| 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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| 09/07/2004 | US6786189 Internal combustion engine |
| 09/01/2004 | EP1451456A1 Integral air compressor for boost air in barrel engine |
| 08/26/2004 | US20040163619 Homogenous charge compression ignition and barrel engines |
| 08/26/2004 | DE10306457A1 Operating method for an internal combustion engine (ICE) uses a cooling substance to absorb part of energy released in the ICE's combustion chamber during combustion of a specific amount of fuel |
| 08/19/2004 | US20040159291 Reciprocating internal combustion engine |
| 08/12/2004 | WO2004067929A1 Two stroke engine with valve distribution system |
| 08/05/2004 | US20040149243 Variable stroke engine |
| 07/28/2004 | EP1440229A1 An internal combustion engine with steam expansion stroke |
| 07/22/2004 | US20040139934 Internal combustion engine with regenerator, hot air ignition, and supercharger-based engine control |
| 07/21/2004 | EP1360403B1 Motor with rotary connecting rod bolt |
| 07/20/2004 | US6763796 Internal combustion engine |
| 07/15/2004 | DE10261677A1 Internal combustion engines of known build types has crank drive designed so that crank gear consists of at least two crank units which through conditional upon coupling via power transmission can effect operation with unequal RPM |
| 07/01/2004 | US20040123821 Eight-stroke internal combustion engine utilizing a slave cylinder |
| 07/01/2004 | DE202004004502U1 Combined internal combustion engine and hydrogen extractor for water has injected fuel-air or fuel water mix in heat exchange with exhaust |
| 06/30/2004 | EP1105635A4 Dual-cylinder expander engine and combustion method with two expansion strokes per cycle |
| 06/24/2004 | WO2001059329A9 Hypocycloid engine |
| 06/24/2004 | DE20220888U1 Turbo drive unit has combustion engine and exhaust gas turbine which is electrically connected to the crankshaft |
| 06/23/2004 | CN1506568A Eddy current supercharging method and unit for internal combustion engine |
| 06/17/2004 | US20040112054 Exhaust turbine apparatus |
| 06/16/2004 | CN1504632A Parallel connection and multiplex system system for internal combustion engine |
| 06/09/2004 | EP1426585A1 Variable stroke engine |
| 06/09/2004 | EP1012461A4 Internal combustion engine with variable compression ratio |
| 06/09/2004 | CN1502799A Stroke changeable engine |
| 05/27/2004 | US20040099887 Engine that captures additional power from wasted energy |
| 05/26/2004 | EP1421270A1 Turbocompound internal combustion engine arrangement |
| 05/26/2004 | CN1499054A Self-adaptive differentiator of gathering and feeding back reciprocal dynamic force |
| 05/26/2004 | CN1499053A Internal-combustion engine with main and auxiliary strokes |
| 05/13/2004 | DE10349164A1 Controller for internal combustion engine with turbocharger with generator, has device for determining amount of electrical power produced by generator based on exhaust gas cleaning device temperature |
| 05/12/2004 | EP1417403A1 Split four stroke cycle internal combustion engine |
| 05/11/2004 | US6732682 Control system and method for an internal combustion engine |
| 05/06/2004 | DE20220662U1 Turbo drive unit has exhaust gas turbine with a two wheeled hydrodynamic unit connected to the crankshaft, e.g. for use in vehicle |
| 04/28/2004 | CN1492132A Steam type turbine booster system |
| 04/27/2004 | US6726457 Compressor with supercharged inlet |
| 04/22/2004 | US20040074455 Method and apparatus for active control of combustion rate through modulation of heat transfer from the combustion chamber wall |
| 04/21/2004 | EP1409861A1 Rotary internal combustion engine |
| 04/20/2004 | US6722322 Internal combustion engine |
| 04/20/2004 | US6722127 Split four stroke engine |
| 04/15/2004 | US20040068986 Drive unit with an internal combustion engine and an exhaust gas turbocharger |
| 04/08/2004 | WO2004029481A1 Power transmission apparatus |
| 04/08/2004 | DE4020854B4 Verbrennungskraftmaschine Internal combustion engine |
| 04/07/2004 | EP1404952A1 Exhaust turbine apparatus |
| 03/25/2004 | US20040055557 Motor with rotary connecting rod bolt |
| 03/25/2004 | DE10243061A1 Compound motor for aircraft comprises a reciprocating combustion machine for the high pressure-high temperature part of the thermodynamic circulation, and a planetary rotation machine for the low pressure part of the circulation process |
| 03/25/2004 | DE10240929A1 Asymmetrical crank mechanism for internal combustion engines of the four- or two-stroke diesel engine type and the four- or two-stroke Otto engine type comprises a connecting rod foot describing an asymmetrical orbit |
| 03/18/2004 | US20040050347 Piston motion modifiable internal combustion engine |
