Patents for F01C 1 - Rotary-piston machines or engines (9,235)
03/1978
03/14/1978US4078526 Rotary piston engine
02/1978
02/28/1978US4076471 Rotary engine with separable abutment and adjustable valve cam
02/28/1978US4076470 Planetary air motor with two internal gearings
02/28/1978US4075981 Rotary internal combustion engine
02/14/1978US4073608 Positive displacement vane type rotary pump
02/07/1978US4072451 Power transmission
02/07/1978US4072447 Alternating piston rotary apparatus
02/07/1978US4072132 Rotary internal combustion engine
01/1978
01/24/1978US4070137 Rotary mechanism with a continuous curve at the chamber waist
01/17/1978US4068988 Positive-displacement, fluid machine
01/17/1978US4068985 Rotary engine or pump construction
12/1977
12/27/1977US4065279 Scroll-type apparatus with hydrodynamic thrust bearing
12/27/1977US4064841 Rotary engine
12/06/1977US4061445 Power-converting device
11/1977
11/29/1977US4060342 Vane assembly for rotary compressor
11/22/1977US4058938 Method and apparatus for grinding the tooth flanks of internally-toothed gear wheels
11/08/1977US4057374 Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
11/08/1977US4057039 Engine having alternately rotating orbital pistons and cylinders
11/08/1977US4057035 Internal combustion engines
10/1977
10/25/1977US4055156 Rotary engine
10/11/1977US4053263 Screw rotor machine rotors and method of making
09/1977
09/13/1977US4047857 Rotary piston engine
09/13/1977US4047856 Rotary steam engine
09/13/1977US4047765 Hydraulic power transmission and braking system for vehicles
09/06/1977US4046493 Sliding vane machine
08/1977
08/16/1977US4042062 Air pulse noise damper for a pneumatic tool
08/09/1977US4040607 Method of building up pressure by multi-shaft screw extruders
07/1977
07/26/1977US4037997 Orbital engine with stabilizing plate
07/19/1977US4036540 Screw extruder housing
07/12/1977US4035115 Vane pump
07/12/1977US4035113 Gerotor device with lubricant system
07/12/1977US4035111 Toroidal rotary engine
07/12/1977US4034718 Internal combustion engine with rotating chambers
07/05/1977US4033300 Rotary internal combustion engine
07/05/1977US4033299 Rotary engine
06/1977
06/28/1977US4032270 Rotary vane compressor with improved vane extension means
06/28/1977US4032269 Rotary vane compressor with vane extension means of improved design
06/14/1977US4029444 Sealing bolt seat for rotary piston machine
06/07/1977US4028028 Sliding vane fluid device
06/07/1977US4028025 Screw pump
06/07/1977US4028023 Fluid operable rotary piston device
06/07/1977US4028021 Rotary trochoidal compressor with compressible sealing
06/07/1977US4028019 Positive-displacement unit with coaxial rotors
06/07/1977US4028016 Rotary displacement compressor with capacity control
05/1977
05/31/1977US4026249 Rotary cycloidal continuous toroidal chamber internal combustion engine
05/24/1977USRE29230 Rotary motor
05/24/1977US4025248 Radially extended vapor inlet for a rotary multivaned expander
05/24/1977US4025246 Rotary machine with counterweights for interfitted vanes
05/24/1977US4025243 Orbital device
05/24/1977US4025224 Multiple air motor drive unit
05/24/1977US4024841 Rotary internal combustion engine with oscillating pistons
05/24/1977US4024840 Engine and compressor arrangement
05/17/1977US4023540 Rotary engine
05/17/1977US4023535 Rotary piston internal combustion engine with a stratified charge intake port system
05/17/1977US4023534 Rotary piston internal combustion engine with a stratified charge intake port system
05/10/1977US4022553 Rotary piston compressor with inlet and discharge through the pistons which rotate in the same direction
05/10/1977US4022552 Vane type fluid power machine
05/03/1977US4021161 Rotary fluid pressure device and thrust absorbing arrangement therefor
05/03/1977US4021160 Orbital motor
05/03/1977US4021159 Housing formation for a rotary piston machine of trochoidal construction with an outer envelope curve
05/03/1977US4020917 Positive hydraulic direct drive for vehicles
05/03/1977US4020800 Rotary piston internal combustion engine with a stratified charge intake port system
05/03/1977US4020799 Rotary piston internal combustion engine with a stratified charge intake port system
04/1977
04/26/1977US4019840 Positive displacement vane type rotary pump
04/26/1977US4019589 Pulse motor nut runner
04/19/1977US4018191 Rotary internal combustion engine
04/12/1977US4017208 Two-way fluid meter pump
03/1977
03/29/1977US4014298 Concentric rotary engine
03/22/1977US4013388 Support means for floating rotary ring member
03/22/1977US4012903 Internal combustion engine
03/15/1977US4012183 Rotary vane compressor with vane extension means
03/15/1977US4012182 Machines for energy conversion
03/15/1977US4012181 Engine with rotor, of new type
03/15/1977US4011917 Process and universal downhole motor for driving a tool
03/08/1977US4010716 Rotary engine
03/01/1977US4009691 Port control arrangement in a rotary-piston internal-combustion engine
03/01/1977US4009690 Rotary internal combustion engine
02/1977
02/22/1977US4008988 Rotary piston expansible chamber device
02/22/1977US4008982 Rotary fluid energy converter
02/22/1977US4008693 Rotary engine
02/15/1977US4008018 Rotary fluid displacement device having improved porting
02/15/1977US4008015 Rotor-stator gear set
02/15/1977US4008013 Fluid rotative machine with variable displacement
02/15/1977US4008001 Rotor for rotary internal combustion engine
02/15/1977US4007715 Rotary engines, compressors and vacuum pumps
02/01/1977US4005951 Rotary vane engine with orbiting inner and outer members
02/01/1977US4005949 Variable capacity rotary screw compressor
01/1977
01/25/1977US4004866 Gerotor device with valve compensating means
01/25/1977US4004864 Method for modifying a compressing apparatus unit
01/25/1977US4004556 Rotary internal combustion engine of axially sliding vane type
01/25/1977US4004555 Rotary piston internal combustion engine having a heat transfer phase
01/18/1977US4003682 Rotary piston engine having continuous torque characteristics
01/18/1977US4003681 Positive-displacement unit with coaxial rotors
01/18/1977US4003349 Rotary piston engine
01/18/1977US4003346 Rotary piston internal combustion engine
01/11/1977US4002033 Rotary displacer for rotary engines or compressors
01/04/1977US4000959 Free-piston rotary device particularly useful as hydraulic motor or pump
12/1976
12/28/1976US3999905 Rotary mechanism
12/28/1976US3999904 Orbital piston engine
12/28/1976US3999901 Progressive cavity transducer
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