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