Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02D - Controlling combustion engines › F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
Patents for F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing (11,427)
09/1992
09/10/1992DE4106918A1 Multi-cylinder IC engine - has throttle in connection between two exhaust tubes, upstream of catalytic converter
09/03/1992WO1992014919A1 Engine operation using fully flexible valve and injection events
09/03/1992CA2073329A1 Engine operation using fully flexible valve and injection events
09/01/1992US5143038 Internal combustion engine with delayed charging
09/01/1992US5143037 Variable cam engine
09/01/1992US5143031 Process and an arrangement for influencing the timing periods of an internal-combustion engine
09/01/1992US5143030 Variable cam engine
08/1992
08/25/1992US5140955 Method of controlling an internal combustion engine
08/20/1992WO1992014044A1 One-cycle engine
08/20/1992DE4104872A1 Throttle-free load control for Otto engine - using two inlet valves per cylinder operated by two cam shafts
08/18/1992US5138989 Internal combustion engine with two or more inlet valves per engine cylinder
08/11/1992US5136989 Two-stroke cycle internal combustion engine
08/04/1992US5134850 Exhaust system of an internal combustion engine
07/1992
07/28/1992US5133310 Intake and exhaust control apparatus for internal combustion engines
07/22/1992EP0494940A1 Device to reduce gas exchange losses of an internal combustion engine
07/21/1992US5131365 Piston type IC engine with swing type inlet valve
07/21/1992US5131354 Method of operating a two-stroke-cycle engine with variable valve timing in a four-stroke-cycle mode
07/08/1992EP0493634A1 Electromagnetic valve control system
06/1992
06/30/1992US5125370 Control system for electromagnetically driven valve
06/23/1992US5124598 Intake/exhaust valve actuator
06/23/1992US5123397 Vehicle management computer
06/23/1992US5123388 Otto-cycle engine
06/17/1992EP0490464A1 Internal combustion engine and a method of operating same
06/16/1992US5121723 Engine brake control apparatus and method
06/11/1992WO1992009792A1 Internal combustion engine with compressor function
06/09/1992US5119785 Intake apparatus for multi-valve engine
06/09/1992US5119784 Engine control system for multi-valve engine
06/02/1992US5117790 Engine operation using fully flexible valve and injection events
05/1992
05/26/1992US5115782 Method for controlling a spark-ignition engine without a throttle flap
05/13/1992EP0485231A1 Electromagnetic valve actuating system
05/12/1992US5111778 Auxiliary exhausting device
05/06/1992EP0484206A1 Method for reducing noxious components in exhaust gases and engine for use therewith
05/06/1992EP0483243A1 Modular position controller for variable valve timing.
05/06/1992EP0483192A1 Autocalibration of camshaft phasing feedback in a variable valve timing system.
04/1992
04/29/1992EP0482662A1 A two cycle internal combustion engine
04/28/1992US5107801 Electromagnetic auxiliary exhausting device
04/21/1992US5105784 Rotary valve and system for duration and phase control
04/16/1992WO1992006282A1 Improvements in or relating to driving connections between two rotatable bodies
04/14/1992US5103780 Valve timing control system for internal combustion engine
03/1992
03/25/1992EP0322407B1 Reciprocatory machines
03/18/1992EP0371970B1 two-cycle engine
03/17/1992US5095859 Sohc type internal combustion engine
03/17/1992US5095856 Electromagnetic valve actuating system
03/12/1992DE4028442A1 Operating valve controlled reciprocating piston IC engine - monitoringcamshaft to detect phase shift w.r.t. engine timing
03/05/1992WO1992003645A1 Variable flow gas passages
03/04/1992EP0473258A2 Internal combustion engine and a method of operating same
03/04/1992EP0472535A1 Slide exhaust control valve for fuel injected two-stroke cycle engines and process for using same.
03/04/1992EP0472533A1 Rotary exhaust control valve for two-stroke cycle engines and process for using the same.
