Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02B - Internal-combustion piston engines; Combustion engines in general › F02B 53 - Internal-combustion aspects of rotary-piston or oscillating-piston engines
Patents for F02B 53 - Internal-combustion aspects of rotary-piston or oscillating-piston engines (4,415)
12/1991
12/04/1991CN1056730A Low differential control rotary piston machinery
11/1991
11/28/1991WO1991018193A1 Rotary engine
11/27/1991CN1014921B Power conversion machine provided with pistons rotating in spherical housing
11/21/1991EP0456705A1 Compression/combustion assembly
11/21/1991EP0456677A1 Rotary piston internal combustion engine
11/13/1991CN1056149A Rolling rotor type power machine
10/1991
10/31/1991DE4012815A1 Drive for control of rotary piston engine - has cardan joint shaft attached to piston pairs which give phase-displacement motion
10/17/1991WO1991015659A1 A rotary engine
10/16/1991CN1055410A Gas piston rotor engine
10/15/1991US5056315 Compounded turbocharged rotary internal combustion engine fueled with natural gas
10/15/1991US5056314 Internal combustion engine with compound air compression
10/08/1991WO1991015663A1 A double acting, rectangular faced, arc shaped, oscillating piston quadratic internal combustion engine or machine
10/08/1991US5054439 Intake system for automotive engine
10/08/1991CA2080132A1 Double acting rectangular faced arc shaped, oscillating piston quadratic internal combustion engine or machine
10/03/1991WO1991014859A1 Working fluid rotating machine
09/1991
09/24/1991US5050572 Supercharge pressure control system for automotive engine with supercharger
09/17/1991US5049051 Multi-piece tilted apex seal assembly
09/10/1991US5046465 Rotary internal combustion engine
09/04/1991EP0444375A1 Propulsion plant with straight and torical pistons
09/04/1991CN1054292A Rotary-piston internal combustion engine with compressed-air burning in different cylinders
08/1991
08/14/1991DE4003631A1 IC-combustion engine for vehicle - has blind bores in shaft at angle to radial direction to act as combustion chamber
08/08/1991DE4003675A1 Revolving piston IC engine - has enclosing sealed insert installed on eccentric of shaft between ring gear and pinion of synchronous gear
08/08/1991DE4003663A1 Rotary piston IC engine - has body of eccentric bearing has bores on both sides on its axial inner edges which line up with bores in piston
08/08/1991DE4003454A1 Rotary piston IC engine - has annular combustion chamber recessed in two face end joined rotating piston valves
08/06/1991US5036809 Circular rotary engine
07/1991
07/30/1991CA1286996C Internal combustion engine
07/25/1991WO1991010820A1 Rotary piston internal combustion engine
07/25/1991WO1991010811A1 Rotary-piston internal-combustion engine
07/25/1991DE4039300A1 Rotary IC engine - has ceramic sealing strips in structured piston grooves
07/23/1991US5033429 Internal combustion engine
07/17/1991CN2080990U Driver for rotary engine
07/11/1991WO1991010052A1 Rotary internal combustion engine
07/11/1991DE4000051A1 Rotary action IC engine - has rotor executing circular movement and containing three hinged piston units
07/10/1991CN1052924A Internal combustion engine with swing piston
06/1991
06/27/1991DE4037541A1 Diesel engine using hydrogen or hydrogen and petrol fuel - uses steam turbine coupled to generator and electrolysis device for hydrogen and oxygen generation
06/25/1991US5025756 Internal combustion engine
06/19/1991CN2079219U Four-stork rotary internal-combustion engine
06/18/1991US5024590 Rotary engine of the type having a planetary rotor with rotor and shaft equal rotation
06/18/1991US5024192 Variable compression ratio internal combustion rotating engine
06/11/1991US5022366 Rotary engine with dual spark plugs and fuel injectors
05/1991
05/22/1991EP0428305A1 Oscillatory rotating engine
05/22/1991CN1051610A Double-cylinder engine
05/16/1991WO1991006747A1 A rotary fluid engine
05/08/1991CN2076607U Engine
05/02/1991EP0217813B1 Rotary piston machine with periodically variable rotation speeds
