering-dosing device for fluids |
| 02/13/1986 | WO1986000956A1 Power drive unit and control system therefor |
| 02/12/1986 | EP0171182A1 Variable capacity roller- and vane-type pumps |
| 02/11/1986 | US4569644 Low speed high torque motor with gear reduction |
| 01/21/1986 | US4565117 Axial piston motors having a friction brake |
| 01/16/1986 | WO1986000377A1 Axial-piston oscillating-plate hydraulic pump |
| 01/16/1986 | WO1986000376A1 Controllable motor with axial pistons |
| 01/15/1986 | EP0168040A2 Axial piston pump or motor |
| 01/08/1986 | EP0167043A1 Hydrostatic wheel drive |
| 12/10/1985 | US4557338 Tool, particularly a boring tool |
| 12/05/1985 | WO1985005402A1 Rotary hydraulic engine |
| 11/27/1985 | EP0162238A1 Axial piston machine, especially a pump of the inclined plate type |
| 11/19/1985 | CA1196823A1 Combined fluid pressure actuated fuel and oil pump |
| 11/07/1985 | WO1985004929A1 Motor |
| 11/05/1985 | US4550785 Hydraulic drive for actuating a tool |
| 10/29/1985 | US4549640 Operation system for hoisting device |
| 10/22/1985 | US4548124 Radial piston hydraulic motor with variable eccentricity |
| 10/15/1985 | US4546692 Radial bearing for drive plate of inclined-axis type axial piston machine |
| 10/01/1985 | US4543876 Axial piston machine having adjustable hydrostatically supported swashplate |
| 09/17/1985 | US4541791 Vaned hydraulic system |
| 09/04/1985 | EP0153766A1 Toroidal motor/pump |
| 08/28/1985 | EP0152509A1 Radial piston hydraulic motor with variable eccentricity |
| 08/20/1985 | US4535517 Method for producing a connecting rod for a radial piston motor |
| 08/15/1985 | WO1985003554A1 Design for a new type of hydrostatic piston pump or piston engine known as a diagonal piston pump or diagonal piston engine |
| 08/06/1985 | US4532854 Selectively operative multi-displacement pump or motor |
| 07/31/1985 | EP0150042A2 Power device for command and regulation apparatuses |
| 07/17/1985 | EP0148589A2 Low speed high torque motor with gear reduction |
| 06/25/1985 | CA1189387A1 Mud pump drive |
| 06/11/1985 | US4522110 Hydraulic radial piston motor |
| 05/14/1985 | US4516473 Cylinder driving system |
| 05/07/1985 | US4515067 Adjustable axial piston machines |
| 05/07/1985 | CA1186592A1 Hydraulic reciprocating device |
| 04/23/1985 | US4512417 For a downhole drill |
| 04/16/1985 | US4510845 Pressure-medium-driven linear driving arrangement |
| 04/02/1985 | US4508010 Hydraulic motor |
| 03/12/1985 | US4503928 Hydraulic motor and hydrostatic power transmission using such motor |
| 03/12/1985 | US4503751 Digital fluid stepping motor |
| 02/05/1985 | US4498032 High torque digital stepping motor and control |
| 01/08/1985 | CA1180635A1 Hydraulic motor |
| 01/01/1985 | US4491055 Control of continuous reciprocation of a fluid power cylinder |
| 12/27/1984 | CA1179920A Control of continuous reciprocation of a fluid power cylinder |
| 12/25/1984 | US4489642 Method and apparatus for reducing operating noise in axial piston pumps and motors |
| 12/12/1984 | EP0128104A1 Power transmission mechanism |
| 12/11/1984 | US4487559 Hydraulic machine with retractable partitions and variable cubic capacity |
| 12/11/1984 | US4487109 Electro-hydraulic control system for a power drive unit |
| 11/21/1984 | EP0125663A1 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio |
| 11/13/1984 | US4481867 Axial plunger pump or motor |
| 11/13/1984 | US4481812 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio |
| 11/07/1984 | EP0124299A2 Hydraulic gerotor motor and parking brake for use therein |
| 11/06/1984 | US4480971 In a rotary fluid pressure device |