Patents for F01C 1 - Rotary-piston machines or engines (9,235)
03/1982
03/23/1982CA1120447A1 Rotating piston variable displacement machine
03/16/1982US4319551 Rotary internal combustion engine
03/10/1982EP0046946A1 Universal rotating machine for expanding or compressing a compressible fluid
03/03/1982EP0046586A2 Internal combustion engine
03/02/1982CA1119139A1 Rotary positive displacement machines
02/1982
02/24/1982EP0046293A2 Rotary fluid pressure device and valve-seating mechanism therefor
02/23/1982US4316439 Rotary engine with internal or external pressure cycle
02/09/1982US4314533 Rotary engine employing double eccentric
02/04/1982WO1982000316A1 Rotary piston machine with rocking obturator members
02/02/1982CA1117369A1 Rotary machine
01/1982
01/26/1982US4312629 Universal rotating machine for expanding or compressing a compressible fluid
01/21/1982WO1982000176A1 Toroidal cylinder internal combustion engine
01/21/1982WO1982000173A1 Planetary hydromotor
01/21/1982WO1982000172A1 Planetary hydromotor
01/20/1982EP0043899A1 Annular gear pump
01/20/1982EP0043880A1 Rotary external combustion engine
01/19/1982US4311442 Rotary piston machine with alternating pistons and sealings therefor
01/19/1982US4311121 Rotary device
01/13/1982EP0043702A2 Scroll-type fluid displacement apparatus with chamber-pressure equalizing means
01/13/1982EP0043701A2 Capacity control for a scroll-type fluid displacement apparatus
01/06/1982EP0042890A1 An internal combustion engine having an orbital inner body or piston member working in a housing
12/1981
12/29/1981US4308002 Wankel-type engine with semi-circular sectional configuration for chamber end surface
12/23/1981EP0042027A1 Soren-rotor expansion engine
12/22/1981US4306845 Rolling rotor expansible chamber machine with rolling seal cylinder
12/16/1981EP0041802A1 Scroll type fluid displacement apparatus
12/10/1981WO1981003522A1 Method for converting one form of energy into another form of energy
12/10/1981WO1981003520A1 Reversible rotary vane vacuum motor
12/08/1981US4304535 Scroll-type compressor units with minimum housing and scroll plate radii
11/1981
11/25/1981EP0040236A1 Rotary engine
11/17/1981US4300874 Rotary machine with lenticular rotor and a circular guide member therefor
11/11/1981EP0039623A1 Improvements in or relating to scroll-type fluid displacement apparatus
11/11/1981EP0039622A1 Improvements in or relating to fluid displacement apparatus
11/10/1981CA1112224A1 Rotary positive displacement machines
11/03/1981US4298318 Rotary valve for fluid motor or pump
10/1981
10/27/1981US4297090 Rotary expansion power unit with valve disc connected to crankshaft
10/27/1981US4296936 Seal mechanism for the rotor periphery of a rotary piston engine
10/21/1981EP0038152A1 Improvements in scroll-type fluid displacement apparatus
10/20/1981US4295805 Hydraulic rotary toothed piston engine with flow through the toothed gaps
10/14/1981EP0037658A1 Balancing means for a scroll-type fluid displacement apparatus
09/1981
09/23/1981EP0036220A2 Rotary-piston engine with a central axe
09/23/1981EP0036047A1 Rotary-piston internal combustion engine
09/15/1981US4289454 Rotary hydraulic device
09/09/1981EP0035136A2 Central axis rotary piston internal-combustion engine
09/02/1981EP0034958A2 Engine with rotary pistons having a cyclic speed variation and driving means
09/01/1981US4286555 Rotary internal combustion engine
09/01/1981CA1108009A1 Rotary axial vane mechanism
08/1981
08/19/1981EP0034085A1 Positive-displacement gas generator
08/12/1981EP0033544A2 Internal-axis gear-type fluid machine with distribution means
08/06/1981WO1981002183A1 Slant axis rotary piston mechanism
08/05/1981EP0033026A2 Slant axis rotary piston machine