05/02/1991DE4032630A1 Double rotor multi-fuel combustion engine - arrangement of vane cell rotors in separate housings
05/02/1991DE3941256C1 High compression rotary piston engine - has circulating piston drum with three pistons in circular surrounding casing
05/01/1991CN2076164U Oscillating-shaft engine
05/01/1991CN1051072A 转子发动机 Rotary engine
05/01/1991CN1051071A Rotary engine
05/01/1991CN1051070A Rotary-blade interal-combustion engine
04/1991
04/25/1991DE4039343A1 Free-piston IC engine - has turbocharger system and piston moving in U=shaped channel
04/23/1991US5009206 Rotary internal combustion engine
04/17/1991CN2075258U 回转涡轮发动机 Rotary turbine engine
04/10/1991EP0421263A1 Lubrication control system for rotary piston engine
03/1991
03/27/1991EP0418624A1 Rotary internal combustion engine
03/13/1991EP0416977A1 Rotary combustion engine
03/07/1991WO1991002888A1 Rotating internal combustion engine
02/1991
02/21/1991DE4023299A1 Heat engine with continuous heat supply - has method of controlling compression, and gas throughput
02/20/1991CN1011724B E-shaped rotary polygonal piston engine
02/14/1991DE3926061A1 Rotary oscillating IC engine - has pistons formed on inner and outer rotors and valves and spraying plugs set at internals around periphery
02/13/1991CN1049215A Step type rotary piston engine
02/12/1991WO1991002145A1 Toroidal hyper-expansion rotary engine, compressor, expander, pump and method
02/06/1991CN2070826U Rolling roller engine
01/1991
01/23/1991CN2069927U Rotary-piston engine
01/09/1991CN2069023U Axle-roll engine
01/03/1991DE3939962C1 IC engine constructional system - used set of chambers with ball bearings and hydromechanical transmission
01/02/1991CN1011057B Rotary internal combustion engine
12/1990
12/26/1990CN1048078A Lateral link rod type internal combustion engine
12/26/1990CN1048077A Inertial combustion type engine
12/19/1990CN2067761U Rotary round rotor engine
12/13/1990DE3918814A1 Gear motor using compressed pneumatic medium - has gear pair in sealed housing, each gear having two axially moving gear rings
12/12/1990CN1047720A Combustion engine with baffle plate rotary-piston
12/06/1990DE3918303A1 Rotary IC engine made of ceramic - has rotor with two or more lobes which rotate in cylindrical housing
11/1990
11/28/1990CN1010605B Auto-control temp.-retaining hot-surface igniter and method
11/28/1990CN1010603B Supercharging gear internal-combustion engine
11/27/1990US4973233 Four-rotor type rotary piston engine
11/22/1990EP0397996A2 Internal combustion engine
11/20/1990US4971533 Piston of a rotary piston engine
11/20/1990US4971002 Rotary internal combustion engine
11/14/1990CN2065675U Dual-cylinder dual-chamber rotary engine
11/13/1990US4969809 Lubrication system for an eccentric bearing of a rotary piston internal-combustion engine
11/13/1990US4969429 Lube oil control system for turbocharged rotary piston engine
11/07/1990CN1046784A Internal combustion engine with contact-arc rotor
11/06/1990US4967707 Rotary engine
10/1990
10/30/1990US4966102 Compression/combustion assembly
10/24/1990EP0393170A1 Rotary piston engine
10/23/1990US4964275 Multicylinder compound engine
09/1990
09/27/1990DE3909299A1 Pocket disc engine as internal combustion engine
09/25/1990CA1274476A1 Rotary internal combustion engine
09/19/1990CN2062382U High efficient full automatic diesel or gasoline internal combustion engine
08/1990
08/28/1990US4951615 Motion-conversion mechanism for a four stroke oscillating piston internal combustion engine
08/21/1990US4949688 Rotary internal combustion engine
08/09/1990WO1990008886A1 Compression/combustion assembly
08/09/1990WO1990008879A1 Rotary piston internal combustion engine
08/09/1990DE3903197A1 Rotationskolbenverbrennungskraftmaschine Rotary internal combustion piston engine
08/08/1990EP0381639A2 Power conversion machine provided with pistons rotating in a spherical housing
08/08/1990CN1044516A Rotary engine with rolling pistons
08/03/1990CA2044156A1 Compression/combustion assembly
07/1990
07/25/1990CN1044149A Power conversion machine provided with pistons rotating in spherical housing
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