Patents
Patents for F02B 57 - Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons (870)
08/1994
08/04/1994WO1994002334A3 Hydraulic drive and braking system
07/1994
07/19/1994CA1330762C Improved rotary vee engine
07/13/1994EP0605576A1 Two stroke internal combustion engine.
05/1994
05/26/1994WO1994011625A1 Combination rotary internal combustion engine and ducted fan
04/1994
04/19/1994US5303679 Rotary internal combustion engine
03/1994
03/17/1994WO1994005902A1 Rotary cylinder engine
03/10/1994DE4229789A1 Rotating piston engine with single chamber - has three pistons rotating about axis offset from runner axis
03/03/1994DE4228639A1 Zylinderläufermaschine Rotary cylinder machine
02/1994
02/24/1994DE4231482A1 Combustion-chamber housing for radial-piston engine - is sealed during compression stroke by valves operated by pressure generated by power stroke
02/03/1994WO1994002725A1 Internal combustion engine
02/03/1994WO1994002334A2 Hydraulic drive and braking system
02/03/1994DE4224075A1 Hydraulisches Antriebs- und Bremssystem Hydraulic drive and brake system
01/1994
01/27/1994DE4224074A1 Verbrennungsmotor Combustion engine
11/1993
11/02/1993US5257599 External-internal rotary combustion engine
11/02/1993CA1323840C Rotating cylinder block piston-cylinder engine
10/1993
10/28/1993WO1993021434A1 Rotary internal combustion engine
09/1993
09/30/1993WO1993019284A1 Rotary engine
09/16/1993WO1993018286A1 Internal combustion engine
08/1993
08/25/1993EP0477256B1 Piston engine
07/1993
07/28/1993CN1074729A Rotary cylinder internal-combustion engine
07/27/1993US5230307 Internal combustion engine having rotary engine body
07/20/1993US5228294 Rotary internal combustion engine
06/1993
06/10/1993WO1993011349A1 Rotating piston diesel engine
06/10/1993WO1993011343A1 Bi-rotary engine
05/1993
05/27/1993DE4239074A1 Four-stroke rotary swivel piston engine - has integrated drive unit fixed to inner bearing unit with internal crown gear engaging with drive gear and intermediate gears
05/18/1993US5211138 Rotary internal combustion engine
05/11/1993US5209190 Rotary power device
04/1993
04/14/1993CN1020297C Plunger-rotating type engine
04/01/1993WO1993006348A1 Two stroke internal combustion engine
12/1992
12/24/1992DE4119651C1 Opposed piston rotary IC-engine - has motor ring closing off outer ends of cylinder bores in which pistons reciprocate
12/10/1992DE4118938A1 Rotary swing piston engine - has pistons which perform working stroke with each rotation of driving drum
11/1992
11/25/1992EP0514955A2 Improved rotary vee engine
11/25/1992EP0514954A2 Rotary vee engine
11/19/1992EP0513877A2 Improved rotary vee engine
11/19/1992EP0513876A2 Rotary vee engine
11/10/1992US5161378 Rotary internal combustion engine
10/1992
10/08/1992DE4210712A1 Rotationsmaschine Rotary machine
10/01/1992WO1992016721A1 A kinematic motion assembly with reciprocating relative motion
09/1992
09/03/1992WO1992014917A1 Radial piston engine
08/1992
08/27/1992DE4105960A1 Radial-piston motor
08/26/1992EP0377672B1 Internal combustion engine with rotary distribution
08/12/1992CN1063530A 高效发动机 Efficient engines
07/1992
07/28/1992US5133305 Internal combustion engine having rotary engine body
06/1992
06/23/1992US5123394 Rotary reciprocating internal combustion engine
05/1992
05/14/1992CA2029729A1 Rotary opposed piston internal combustion engine
05/13/1992EP0446232A4 Rotary internal combustion engine
04/1992
04/16/1992DE4101839A1 Engine with rotary cylinder block - has cylinders in successive positions round axis of rotation
04/14/1992US5103775 Internal combustion engine having non-aligned pistons mounted on rotating base
04/01/1992EP0477256A1 Piston engine.
