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