| 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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| 05/10/1989 | EP0314773A1 Driving or working engine, in particular an internal combustion engine. |
| 04/20/1989 | DE3832250A1 Double crankshaft |
| 04/05/1989 | EP0309508A1 Crank mechanism. |
| 03/28/1989 | US4815282 Turbocharged compund cycle ducted fan engine system |
| 03/07/1989 | US4809503 Solid fuel bar combustion device and a compressor |
| 02/28/1989 | US4807579 Turbocompounded two-stroke piston engines |
| 02/28/1989 | US4807577 Peristrophic internal combustion engine assembly and multi-part pistons |
| 02/21/1989 | US4805571 Internal combustion engine |
| 02/21/1989 | US4805409 Method of and apparatus for recovering exhaust gas energy of internal combustion engine |
| 02/16/1989 | DE3725623A1 Two=stroke IC engine, for vehicles - has part cylinder on either side of engine cylinder, for precompression and second expansion |
| 02/15/1989 | CN1031124A Turbo compound engine |
| 02/01/1989 | EP0302042A1 Six-stroke internal combustion engine |
| 02/01/1989 | EP0301547A2 Turbo compound engine |
| 01/31/1989 | US4800853 Adiabatic internal combustion engine |
| 01/31/1989 | US4800726 Turbo compound engine |
| 01/26/1989 | DE3723599A1 Method for the operation of a multicylinder four-stroke diesel engine of a compound internal combustion engine |
| 01/24/1989 | US4799868 Compressor/pump |
| 01/17/1989 | US4798257 Energy recovery apparatus for turbo compound engine |
| 01/17/1989 | US4798184 Extended expansion diesel cycle engine |
| 01/17/1989 | CA1248766A1 Turbocompound engine having power turbine output connected to the timing gear |
| 01/10/1989 | US4797070 Displacement compressor for supercharging of combustion engines |
| 01/04/1989 | EP0297287A1 Turbo compound engine |
| 12/29/1988 | DE3819646A1 Internal combustion engine with a machine as power control element |
| 12/14/1988 | EP0294369A1 Internal combustion engine |
| 12/07/1988 | EP0294146A1 Exhaust energy recovery apparatus for engine |
| 12/01/1988 | DE3716599A1 Method and machine for recovery of waste heat and its harnessing as thermal power in piston heat engines |
| 11/30/1988 | EP0292603A1 Prime mover, particularly an internal combustion engine |
| 11/24/1988 | DE3715796A1 Fuel-Injection and Spraying System for 2-Stroke, 2-Cylinder and Multi-Cylinder Engines |
| 11/24/1988 | DE3715750A1 Internal-Combustion Engine |
| 11/22/1988 | US4785631 Waste-heat turbine unit |
| 11/17/1988 | WO1988008922A1 Driving or working engine, in particular an internal combustion engine |
| 11/15/1988 | US4783966 Multi-staged internal combustion engine |
| 11/09/1988 | EP0289702A2 Internal-combustion engine with a turbo compressor and dry sump lubrification |
| 11/03/1988 | DE3729117C1 Internal combustion engine system |
| 10/27/1988 | DE3711863A1 Multiple-engine installation for ships |
| 10/20/1988 | WO1988008095A1 Crank mechanism |
| 10/20/1988 | DE3736527A1 Reciprocating piston machine |
| 10/11/1988 | US4776308 Piston engines |
| 10/06/1988 | WO1988007620A1 Reciprocating piston engine |
| 09/28/1988 | EP0284430A2 A reciprocal internal combustion engine |
| 09/14/1988 | CN87108333A Crank driving mechanism, especially used in reciprocating piston engine |
| 09/06/1988 | US4768344 Circulatory expander for utilizing waste energy of a heat engine |
| 09/01/1988 | DE3705310A1 Exhaust turbine generator unit |
| 08/30/1988 | US4766729 Apparatus for transmitting power obtained by converting the exhaust energy of an engine |
| 08/17/1988 | EP0131000B1 Internal combustion engine |
| 08/11/1988 | WO1988005862A1 Variable-cycle reciprocating internal combustion engine |
| 08/10/1988 | CN87105562A Improved ic engine and operating method |
| 08/09/1988 | US4761956 Positive displacement supercharger using the exhaust gases of an internal combustion engine |
| 08/03/1988 | EP0276236A1 Ignition-controlled mixed combustion cycle engine |
| 07/26/1988 | US4759319 Internal combustion engine |
| 07/26/1988 | US4759188 Method for introduction of charging air into the cylinder of an internal combustion engine and an engine for undertaking the method |
