| Patents for F02B 41 - Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power (2,672) |
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| 09/06/1994 | US5343832 Combination rotary internal combustion engine and ducted fan |
| 09/01/1994 | WO1994019590A1 Reciprocating engine having two-stage crank mechanism |
| 09/01/1994 | WO1994019589A1 A power output boosting engine piston |
| 08/30/1994 | US5341771 Internal combustion engine with variable combustion chambers and increased expansion cycle |
| 08/23/1994 | US5341060 Engine with flywheel generator |
| 08/17/1994 | EP0610190A1 Combustion enhancement system |
| 07/20/1994 | EP0507834B1 Flywheel attachment |
| 07/19/1994 | US5329770 Exhaust gas turbine drive system for engine accessories |
| 07/15/1994 | CA2087294A1 Motor |
| 07/06/1994 | EP0604533A1 Internal combustion engine having opposed pistons. |
| 07/05/1994 | US5325824 Split cycle internal combustion engine |
| 06/28/1994 | US5323610 Arrangement for bearing lubrication and cooling of a hydrodynamic coupling |
| 06/23/1994 | WO1994013940A1 Variable horsepower output gearing for piston engine |
| 05/26/1994 | WO1994011625A1 Combination rotary internal combustion engine and ducted fan |
| 05/26/1994 | WO1994011624A1 Engine |
| 05/24/1994 | US5313797 Exhaust gas turbine powered system for transforming pressure into rotative motion |
| 05/18/1994 | EP0597104A1 Oldham drive engine |
| 05/17/1994 | US5312542 Liquid gasoline |
| 05/11/1994 | EP0507887B1 Arrangement for bearing lubrication and cooling of a hydrodynamic coupling |
| 05/10/1994 | US5309779 Four dead centers crank mechanism |
| 04/28/1994 | WO1994009322A1 Process for optimising the combustion mechanism in a combustion plant |
| 04/20/1994 | EP0593090A1 Dual compression and dual expansion internal combustion engine and method therefor |
| 04/20/1994 | EP0593089A1 Dual compression and dual expansion internal combustion engine and method therefor |
| 04/13/1994 | EP0591153A1 Internal combustion engines. |
| 04/13/1994 | CN1085290A A twostroke reciprocating combustion engine |
| 04/06/1994 | EP0589892A1 Piston engine |
| 03/29/1994 | US5297448 For an internal combustion engine |
| 03/16/1994 | CN1024016C Method and composition for providing improved combustion in processes of combustion containing hydrocarbon compounds |
| 03/11/1994 | CA2078855A1 Automotive engine |
| 03/09/1994 | CN1083567A Differential stroke internal combustion engine |
| 03/02/1994 | EP0584427A1 Two cycle internal combustion engine |
| 03/01/1994 | US5289802 Internal combustion engine having opposed pistons |
| 02/25/1994 | EP0680551A4 Dual compression and dual expansion internal combustion engine and methodtherefor. |
| 02/23/1994 | CN1082664A An internal combustion engine |
| 02/22/1994 | US5287701 Autoignition two-stroke internal combustion engine |
| 02/17/1994 | WO1994003716A1 Differential stroke internal combustion engine |
| 02/08/1994 | US5284018 Internal combustion engine with exhaust turbine |
| 02/03/1994 | WO1994002726A1 Internal combustion engine with limited temperature cycle |
| 02/03/1994 | WO1994002723A1 Piston internal-combustion engine |
| 01/20/1994 | DE4231474C1 Supercharged IC engine with user turbine - has exhaust gas conduit downstream of turbocharger fed to turbine in drive connection with engine crankshaft |
| 01/20/1994 | DE4223500A1 Kolbenbrennkraftmaschine Piston internal combustion engine |
| 01/11/1994 | US5277269 Engine revolution speed control device for a hydraulically driven vehicle |
| 01/06/1994 | WO1994000674A1 Method of generating power by closed type volume expanding machine |
| 01/05/1994 | DE4221734A1 Turbocharger system for IC engine of motor vehicle - includes secondary turbocharger with controlled flow by=pass to prevent sudden torque changes |
| 11/30/1993 | US5265562 Internal combustion engine with limited temperature cycle |
| 11/24/1993 | EP0570627A1 Internal combustion engine |
| 11/18/1993 | EP0569630A1 Engine with an offset crankshaft |
| 11/16/1993 | US5261364 Timing apparatus for two-stroke engines |
| 11/16/1993 | US5261238 Internal combustion steam engine |
| 10/28/1993 | WO1993021434A1 Rotary internal combustion engine |
| 10/28/1993 | WO1993021433A1 Internal combustion engine |
| 10/28/1993 | WO1993021422A1 Piston engine |
