| Patents for F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing (11,427) |
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| 10/22/1997 | EP0802318A2 Control system and control process in an internal combustion engine |
| 10/22/1997 | EP0802316A2 Air/fuel ratio estimation system for internal combustion engine |
| 10/22/1997 | EP0802313A2 Integrated engine dilution control |
| 10/21/1997 | US5679094 Engine cylinder valve control system |
| 10/21/1997 | US5678515 For an engine |
| 10/16/1997 | WO1997038222A1 A method for switching a combustion engine and such combustion engine |
| 10/16/1997 | WO1997037868A1 Vehicle transmission control and engine operating modes |
| 10/15/1997 | EP0801212A1 Engine variable valve timing mechanism |
| 10/14/1997 | US5676112 Method and arrangement for controlling an internal combustion engine |
| 10/14/1997 | US5676102 Engine |
| 10/14/1997 | US5676099 Multicylinder internal combustion engine and method of operating same |
| 10/08/1997 | EP0799992A1 Decompressor for an internal combustion engine |
| 10/08/1997 | EP0799977A1 Variable valve timing mechanism for internal combustion engine |
| 10/01/1997 | EP0798453A1 Gas engine with pre-combustion chamber |
| 09/30/1997 | US5671708 Engine |
| 09/30/1997 | US5671705 Control system for two opposed solenoid-type electromagnetic valve |
| 09/23/1997 | US5669341 Valve operating system for internal combustion engine |
| 09/16/1997 | US5666931 Integrated engine dilution control |
| 09/16/1997 | US5666919 Engine |
| 09/16/1997 | US5666916 Apparatus for and method of controlling internal combustion engine |
| 09/12/1997 | WO1997033079A1 A combustion engine |
| 09/10/1997 | EP0793769A1 Variable valve lift mechanism for internal combustion engine |
| 09/10/1997 | EP0636205B1 Valve control mechanism |
| 09/09/1997 | US5664529 For an engine |
| 09/09/1997 | US5664528 Valve timing control apparatus with a restricting means |
| 09/02/1997 | US5662088 Engine |
| 09/02/1997 | US5662074 Exhaust port timing control apparatus for two-cycle engine |
| 08/28/1997 | DE19641068A1 Rocker arm for valve control in piston pumps and internal combustion engines |
| 08/27/1997 | EP0791735A1 Vehicle driving unit with related control method |
| 08/27/1997 | EP0730706B1 Method for improving the operation of an air-scavenged supercharged heat engine, and heat engine therefor |
| 08/26/1997 | US5660152 Exhaust control valve for engine |
| 08/21/1997 | DE19606054A1 Valve drive for internal combustion engine |
| 08/13/1997 | EP0789138A1 Two stroke engine having a control means for the valve movement |
| 08/12/1997 | US5655499 Decompression braking apparatus for diesel engine |
| 08/12/1997 | US5655488 Dual event valve control system |
| 08/06/1997 | EP0787892A1 A system for just-in-time scheduling of variable camshaft timing |
| 08/06/1997 | CN1156215A Method and apparatus for self combustion riciprocating piston IC engine |
| 07/30/1997 | EP0786587A1 Suction device for a supercharged engine |
| 07/24/1997 | WO1997026447A1 Method and apparatus for controlling valve mechanism of engine |
| 07/24/1997 | DE19701482A1 Control system for IC engine of motor vehicle |
| 07/23/1997 | EP0785343A1 Internal combustion engine |
| 07/23/1997 | EP0784736A1 Electronic controls for compression release engine brakes |
| 07/23/1997 | EP0605672B1 Engine braking utilizing unit valve actuation |
| 07/17/1997 | WO1997025525A1 Reducing the light-off time of a catalytic converter |
| 07/17/1997 | DE19600535A1 Clearance eliminator for variable lift inlet valve system |
| 07/16/1997 | EP0783620A1 Compact combined lash adjuster and reset mechanism for compression release engine brakes |
| 07/15/1997 | US5647319 Decompression braking apparatus for diesel engine |
| 07/15/1997 | US5647318 Engine compression braking apparatus and method |
| 07/15/1997 | US5647312 Four-stroke Otto engine having hybrid control |
| 07/10/1997 | DE19624230C1 Valve control for internal combustion engines |
| 07/09/1997 | EP0782662A1 Hydraulic circuits for compression release engine brakes |
| 07/08/1997 | US5645030 Motorbrake for a diesel engine |