08/04/1981US4281628 High efficiency tri-rotor ballistic engine
08/04/1981CA1106291A1 Rotary internal combustion engine with paired edge seals
07/1981
07/28/1981US4280798 Work machine
07/28/1981US4280325 Unidirectional energy converter
07/21/1981US4279577 Alternating piston rotary engine with latching control mechanism and lost motion connection
07/14/1981US4278410 Rotatable pneumatic gear motor having a deformable adjustable sealed chamber
07/14/1981US4278409 Compressor
07/07/1981US4277230 Gear machine operable as pump or motor with axially spaced and circumferentially offset pair of gears
06/1981
06/30/1981US4276006 System for cooling motor bearings
06/23/1981US4274814 Rotative machine for fluids
06/23/1981US4274374 Air-cooled rotary internal combustion engine
06/09/1981CA1102622A1 Sealing system for a rotary machine
06/03/1981EP0029753A1 Volumetric vane machines
06/02/1981CA1102179A1 Rotative machine for fluids
05/1981
05/14/1981WO1981001313A1 Rotary engine
05/13/1981EP0028349A1 Hydrostatic gear machine
05/12/1981US4266516 Internal combustion rotary engine
05/05/1981US4265604 Rotary pneumatic tool with valve-closing pin actuated upon overspeed
04/1981
04/30/1981WO1981001169A1 Rotary expansion power unit
04/29/1981EP0027665A1 Rotary engine employing double eccentric
04/28/1981US4264288 Gerotor machine with flow control recesses in the inner gear member
04/28/1981CA1099989A1 Angular compression expansion cylinder with radial pistons
04/21/1981CA1099526A1 Unidirectional energy converter engine
04/14/1981US4261691 Rotary screw machine with two intermeshing gate rotors and two independently controlled gate regulating valves
04/08/1981EP0026747A1 Rotary-piston internal-combustion engine with three pistons and with excentrically operating rotors provided with three radially sliding vanes
03/1981
03/31/1981US4259043 Thrust bearing/coupling component for orbiting scroll-type machinery and scroll-type machinery incorporating the same
03/24/1981US4257752 Rotary alternating piston machine with coupling lever rotating around offset crankpin
03/24/1981CA1098043A1 Rotary piston machine
03/17/1981US4256443 Rotary vane-type engine throttle channels communicating between adjacent working spaces
03/11/1981EP0024460A1 Method for arranging rotary machines in several new applications and operating devices
03/10/1981CA1097286A1 Scroll-type apparatus with fixed throw crank drive mechanism
03/10/1981CA1097225A1 Seal grid system for a rotary piston mechanism
02/1981
02/24/1981US4252511 Rotary compressor or motor with rotors having interengaging blades and recesses
02/18/1981EP0023927A1 Combustion motor with rotary piston
02/17/1981US4250851 Rotary piston engine
02/11/1981EP0023529A2 Rotary piston machine of the external axis type
01/1981
01/28/1981EP0022794A1 Rotating piston engine
01/28/1981EP0022782A1 Gear machine.
01/28/1981EP0022781A1 Gear machine.
01/27/1981US4247268 Rotary vane machine with radial vane constraining members
01/07/1981EP0022103A1 A rotary vane machine
01/07/1981EP0021765A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake
01/07/1981EP0021764A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake
01/07/1981EP0021763A1 A rotary fluid machine, such as an engine, a pump, a compressor, a brake
01/07/1981EP0020335A1 Internal combustion engine with rotating pistons
01/06/1981US4243006 Rotary engine with lateral pistons
12/1980
12/30/1980US4242591 Orbitally rotating piston engine
12/30/1980US4242065 Sliding vane compressor with end face inserts or rotor
12/30/1980US4241713 Rotary internal combustion engine
12/30/1980CA1092571A1 Rotary piston compressor
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