| 10/28/1993 | WO1993021421A1 Piston engine |
| 10/28/1993 | DE4311865A1 Reciprocating piston engine - has two=part connecting rod, which has top section with forked ends, to carry socket for support of pivot lever |
| 10/06/1993 | EP0563456A1 Combustion engine of high efficiency |
| 09/30/1993 | DE4210030A1 Piston-type IC engine - has cylinder-liner sliding axially in synchronism with piston but for shorter stroke |
| 09/28/1993 | US5247909 Combustion enhancement system |
| 09/22/1993 | CN1076509A Piperazine derivatives |
| 09/21/1993 | US5245962 Variable length connecting rod for internal combustion engine |
| 09/16/1993 | WO1993018319A1 Crank mechanism and machines, especially engines, using same |
| 09/14/1993 | US5243938 Differential stroke internal combustion engine |
| 08/31/1993 | US5239959 Isolated combustion and diluted expansion (ICADE) piston engine |
| 08/31/1993 | US5239958 Delay stroke piston and rod for engine |
| 08/25/1993 | EP0556593A1 Gas turbine plant |
| 08/19/1993 | WO1993016274A1 Internal combustion engine in which suction and exhaust is carried out with the upper portion of piston separated from piston main body |
| 08/17/1993 | CA1321330C Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication |
| 08/10/1993 | USRE34336 Uncooled oilless internal combustion engine having uniform gas squeeze film lubrication |
| 08/10/1993 | US5233948 Variable cycle engine |
| 07/28/1993 | EP0541547A4 Novel hydrocarbon fuel and fuel systems |
| 07/20/1993 | US5228415 Engines featuring modified dwell |
| 07/20/1993 | US5228294 Rotary internal combustion engine |
| 07/15/1993 | DE4241403A1 Gas-generator engine assembly - keeps gas outlet temp. from expansion unit to min. by controlling gas inlet temp. and pressure |
| 06/30/1993 | CN1021469C Multifunctional semi-rotor internal combustion engine |
| 06/29/1993 | US5222355 Flywheel attachment for an internal combustion engine having an exhaust gas turbine geared to the crankshaft |
| 06/23/1993 | EP0531389A4 Split cycle internal combustion engine |
| 06/17/1993 | DE4141051A1 Combustion engine combined with steam turbine - uses heat from exhaust gases to vaporise working fluid for turbine |
| 06/15/1993 | US5218933 Internal combustion engines |
| 06/10/1993 | WO1993011350A1 Internal combustion engine with variable combustion chamber |
| 06/10/1993 | WO1993011348A1 Piston assembly with displaceable piston coupling |
| 06/10/1993 | CA2125039A1 Internal combustion engine with variable combustion chamber |
| 06/03/1993 | CA2056819A1 Piston assembly with pivot-connecting rod |
| 06/01/1993 | US5215051 Modified aspirated internal combustion engine |
| 05/27/1993 | DE4227266A1 Crank guide drive gear for converting linear movement to rotary movement - has guide slit with unequal length outlets proportional to loads applied |
| 05/25/1993 | US5214333 Engine with flywheel generator |
| 05/25/1993 | US5212996 Crank drive with planetary pivot pin, favourably for piston power engines and machine tools |
| 05/19/1993 | EP0541613A1 Two and four stroke compound diesel engines with cvt drive |
| 05/19/1993 | EP0541547A1 Novel hydrocarbon fuel and fuel systems |
| 05/19/1993 | DE4137705A1 Operating method for IC engine - involves staged piston limiting two separated combustion or compression chambers in a single cylinder |
| 05/18/1993 | US5211138 Rotary internal combustion engine |
| 05/13/1993 | WO1993009337A1 An internal combustion engine |
| 05/12/1993 | EP0541291A1 Internal combustion engine |
| 05/04/1993 | CA1317125C Crankshaft assembly for variable stroke engine for variable compression |
| 04/06/1993 | US5199262 Compound four stroke internal combustion engine with crossover overcharging |
| 03/23/1993 | US5195469 Controlled variable compression ratio internal combustion engine |
| 03/18/1993 | WO1993005290A1 Internal combustion engine having opposed pistons |
| 03/17/1993 | EP0531389A1 Split cycle internal combustion engine |
| 03/16/1993 | US5193493 Internal combustion engine with piston valving |
| 03/03/1993 | EP0529638A1 Reciprocating engine of a spark ignition type |
| 03/02/1993 | US5189993 In-line three cylinder combustion engine |
| 02/24/1993 | EP0528042A1 System for controlling revolution frequency of prime mover in hydraulically driven vehicle |