| 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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| 02/23/1993 | US5188066 Internal combustion engine |
| 02/18/1993 | WO1993003265A1 Oldham drive engine |
| 02/16/1993 | US5186127 Internal combustion engine with offset connecting journal |
| 01/27/1993 | CN1068396A Compressor assembly |
| 01/19/1993 | US5179839 Alternative charging method for engine with pressurized valved cell |
| 01/13/1993 | EP0522673A2 Compressor unit |
| 01/13/1993 | EP0521969A1 Combustion engine of the piston engine type. |
| 01/12/1993 | US5178119 Combustion process and fuel supply system for engines |
| 01/11/1993 | CA2072269A1 Compressor assembly |
| 01/07/1993 | EP0521836A1 Piston speed control mechanism |
| 12/15/1992 | US5170757 Variable horsepower output gearing for piston engine |
| 11/24/1992 | US5165368 Internal combustion engine with variable compression ratio |
| 11/19/1992 | DE3844740A1 Combustion accelerator for engine burning fuel-air mixt. - generates turbulence in mixt. by propagation of shock wave from electric discharge for boundary layer enlargement |
| 11/11/1992 | EP0512034A1 Crank mechanism |
| 11/10/1992 | US5161378 Rotary internal combustion engine |
| 10/29/1992 | DE4113484A1 Method of improving efficiency of IC engine - involves mixing combustion air with water and ionised oxygen@ |
| 10/29/1992 | DE4113098A1 Zylinder mit einem kolbenaufbau, der jedesmal anhalten kann, wenn er sich einmal nach oben und unten bewegt hat Cylinder with a piston build-up which can stop whenever he moves once up and down |
| 10/27/1992 | US5158047 Delayed drop power stroke internal combustion engine |
| 10/20/1992 | US5156121 Piston-connecting rod assembly |
| 10/15/1992 | WO1992017693A1 Dual compression and dual expansion internal combustion engine and method therefor |
| 10/14/1992 | EP0507887A1 Arrangement for bearing lubrication and cooling of a hydrodynamic coupling. |
| 10/14/1992 | EP0507834A1 Flywheel attachment. |
| 09/24/1992 | DE4101299A1 Pneumatic motor actuation system - uses working cylinders with pressure expansion chambers and transformer chambers, to store energy during working |
| 09/15/1992 | US5146884 Engine with an offset crankshaft |
| 09/01/1992 | US5143029 Two cycle internal combustion hydrocycle engine |
| 09/01/1992 | US5142868 Turbocompound engine with power turbine bypass control |
| 09/01/1992 | US5142867 Compound turbo-drive for an internal-combustion engine |
| 08/20/1992 | WO1992014046A1 System for controlling revolution frequency of prime mover in hydraulically driven vehicle |
| 08/18/1992 | US5138840 Power transmission apparatus for internal combustion engine including supercharger |
| 08/12/1992 | EP0333704B1 Method for providing an improved combustion in processes of combustion containing hydrocarbon compounds |
| 08/05/1992 | WO1992014043A1 Combustion enhancement system |
| 08/05/1992 | CA2083266A1 Combustion enhancement system |
| 07/28/1992 | US5133305 Internal combustion engine having rotary engine body |
| 07/23/1992 | WO1992012337A1 Engine with variable compression ratio |
| 07/02/1992 | DE4042230A1 Sectional connecting rod for combustion engine machine - has frame with large and small bearing heads, bridges and tension flanges, with bearing boxes |
| 07/01/1992 | EP0493135A1 Internal combustion engines |
| 06/21/1992 | CA2032794A1 Internal combustion steam engine |
| 06/11/1992 | WO1992009800A1 Energy extraction from the inlet air of an internal combustion engine |
| 06/11/1992 | WO1992009797A1 Turbocompound engine with power turbine bypass control |
| 06/09/1992 | US5120372 Aluminum casting alloy for high strength/high temperature applications |
| 06/09/1992 | US5119633 Power turbine bypass for improved compression braking |
| 06/02/1992 | US5117788 Apparatus for control of pressure in internal combustion engines |
| 05/26/1992 | US5115770 Copper, manganese, zirconium, vanadium, piston for internal combustion engine |
| 05/13/1992 | EP0485068A1 Aluminum casting alloy |
| 05/13/1992 | EP0446232A4 Rotary internal combustion engine |
| 05/06/1992 | EP0483142A1 Four dead centers crank mechanism. |
| 05/05/1992 | US5109666 Solid fuel combustion device and a compressor |
| 04/14/1992 | US5103645 Internal combustion engine and method |
| 04/09/1992 | DE4125275A1 Environmentally friendly IC engine - has total expansion filling of fuel and oxygen ignited shortly before TDC |
| 04/08/1992 | EP0478656A1 Arrangement at an internal combustion engine. |