02/1992
02/25/1992US5090372 Rotary internal combustion engine
02/06/1992DE4024270A1 Rotary piston IC engine - has two=stroke working during rotation of eccentric shaft
01/1992
01/14/1992US5080050 Rotary engine
12/1991
12/31/1991US5076219 Internal-combustion engine with rotary distribution
12/10/1991US5070825 Rotating piston diesel engine
12/04/1991CN1015019B Improvement of two-stroke internal combustion engine and operation method thereof
11/1991
11/28/1991DE4003338A1 Rotary reciprocating piston engine - has end housing covers rigidly connected each other and able to pivot around rotor shaft
11/21/1991DE4115807A1 Four stroke rotary IC-engine - has engine charged by chambers located beneath pistons in cylinder housing
10/1991
10/23/1991EP0357650B1 Internal combustion engine
09/1991
09/18/1991EP0446232A1 Rotary internal combustion engine
08/1991
08/08/1991WO1991011595A1 Rotary engine
08/07/1991EP0439490A1 A four-stroke radial-piston engine.
07/1991
07/18/1991DE4000742A1 Rotary-stroke piston motor - has star-shaped element and uses movable guide track for element
05/1991
05/29/1991DE3938793A1 Piston engine
05/23/1991DE4003337C1 Rotary piston IC engine - has injection nozzles pivoting in housing wall inlets and directed toward piston surface
05/16/1991WO1991006752A1 Internal combustion engine
04/1991
04/04/1991DE3932179A1 Piston engine
12/1990
12/27/1990WO1990015918A1 Piston engine
12/13/1990DE3919168A1 Piston engine assembly - has pistons, crankshaft and rotating cylinder block with crankshaft axis having equal eccentricity to both other axes
12/05/1990CN1047553A Rotary reciprocating engine
12/04/1990US4974553 Rotary internal combustion engine
10/1990
10/31/1990EP0394763A1 Internal combustion engine
09/1990
09/13/1990DE3907307A1 Rotary centrifugal-piston engine, particularly a combustion engine
08/1990
08/28/1990US4951618 Rotary engine
07/1990
07/18/1990EP0377672A1 Internal combustion engine with rotary distribution.
06/1990
06/14/1990WO1990006424A1 Rotary internal combustion engine
05/1990
05/31/1990CA2003491A1 Rotary internal combustion engine
05/03/1990WO1990004709A1 A four-stroke radial-piston engine
04/1990
04/18/1990EP0363423A1 Rotary reciprocating engine with rotor
04/05/1990DE3937874A1 Radial-cylinder IC engine - has cylinders rotated within ring contg. inlet and exhaust ports, obviating need for valves
04/03/1990US4912923 Double-rotor rotary engine and turbine
03/1990
03/28/1990CN1040850A Plunger-rotating type engine
03/14/1990EP0357650A1 Internal combustion engine.
12/1989
12/14/1989DE3820033A1 Internal combustion engine
10/1989
10/19/1989WO1989009875A1 Rotary reciprocating engine with rotor
10/11/1989EP0336617A2 Rotating cylinder block piston-cylinder engine
09/1989
09/19/1989US4867107 Rotary vee engine
08/1989
08/09/1989EP0327352A2 Rotary vee engine
07/1989
07/05/1989CN1004717B 转缸发动机 Turn-cylinder engine
06/1989
06/06/1989US4836149 Rotating cylinder block piston-cylinder engine
04/1989
04/20/1989WO1989003474A1 Internal combustion engine with rotary distribution
03/1989
03/02/1989DE3825864A1 Drehende kolben-versetzungseinrichtung Rotating-piston device dislocation
03/02/1989DE3730558A1 Rotary internal combustion engine with stroke limiting
02/1989
02/08/1989CN1030963A Improved internal combustion engine
01/1989
01/03/1989CA1248029A1 Rotary internal combustion engine
12/1988
12/01/1988DE3810728A1 Rotary piston engine
11/1988
11/23/1988CN87103277A Improvement of two-stroke internal combustion engine and operation method thereof
11/17/1988WO1988008921A1 Piston internal combustion engine
11/03/1988WO1988008483A1 Planetary piston internal combustion engine
11/03/1988DE3712992A1 Verbrennungsmotor Combustion engine
10/1988
10/20/1988WO1988008074A1 Internal combustion engine
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