| 07/20/1988 | CN87107774A Method and composition for providing improved combustion in processes of combustion containing hydrocarbon compounds |
| 07/12/1988 | US4756377 Energy recovery apparatus for turbo compound engine |
| 06/30/1988 | DE3643830A1 Method for the operation of a compound internal combustion engine and its design for performing the said method |
| 06/29/1988 | EP0272680A2 Turbo compound engine |
| 06/29/1988 | EP0272522A1 Crank gearing for reciprocating piston motor |
| 06/23/1988 | DE3642681A1 Crankshaft, particularly for reciprocating-piston combustion engines |
| 06/16/1988 | WO1988004359A1 Internal combustion engine |
| 06/16/1988 | WO1988004356A1 Crank mechanism, in particular for alternating piston engines |
| 06/16/1988 | DE3641884A1 Crank mechanism, particularly for reciprocating-piston engines |
| 06/09/1988 | DE3640502A1 Crankshaft drive with doubled piston strokes in V-engines and compensating device |
| 06/07/1988 | US4748813 Externally perturbing thermodynamic variables of non-linear reaction |
| 06/07/1988 | US4748812 Turbo compound engine |
| 06/01/1988 | DE3640136A1 Compression device |
| 05/24/1988 | US4745754 Turbo compound engine |
| 05/19/1988 | WO1988003550A1 Method and composition for providing an improved combustion in processes of combustion containing hydrocarbon compounds |
| 05/11/1988 | DE3636873A1 Synchromesh transmission on a hypocycloidal transmission for a reciprocating piston engine |
| 05/10/1988 | US4742683 Turbocompound engine |
| 05/03/1988 | US4741296 Multiple piston expansion chamber engine |
| 04/28/1988 | DE3743565A1 Crankshaft drive with an elliptic running path of the connecting-rod bearing centre point |
| 04/06/1988 | EP0262295A1 Heat recovery turbine |
| 03/22/1988 | CA1234320A1 Air valve for improving the performance of an internal combustion engine |
| 03/16/1988 | EP0259545A1 Propulsion device |
| 03/08/1988 | US4729225 Turbo-charged internal combustion engine with exhaust gas energy recuperation |
| 02/25/1988 | WO1988001343A1 Internal combustion engines and methods of operation |
| 02/25/1988 | WO1988001336A1 Internal combustion engine without pistons |
| 02/23/1988 | CA1233083A1 Internal combustion engine |
| 02/11/1988 | DE3624957A1 Hydraulic free-piston internal combustion engine |
| 02/04/1988 | DE3625051A1 Piston supercharger which can be driven by the exhaust gas pulses of an internal combustion engine |
| 02/03/1988 | EP0254734A1 Turbocompounded two-stroke piston engines |
| 02/02/1988 | US4722309 Internal combustion engine |
| 01/27/1988 | EP0253866A1 Compound engines |
| 01/27/1988 | EP0253865A1 Operating cycles for turbocompounded two-stroke piston engines |
| 01/27/1988 | CN86104529A Pure constant-volume combustion engine |
| 01/26/1988 | US4721073 Compression ratio changing device using an eccentric bearing for an internal combustion engine |
| 01/20/1988 | EP0252970A1 Prime movers and their operating cycles |
| 01/14/1988 | WO1988000284A1 Ignition-controlled mixed combustion cycle engine |
| 01/12/1988 | US4718235 Turbo compound internal combustion engine |
| 01/07/1988 | EP0251883A1 Self-regulating combustion chamber and method for diminishing the residual gas volume of an internal-combustion engine |
| 01/07/1988 | EP0250406A1 Piston engines. |
| 01/05/1988 | US4716870 Rotary internal combustion engine |
| 12/29/1987 | US4715328 Multiple piston expansion chamber engine |
| 12/29/1987 | US4715326 Multicylinder catalytic engine |
| 12/17/1987 | DE3620127A1 Method for driving a reciprocating piston internal combustion engine with different timings for the forward and return stroke of the piston |
| 12/01/1987 | US4709683 Internal combustion engine with a positive displacement supercharger mechanically driven from the engine crankshaft |
| 11/24/1987 | US4708106 Acute angle crankarm transmitting reciprocating motion in a rotary fashion |
| 11/24/1987 | US4708096 Internal combustion engine |
| 11/17/1987 | US4706462 Method for driving an engine |
| 11/11/1987 | EP0245189A2 Proceeding to produce positive inertial effects and a differentiated motor behaviour in internal combustion engines |
| 10/20/1987 | US4700542 Internal combustion engines and methods of operation |