Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01C - Rotary-piston or oscillating-piston machines or engines › F01C 11 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
Patents for F01C 11 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (1,299)
01/1990
01/11/1990DE3823027A1 Engine with a thin-walled roller piston
01/02/1990US4890591 Rotary internal combustion engine and method of starting the engine
10/1989
10/31/1989US4877000 Internal combustion engine
10/26/1989DE3811532A1 Rotary engine for drive and compressor
10/19/1989WO1989009874A1 Compound rotary internal combustion engine
10/18/1989EP0337950A2 Internal axis rotary piston engine
10/12/1989DE3918566A1 Tangential rotary piston system
10/12/1989DE3810592A1 Geared heat engine
08/1989
08/08/1989US4854279 Three chamber continuous combustion engine
07/1989
07/18/1989US4848295 Axial flow rotary engine
06/1989
06/06/1989CA1255187A1 Rotary motion fluid apparatus
05/1989
05/23/1989US4831827 Heat transfer systems
05/11/1989DE3737125A1 Positive displacement machine
05/02/1989US4825827 Shaft power generator
03/1989
03/23/1989DE3731448A1 Piston turbine
03/21/1989US4813388 Rotary engine
03/14/1989US4812111 Variable displacement rotary fluid machine
03/02/1989DE3826640A1 Spiral positive-displacement machine
01/1989
01/04/1989EP0187839B1 Rotary positive displacement machine
12/1988
12/15/1988DE3718310A1 Rotary multiple-piston flywheel engine
11/1988
11/30/1988EP0292680A2 Rotary piston machine with two cylinders arranged parallely to each other
11/09/1988EP0289644A1 Rotary internal-combustion turbine
11/08/1988CA1244249A1 Internal or external source of energy thermal engines, for example compression or stirling cycle type engines
11/03/1988DE3712850A1 Rotary engine
11/03/1988DE3712849A1 Rotary engine
09/1988
09/27/1988US4773144 Method of manufacture of scroll compressors and expanders
08/1988
08/16/1988US4764094 Screw machine having a plurality of symmetrically arranged rotors
08/10/1988EP0223798B1 Rotary piston internal combustion engine
06/1988
06/16/1988DE3642359A1 Internal combustion engine
06/07/1988CA1237602A1 Rolling rotor volumetric motor
05/1988
05/17/1988US4744736 Compound rotary internal combustion engine
04/1988
04/28/1988DE3636048A1 Device for controlling an internal combustion engine
04/26/1988US4739615 Internal combustion engine in which compressed fuel mixture is combusted externally of the cylinders of the engine in a rotating combustion chamber
03/1988
03/29/1988US4733534 Internal combustion engine and output motion transducer
03/17/1988DE3627962A1 Rotary internal combustion engine
03/08/1988US4729726 Housing structure for a multiple-rotor type rotary piston engine
02/1988
02/23/1988CA1233145A1 Volumetric displacement fluid machine
02/11/1988DE3724298A1 Drehkolbenverbrennungskraftmaschine Rotary internal combustion piston engine
12/1987
12/29/1987US4715338 Rotary engine
12/23/1987EP0250372A1 Rotary piston engine
12/09/1987EP0248613A2 Heat transfer systems
12/03/1987WO1987007326A1 Rotary internal combustion engine
11/1987
11/25/1987EP0246955A2 Internal-combustion engine
11/25/1987CN86103105A Vaned double rotor internal combustion engine
10/1987
10/27/1987US4702206 Rotary positive displacement machine
10/21/1987EP0241570A1 Volumetric displacement fluid machine
10/13/1987US4699576 Positive displacement device
10/13/1987US4699101 Volumetric displacement fluid machine
10/08/1987DE3705313A1 Oscillating piston engine
10/08/1987DE3705079A1 Rotary engine
09/1987
09/16/1987EP0236344A1 Shaft power generator
09/08/1987US4692105 Roller displacement motor
08/1987
08/19/1987EP0232421A1 Screw machine
07/1987
07/07/1987US4677949 Scroll type fluid displacement apparatus
06/1987
06/09/1987US4671231 Unidirectional rotary piston internal combustion engine
05/1987
05/20/1987EP0222082A1 Exhaust-driven screw charger
05/05/1987US4662329 Rotary internal combustion engine
04/1987
04/29/1987EP0219653A1 Rotary piston machine
04/21/1987US4658779 Internal combustion engine of three rotation piston
03/1987
03/25/1987EP0215194A1 Rotary internal combustion engine
03/19/1987DE3626084A1 Rotary machine
03/12/1987WO1987001414A1 Shaft power generator
01/1987
01/29/1987WO1987000571A1 Screw machine
01/27/1987US4639202 Gerotor device with dual valving plates
01/27/1987US4638776 Rotary internal combustion engine
01/14/1987EP0208224A2 An ignition controlling means for a linear or rotary type of engine
11/1986
11/20/1986WO1986006791A1 Rotary piston internal combustion engine
11/04/1986US4620514 Internal combustion rotary power plant system
09/1986
09/30/1986US4614173 Intake system for rotary piston engine
09/03/1986CN85108046A Internal combustion engine with bolt type piston
08/1986
08/14/1986WO1986004638A1 Rotary motion fluid apparatus
07/1986
07/23/1986EP0187839A1 Rotary positive displacement machine.
07/22/1986US4601643 Rotary compressor machines
07/16/1986CN85108050A Rotational piston type internal-combustion engine with separating strokes
05/1986
05/28/1986EP0181972A1 Rotary pumps or engines
05/27/1986US4590761 Rotary combustion chamber reaction engine
05/22/1986WO1986002973A1 Rotary pumps or engines
05/06/1986US4586885 Compact high torque hydraulic motors
02/1986
02/19/1986EP0172033A2 Internal combustion engine
02/13/1986WO1986000957A1 Rotary positive displacement machine
01/1986
01/28/1986US4566411 Split cycle engine
01/15/1986EP0168268A1 Volumetric machine with rollers
11/1985
11/19/1985US4553513 Thermodynamic rotary engine
10/1985
10/08/1985US4545205 Stirling cycle or compressor-type thermal engine having a power source positioned externally to or internally to its cylinders
05/1985
05/07/1985US4515539 Scroll-type hydraulic machine with two axially spaced scroll mechanisms
05/02/1985EP0138889A1 Compact high torque hydraulic motors
04/1985
04/02/1985US4508089 Method of regulating the charge of combustion gas delivered to an internal combustion engine
03/1985
03/13/1985EP0133891A1 Scroll-type fluid displacement machine
02/1985
02/26/1985US4501536 Compact high torque gerotor-type hydraulic motor
01/1985
01/02/1985EP0130171A1 Rotary internal combustion engine
10/1984
10/16/1984US4476826 Vane type rotary internal combustion engine with transfer valve in rotor
09/1984
09/25/1984CA1174983A1 Internal combustion engine
09/13/1984WO1984003537A1 Compact high torque hydraulic motors
08/1984
08/22/1984EP0116356A1 Rotary piston engine
08/01/1984EP0114781A1 Heat engine with an internal or external energy source with cylinders of the compressor type or Stirling cycle type
06/1984
06/26/1984US4456441 Rotary machine
06/19/1984US4454844 Four cycle rotary engine employing eccentrical mounted rotor
05/1984
05/29/1984US4451214 Rotary piston type fluid machine
05/15/1984US4448161 Internal combustion rotary power plant system
04/1984
04/24/1984US4444165 Internal combustion rotary power plant system
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