| 07/02/1997 | EP0781912A2 Apparatus for determining malfunctioning of fuel injection control system |
| 07/02/1997 | EP0781907A1 Method and device for operating an auto-igniting piston engine |
| 07/02/1997 | CN1153252A Overhead-cam engine |
| 07/01/1997 | US5644073 Diagnostic system for variable valve timing control system |
| 07/01/1997 | US5642703 Internal combustion engine with intake and exhaust camshaft phase shifting for cylinder deactivation |
| 07/01/1997 | US5642692 Valve control mechanism |
| 06/26/1997 | WO1997022789A1 Device for regulating the engine braking power of an internal combustion engine |
| 06/19/1997 | DE19546652A1 Collision protection system for motor vehicle |
| 06/19/1997 | DE19546453A1 Inlet valve for four-stroke engines with fuel injection |
| 06/18/1997 | EP0779427A2 Method and apparatus for individually activating and disactivating cylinders of a multi-cylinder combustion engine |
| 06/18/1997 | CN1035206C Internal combustion engine with supercharger |
| 06/17/1997 | US5638781 Hydraulic actuator for an internal combustion engine |
| 06/11/1997 | EP0777822A1 Infinitely variable engine compression breaking control and method |
| 06/11/1997 | EP0777821A1 Engine compression braking apparatus and method utilizing a variable geometry turbocharger |
| 06/10/1997 | US5636609 Variable cylinder-operation controlled internal combustion engine |
| 06/04/1997 | EP0777038A2 Control system for internal combustion engines |
| 06/03/1997 | US5635634 Method for calculating the air charge for an internal combustion engine with variable valve timing |
| 06/03/1997 | US5634447 Electronic fuel injection augmentation of an engine compression brake |
| 06/03/1997 | US5634446 Cruise control based retarder control |
| 05/28/1997 | EP0775251A1 Exhaust valve mechanism in an internal combustion engine |
| 05/27/1997 | US5632249 Air flow control device of engine |
| 05/22/1997 | WO1997018384A1 Improvements in combustion engines |
| 05/21/1997 | EP0774052A1 Engine compression braking apparatus and method |
| 05/21/1997 | EP0774051A1 Engine compression braking apparatus and method |
| 05/21/1997 | EP0719379A4 Variable valve lift mechanism for internal combustion engine |
| 05/15/1997 | DE19646065A1 Gas exchange valve timing device for internal combustion engine |
| 05/13/1997 | US5628286 Valve timing control apparatus for engine |
| 05/07/1997 | DE19645064A1 Motor vehicle IC engine control system with improved catalytic converter exhaust gas cleaning efficiency |
| 05/06/1997 | US5626116 Dedicated rocker lever and cam assembly for a compression braking system |
| 05/06/1997 | US5626109 Valve timing control apparatus for engine |
| 05/06/1997 | US5626108 Abnormality detecting apparatus for internal combustion engine |
| 04/29/1997 | US5623904 Air-assisted fuel injection system |
| 04/29/1997 | US5623896 Valve timing control apparatus for engine |
| 04/29/1997 | US5623895 Scavenge control system for a v-type crankcase |
| 04/23/1997 | EP0663042B1 Four-stroke petrol engine with hybrid control |
| 04/22/1997 | US5622144 System for operating internal combustion engine |
| 04/17/1997 | DE19642007A1 Cylinder valve actuating system for internal combustion engines |
| 04/15/1997 | US5619964 Actuator with concentric parts for use in engine retarding systems |
| 04/15/1997 | US5619963 Dual force actuator for use in engine retarding systems |
| 04/10/1997 | WO1997013063A1 Control device for an internal combustion engine |
| 04/03/1997 | WO1997012127A1 Valve timing for four stroke internal combustion engines |
| 04/02/1997 | EP0765436A1 Arrangement for regulating the engine braking effect of a combustion engine |
| 04/01/1997 | US5615653 Infinitely variable engine compression braking control and method |
| 04/01/1997 | US5615647 For an internal combustion engine |
| 03/27/1997 | WO1997011260A1 Turbocharged internal combustion engine having improved intake valve control means |
| 03/27/1997 | DE19534878A1 Timing control marking for IC piston engine |
| 03/27/1997 | DE19534876A1 Timing control for IC engine |
| 03/26/1997 | EP0764770A2 Internal combustion piston engine with at least one cylinder |