| 04/01/1992 | EP0477579A2 Power turbine bypass for improved compression braking |
| 03/31/1992 | CA1298348C Exhaust gas turbine powered electric generating system |
| 03/26/1992 | DE4030221A1 Converter for stroke into rotary movement - transmits shaft rotation to drive with cam-shaped gears with variable gear ratio |
| 03/17/1992 | US5095869 Apparatus for control of pressure in internal combustion engines |
| 03/04/1992 | EP0473258A2 Internal combustion engine and a method of operating same |
| 02/25/1992 | US5090967 Method and composition for providing an improved combustion in processes of combustion containing hydrocarbon compounds |
| 02/25/1992 | US5090372 Rotary internal combustion engine |
| 02/20/1992 | WO1992002719A1 Two and four stroke compound diesel engines with cvt drive |
| 02/20/1992 | WO1992002600A1 Novel hydrocarbon fuel and fuel systems |
| 02/04/1992 | US5085179 Double poppet valve apparatus |
| 01/28/1992 | US5083532 Mechanism for variable compression ratio axial engines |
| 01/23/1992 | WO1992001147A1 A monitoring arrangement for a turbo compound engine system |
| 01/21/1992 | US5081964 Crankless internal combustion engine |
| 01/16/1992 | DE4021931A1 Heat-insulated piston-engine - has combustion piston with hollow ceramic crown working inside annular one |
| 01/16/1992 | DE4021774A1 Otto cycle or diesel IC-engine - has exhaust leading to variable output positive-displacement machine |
| 01/14/1992 | US5079913 Turbocharger compound engine system |
| 01/02/1992 | EP0463818A1 Internal combustion engine and method |
| 12/31/1991 | US5076220 Internal combustion engine |
| 12/17/1991 | US5072589 Internal combustion engine having multiple expansion and compression |
| 12/12/1991 | WO1991019087A1 Piston-connecting rod assembly |
| 12/12/1991 | WO1991019084A1 Split cycle internal combustion engine |
| 12/12/1991 | DE4018524A1 Piston IC engine with double piston - has second piston which operates in central bore of main piston |
| 12/10/1991 | US5070835 Internal combustion engine with two-stage combustion chamber |
| 11/26/1991 | US5067456 Hypocycloid engine |
| 11/19/1991 | CA1292124C Energy recovery apparatus for turbo compound engine |
| 11/14/1991 | DE4014692A1 Four-stroke cycle IC engine - has geometrical expansion stroke greater than geometrical compression stroke |
| 11/14/1991 | DE4007032A1 Engine bore and stroke extension on piston underside - provides additional source of clean air to combustion chamber, causing secondary combustion and oxidation of noxious emissions |
| 10/31/1991 | DE4013915A1 Stroke piston IC engine - has eccentric thrust crank, with thrust axis of piston power transmission point at opposite to rotation direction by predetermined extent |
| 10/29/1991 | US5060609 Internal combustion engine |
| 10/29/1991 | US5060603 Internal combustion engine crankdisc and method of making same |
| 10/22/1991 | US5058536 Variable-cycle reciprocating internal combustion engine |
| 10/15/1991 | US5056471 Internal combustion engine with two-stage exhaust |
| 10/09/1991 | EP0450509A1 Internal combustion engine with at least an exhaust port in the cylinder |
| 10/03/1991 | WO1991014860A1 Controlled variable compression ratio internal combustion engine |
| 10/01/1991 | US5052356 Method for control of pressure in internal combustion engines |
| 09/24/1991 | US5050384 Two-stroke cycle internal combustion engine |
| 09/19/1991 | DE4020854A1 Energy reclamation for IC engine exhaust - has exhaust gas driven turbine coupled to vehicle transmission |
| 09/18/1991 | EP0446232A1 Rotary internal combustion engine |
| 09/17/1991 | WO1991014086A1 Combustion engine of the piston engine type |
| 09/17/1991 | CA2078342A1 Combustion engine of the piston engine type |
| 09/11/1991 | CN1054473A 内燃机 Internal combustion engine |
| 08/28/1991 | EP0314773B1 Driving or working engine, in particular an internal combustion engine |
| 08/22/1991 | DE4004806A1 Four stroke internal combustion engine - has inlet valve timing arranged to reduce length of compression stroke |
| 08/20/1991 | US5040502 Crankless internal combustion engine |
| 07/23/1991 | WO1991010848A1 Crank mechanism |
| 07/23/1991 | US5033269 Motor for a vehicle |
| 07/23/1991 | CA2073457A1 Crank mechanism |
| 07/11/1991 | WO1991010076A1 Arrangement for bearing lubrication and cooling of a hydrodynamic coupling |
| 07/11/1991 | WO1991010051A1 Device for varying the combustion chamber of a four-stroke engine |
| 07/11/1991 | WO1991010049A1 Flywheel attachment |