| 03/18/2004 | US20040050046 Split four stroke engine |
| 03/17/2004 | EP1398482A1 Supercharged engine having optimised torque at low engine speed |
| 03/11/2004 | WO2003040530A3 Split four stroke engine |
| 03/11/2004 | US20040045292 Vehicle driving device |
| 03/02/2004 | US6698394 Homogenous charge compression ignition and barrel engines |
| 03/02/2004 | US6698393 Crankshaft phase adjustment structure |
| 02/26/2004 | US20040035385 Single-ended barrel engine with double-ended, double roller pistons |
| 02/26/2004 | DE20318861U1 Engine accelerator is installed in exhaust pipe from cylinder and consists of hollow component with constriction creating forward and rear inner chamber, each having conical wall with diameter increasing from inside outwards |
| 02/11/2004 | CN1474915A Power transmission apparatus |
| 02/10/2004 | CA2157991C Crank mechanism system for the transformation of reciprocating linear motion into rotary motion, particularly suitable for reciprocating endothermic engines |
| 01/29/2004 | WO2004009977A1 Intercooling and heat-regenerating two-stroke engine |
| 01/29/2004 | DE10233066A1 Dieselmotor mit Minderung des spezifischen Kraftstoffverbrauchs Diesel engine with reduction in specific fuel consumption |
| 01/27/2004 | US6681575 Turbocompound internal combustion engine |
| 01/22/2004 | US20040011307 Variable stroke engine |
| 01/22/2004 | DE10230836A1 Epitrochoidengesteuerter Hubkolben zur Zeitdehnung des Arbeitstaktes von Brennkraftmaschinen Epitrochoidengesteuerter reciprocating currently elongation of the working cycle of internal combustion engines |
| 01/22/2004 | DE10226672B3 Kurbeltrieb, insbesondere für Hubkolben-Brennkraftmaschinen Crank drive, in particular for reciprocating piston internal combustion engines |
| 01/06/2004 | US6672270 Fuel efficient valve mechanism for internal combustion engines |
| 01/02/2004 | EP1375875A1 Method of operating reciprocating internal combustion engines, and system therefor |
| 12/31/2003 | WO2004001206A1 Internal-combustion engine with separate and optimized compression, combustion and expansion stroke |
| 12/30/2003 | US6668809 Stationary regenerator, regenerated, reciprocating engine |
| 12/24/2003 | CN1463325A Operation method and system of reciprocating I.C. engine |
| 12/18/2003 | WO2003104666A1 Crankshaft drive, in particular for reciprocating engines |
| 12/18/2003 | US20030230257 Engine |
| 12/17/2003 | CN1461876A Large superchared explosive motor |
| 12/16/2003 | US6662775 Integral air compressor for boost air in barrel engine |
| 12/11/2003 | WO2003102382A1 Valve mechanism for internal combustion engine |
| 12/11/2003 | US20030228237 Gerotor apparatus for a quasi-isothermal Brayton Cycle engine |
| 12/04/2003 | US20030221657 Internal combustion engine with a combustion chamber |
| 12/04/2003 | US20030221652 Fuel efficient valve mechanism for internal combustion engines |
| 11/27/2003 | WO2003098017A1 Reciprocating internal combustion engine |
| 11/26/2003 | CN2588060Y Diesel engine for car |
| 11/19/2003 | CN1456794A IC engine with novel combustion chamber |
| 11/12/2003 | EP1360403A2 Motor with rotary connecting rod bolt |
| 11/05/2003 | EP1359303A2 Variable stroke engine |
| 11/05/2003 | CN2584838Y Turbocharging dynamic module of marine diesel |
| 11/04/2003 | US6640779 Low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution controlled |
| 11/04/2003 | US6640543 Internal combustion engine having variable displacement |
| 10/29/2003 | EP1357281A2 Internal combustion engine with a combustion chamber |
| 10/29/2003 | EP0938625B1 Improved internal combustion engine and working cycle |
| 10/29/2003 | CN1451859A Changeable stroke engine |
| 10/26/2003 | CA2426590A1 New internal combustion engine with a new combustion chamber |
| 10/23/2003 | WO2003087557A1 Internal combustion engine |
| 10/23/2003 | WO2003087553A1 Four-stroke rotary internal-combustion engine |
| 10/23/2003 | US20030196614 Internal combustion engine |
| 10/22/2003 | EP1355051A2 Energy recovery system |
| 10/22/2003 | EP1101024B1 Gerotor compressor and gerotor expander |
| 10/16/2003 | US20030192491 Almost zero combustion chamber |
| 10/15/2003 | CN1124402C A low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution controlled |
| 10/09/2003 | US20030188700 Method of operating reciprocating internal combustion engines, and system therefor |
| 10/07/2003 | US6629487 High efficiency non polluting engine |
| 10/01/2003 | CN1445445A 发动机 Engine |
| 09/24/2003 | EP1347159A2 Engine |
| 09/23/2003 | US6622471 Method for driving a combustion motor as well as a combustion motor |
| 09/18/2003 | WO2003076806A1 The ununiform rotary transmission and control method which is using the pump and compressor and internal combustion engine |
| 09/18/2003 | WO2003076779A1 Gas turbine engine system |