Patents for F03C 2 - Rotary-piston engines (2,448)
08/1987
08/05/1987CN86100403A Rotative piston type hydraulic motor
07/1987
07/07/1987CA1223747A1 Multi-groove and spline connection and method
06/1987
06/17/1987CN86204876U High-pressure gear pump (or motor) with combined dynamic-static pressure bearing
06/16/1987US4673341 Variable capacity roller- and vane-type pumps with non-circular cam profile
06/03/1987EP0223788A1 Hydraulic motor
06/03/1987CN85109203A Radial-movable variable-displacement gear pump (motor)
06/03/1987CN85109201A Radial balance hydraulic pump with non-conventional kinetic and static pressure bearing (motor)
05/1987
05/19/1987US4666382 Hydrostatic gear ring machine
05/05/1987US4662046 Power transmission
04/1987
04/21/1987US4659297 Variable capacity vane motor having rotatable and stationary cam rings
04/15/1987CN85109102A The reverse mechanism of the hydraulic machinery
04/08/1987EP0217422A2 Gerotor motor and improved lubrication flow circuit therefor
04/07/1987CA1220085A1 Power transmission
03/1987
03/25/1987CN85109202A Radial-balance gear pump (motor) using the teeth top as support
03/19/1987DE3626342A1 Device for the sealing of a vane-type motor
01/1987
01/27/1987US4639203 Rotary fluid pressure device having free-wheeling capability
01/27/1987US4639202 Gerotor device with dual valving plates
01/27/1987CA1217089A1 Rotary gerotor hydraulic device with fluid control passageways through the rotor
01/20/1987US4637787 Hydraulic screw machine
01/13/1987US4636155 Hydraulic seal having U-shaped gasket and a plurality of plastically deformable posts
01/07/1987EP0207687A1 Rotary fluid pressure device having free-wheeling capability
01/07/1987CN86103246A 液压马达 Hydraulic motor
12/1986
12/31/1986CN86103611A Rotary fluid pressure device having free-wheeling capability
12/31/1986CN85204823U Revolving-block sliding-vane pump
12/10/1986CN85103606A Large internally tangent arc unloading vane-type pumpmotor
12/10/1986CN85103605A High rigidty and radially precislon balanced gear pump motor
11/1986
11/20/1986WO1986006787A1 Hydraulic motor
09/1986
09/23/1986US4613292 Hydraulic motor having free-wheeling and locking modes of operation
08/1986
08/19/1986US4606713 Rotary positive-displacement fluid-pressure machines
08/14/1986WO1986004638A1 Rotary motion fluid apparatus
08/13/1986EP0190845A2 Hydraulic motor having free-wheeling and locking modes of operation
07/1986
07/15/1986US4600318 Thrust bearing and seal assembly
07/08/1986US4599058 Vane slots for a fluid power converter
07/08/1986US4599057 Rotary blade machine with blade end sealing
05/1986
05/06/1986US4586885 Compact high torque hydraulic motors
05/06/1986CA1204004A1 Tool, particularly a boring tool
04/1986
04/29/1986US4585404 Double-eccentric rotary apparatus with minimal chamber volume
04/10/1986WO1986002128A1 Pinion motor
03/1986
03/25/1986US4578020 Hydraulic motor
03/12/1986EP0174076A1 Improvements in hydraulic motors and hydraulic pumps
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
02/12/1986EP0171182A1 Variable capacity roller- and vane-type pumps
02/11/1986US4569644 Low speed high torque motor with gear reduction
01/1986
01/29/1986EP0169795A2 Double-eccentric rotary apparatus with minimal chamber volume
01/15/1986EP0168268A1 Volumetric machine with rollers
12/1985
12/31/1985US4561831 Rotary hydraulic axially slidable vane device of variable capacity
12/27/1985EP0165884A1 Hydraulic high-pressure producer or receiver for the transmission of power
12/10/1985US4557338 Tool, particularly a boring tool
10/1985
10/08/1985US4545748 Compact high torque hydraulic motors
09/1985
09/17/1985US4541791 Vaned hydraulic system
09/10/1985CN85200445U Rotary pump with rollers
08/1985
08/28/1985EP0153076A1 Gerotor motor and improved lubrication flow circuit therefor
08/06/1985US4533302 Gerotor motor and improved lubrication flow circuit therefor
07/1985
07/17/1985EP0148589A2 Low speed high torque motor with gear reduction
07/02/1985CA1189691A1 Power transmission
06/1985
06/25/1985CA1189389A1 Power transmission
05/1985
05/08/1985EP0139669A1 Rotary blade machine
03/1985
03/27/1985EP0134881A1 Rotor and method of making same
03/19/1985US4505654 Rotary vane device with two pressure chambers for each vane
03/13/1985EP0134043A1 Power transmission
03/12/1985US4503928 Hydraulic motor and hydrostatic power transmission using such motor
01/1985
01/15/1985US4493622 Variable displacement motor
12/1984
12/11/1984US4487559 Hydraulic machine with retractable partitions and variable cubic capacity
12/11/1984US4487167 Oscillating piston diesel engine
11/1984
11/21/1984EP0125663A1 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio
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
11/06/1984US4480972 Gerotor motor and case drain flow arrangement therefor
11/06/1984US4480971 In a rotary fluid pressure device
11/06/1984CA1177477A1 Direct drive bit for deep well drilling tools
10/1984
10/02/1984US4474544 Rotary gerotor hydraulic device with fluid control passageways through the rotor
10/02/1984CA1175291A1 Gear pump or motor with low pressure bearing lubrication
09/1984
09/18/1984US4472123 Internal gear machine with segmented filler members
09/11/1984US4470777 Volumetric machine with screw and pinion-wheels
08/1984
08/30/1984WO1984003330A1 Rotary blade machine
08/28/1984CA1173296A1 Gerotor gear set device with integral rotor and commutator
08/22/1984EP0116217A1 Two-speed gerotor motor
08/21/1984US4466783 Three vane, two lobe fluid motor
08/21/1984CA1172905A1 Displacement variation of hydraulic machines with retractable partitions
07/1984
07/31/1984US4462773 Planetary hydraulic motor
07/03/1984US4457677 High torque, low speed hydraulic motor
06/1984
06/19/1984US4455130 Gear machine with oppositely aligned sealing elements
06/05/1984CA1168510A1 Gear ring pump
05/1984
05/29/1984US4451216 Planetary hydraulic motor with stator gear hinged to a housing
05/22/1984US4449898 Power transmission
04/1984
04/03/1984CA1164730A1 Seawater hydraulic vane-type motor
03/1984
03/27/1984US4439119 Gerotor machine with commutating valving through the ring gear
03/20/1984CA1163861A1 High-torque hydraulic motor
03/06/1984US4435130 Hydraulic planetary piston engine having free wheeling valve
02/1984
02/21/1984US4432712 Hydrostatic gear ring machine
02/14/1984US4431389 Power transmission
01/1984
01/18/1984EP0098377A1 Gerotor type hydraulic machine
12/1983
12/07/1983EP0095686A2 Fluid pressure energy translating device
11/1983
11/15/1983US4415316 Down hole motor
10/1983
10/25/1983US4411606 Gerotor gear set device with integral rotor and commutator
09/1983
09/06/1983US4402654 Fluid-operated gear machine
08/1983
08/31/1983EP0087239A1 Improved crowned spines and definition of root radius therefor
08/23/1983US4400146 Fluid-operated gear machine
08/16/1983US4398874 Gear ring pump
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