Patents
Patents for F01C 11 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (1,299)
04/1984
04/24/1984US4444164 Internal combustion rotary power plant system
03/1984
03/20/1984US4437441 For charging a self-contained power turbine
03/20/1984US4437308 Rotary heat engine
02/1984
02/21/1984US4432314 Internal combustion engine
01/1984
01/10/1984US4424779 Internal combustion rotary power plant system
12/1983
12/27/1983US4422419 Rotary internal combustion engine
10/1983
10/12/1983EP0091289A2 A linear or rotary type of engine driven with an air exchanging chamber means and an advanced ignition means adjustable with servo-drive means
09/1983
09/13/1983US4403928 Multi-unit rotary mechanism
09/13/1983US4403581 Rotary vane internal combustion engine
08/1983
08/31/1983EP0087242A1 Power plant
08/23/1983US4399654 Power plant having a free piston combustion member
08/17/1983EP0085889A1 Rotary piston machine having two or more stages
07/1983
07/12/1983US4392458 Internal combustion engine with double oscillating pistons
07/12/1983US4392351 Multi-cylinder stirling engine
06/1983
06/01/1983EP0080070A1 Internal-combustion engine
05/1983
05/25/1983EP0022781B1 Gear machine
04/1983
04/19/1983US4380220 Internal combustion engine
04/14/1983WO1983001276A1 Compound power plant with efficient heat cycle
12/1982
12/14/1982CA1137369A1 Multi-unit rotary piston mechanism and mainshaft coupling therefor
11/1982
11/09/1982US4357800 Rotary heat engine
10/1982
10/26/1982US4355603 Internal combustion engine
10/19/1982US4354462 Internal combustion engine
10/12/1982US4353337 Rotary engine
09/1982
09/14/1982US4348865 Helical gear machine with regulated outlet
06/1982
06/30/1982EP0054568A1 Toroidal cylinder internal combustion engine
03/1982
03/30/1982US4321897 Internal combustion engine
03/16/1982CA1119964A1 Internal combustion engine
03/04/1982WO1982000681A1 Machine capable of working as an engine,a compressor or a pump
03/03/1982EP0046586A2 Internal combustion engine
01/1982
01/21/1982WO1982000176A1 Toroidal cylinder internal combustion engine
10/1981
10/07/1981EP0037206A2 A thermodynamic rotary engine
09/1981
09/29/1981CA1109802A1 Rotary internal combustion engine exhaust system
09/22/1981US4290341 Rotary engine
08/1981
08/25/1981US4285644 Expansion or compression machine with interengaging members rotating on perpendicular axes
08/19/1981EP0034085A1 Positive-displacement gas generator
05/1981
05/19/1981US4268231 Multi-unit rotary piston mechanism and mainshaft coupling therefor
02/1981
02/24/1981US4252509 Fluid handling apparatus
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
01/28/1981EP0022781A1 Gear machine.
12/1980
12/23/1980US4240394 Rotary engine
12/16/1980US4239027 Rotary internal stage combustion engine
12/02/1980US4236496 Rotary engine
10/1980
10/21/1980US4228654 Heat recuperative engine with improved recuperator
10/01/1980EP0016105A1 Engine system
07/1980
07/15/1980US4212282 Positive displacement, continuous combustion rotary engine
07/10/1980WO1980001397A1 Rotating piston engine
06/1980
06/11/1980EP0011762A1 Rotary piston engine
05/1980
05/20/1980US4203410 Method for operating a rotary engine
05/13/1980US4202313 Rotary engine
04/1980
04/03/1980WO1980000591A1 Gear machine
02/1980
02/07/1980WO1980000170A1 Engine system
02/06/1980EP0007535A1 Double-rotor rotary piston machine
01/1980
01/08/1980US4182301 Rotary internal combustion engine
12/1979
12/25/1979US4179890 Epitrochoidal Stirling type engine
12/18/1979CA1068216A1 Rotary piston engine
10/1979
10/16/1979US4170978 Rotary engine
06/1979
06/05/1979US4157234 Scroll-type two stage positive fluid displacement apparatus
05/1979
05/22/1979CA1054942A1 Compound spark-ignition and diesel engine
04/1979
04/03/1979CA1051786A1 Rotary internal combustion engine
03/1979
03/20/1979US4144865 Fluid displacement apparatus
03/06/1979CA1049930A1 Rotary engine
02/1979
02/27/1979US4141677 Scroll-type two stage positive fluid-displacement apparatus with intercooler
02/13/1979US4138848 Compressor-expander apparatus
02/13/1979US4138847 Heat recuperative engine
01/1979
01/30/1979CA1047334A1 Multiple air motor drive unit
01/02/1979US4132213 Rotary engine
11/1978
11/28/1978US4127364 Heat pump unit
11/28/1978CA1043267A1 Orbital displacers
08/1978
08/29/1978US4109486 Heating system
08/15/1978US4106441 Power translation machine with oscillating piston
07/1978
07/04/1978US4098256 Heating system
05/1978
05/02/1978US4086881 Rotary engine
07/1977
07/26/1977US4037412 Compound spark-ignition and diesel engine
07/19/1977US4036566 Fluid displacement apparatus
07/05/1977US4033299 Rotary engine
06/1977
06/07/1977US4027485 Modular engine assembly
05/1977
05/24/1977US4025246 Rotary machine with counterweights for interfitted vanes
05/24/1977US4025224 Multiple air motor drive unit
05/24/1977US4024840 Engine and compressor arrangement
05/17/1977US4023540 Rotary engine
02/1977
02/22/1977US4008987 Combined timing gear and pump for rotary mechanisms
11/1976
11/23/1976US3993029 Method of operating a compound supercharged rotary piston engine
11/02/1976US3989011 Constant pressure heating vane rotary engine
09/1976
09/21/1976US3981280 Two-stroke combustion engines
08/1976
08/31/1976US3977369 Orbital displacers
07/1976
07/20/1976US3970050 Two-stage rotary engines
06/1976
06/22/1976US3964447 Vane-type rotary internal combustion engine
05/1976
05/25/1976US3958422 Rotary stirling cycle engine systems
04/1976
04/20/1976US3951111 Energy converter
04/20/1976US3951109 Rotary internal combustion engine
04/06/1976US3948225 Rotary internal combustion engine with parallel coextensive rotors
03/1976
03/30/1976US3947164 Rotatable machine operating as a compressor or a motor
03/16/1976US3944378 Rotary fluid displacement apparatus with orbiting toothed ring member
03/09/1976US3942484 Impeller type engine
03/02/1976US3941526 Rotary engine assembly
03/02/1976US3940925 Rotary internal combustion engine
02/1976
02/17/1976US3938477 Thrust bearing arrangement for a rotary piston internal combustion engine having a vertical crankshaft
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