02/1992
02/27/1992DE4026264A1 IC engine with variable camshaft - produces varying, inlet valve, movement pattern, controlling load without throttle valve
02/25/1992US5090202 Intake system for an internal combustion engine with supercharger
02/18/1992US5088460 Engine brake system for all types of diesel and gasoline engines
02/12/1992EP0470869A1 Internal combustion engine
02/11/1992US5086738 Motor brake for air-compressing internal combustion engines
02/11/1992US5086737 Fuel injection timing control system for an internal combustion engine with a direct fuel injection system
02/05/1992EP0469596A2 Multi-cylinder two cycle internal combustion engine
01/1992
01/30/1992DE4023372A1 Double expansion two=stroke diesel IC engine - has compression and expansion chamber of rectangular cross=section
01/28/1992US5083533 Two-stroke-cycle engine with variable valve timing
01/21/1992US5081963 Reciprocatory machines
01/16/1992DE4109538A1 High-economy two=stroke IC engine - with synchronised fuel injection and outlet valve operation
01/14/1992US5080055 Variable valve timing arrangement for internal combustion engine
12/1991
12/31/1991US5076248 Internal combustion engine with preheating of the intake air, and method of operating the engine
12/31/1991US5076222 Valve control system for internal combustion engine
12/31/1991US5076221 Electromagnetic valve actuating system
12/27/1991EP0462754A1 Cold start by-pass valve
12/26/1991WO1991019889A1 Internal combustion engine and an improved rotary inlet valve for use therewith
12/19/1991CA2044502A1 Cold start by-pass valve
12/18/1991EP0461588A2 Intake apparatus for two cycle engine
12/18/1991EP0461587A2 Motorcycle
12/18/1991CN1015124B Method of controlling closing movement of hydraulically activated exhaust valve in marine diesel engine, and exhaust valve for use in this method
12/17/1991US5072700 Electromagnetic valve control system
12/17/1991US5072699 Internal combustion engine
12/04/1991EP0459964A1 Internal combustion engine with delayed charging
12/04/1991EP0458857A1 A method and a device for engine braking a four stroke internal combustion engine.
12/03/1991US5069422 Electromagnetic force valve driving apparatus
11/1991
11/21/1991EP0457753A1 Two cycles engine
11/14/1991WO1991017348A1 Internal combustion engine
11/12/1991US5063899 Intake system for multi-cylinder internal combustion engine
11/12/1991US5063888 Exhaust control valve system for parallel multi-cylinder two-cycle engine
11/12/1991US5063887 Exhaust control valve system for parallel multi-cylinder two-cycle engine
11/06/1991EP0454941A1 Method and device for modifying engine valve timing
10/1991
10/31/1991WO1991016529A1 Means for controlling exhaust temperature on a catalytically purified combustion engine
10/29/1991US5060604 Method of detecting failure of a valve timing changeover control system of an internal combustion engine
10/24/1991DE4108454A1 Four stroke IC engine with knock sensor - adjusts timing of engine inlet valves upon detection of pinking
10/16/1991EP0452158A1 SOHC type internal combustion engine
10/15/1991US5056378 Engine valve control during transmission shifts
09/1991
09/24/1991US5050546 Valve device
09/24/1991US5050543 Valve control system for internal combustion engine
09/24/1991US5050384 Two-stroke cycle internal combustion engine
09/24/1991US5050378 Exhaust recharging of a four cycle internal combustion engine
09/18/1991EP0446919A1 Variable timing process and mechanism for a compression release engine retarder
09/18/1991EP0446577A1 Engine brake for air compressing engine
09/17/1991US5048480 Variable timing process and mechanism for a compression release engine retarder
09/16/1991CA2038041A1 Variable timing process and mechanism for a compression release engine retarder
09/11/1991EP0446065A2 Method of controlling an internal combustion engine
09/11/1991EP0445555A2 Method for the regulation of the camshaft phasing, continuously variable according to RPM
09/10/1991US5046461 Valve control system for internal combustion engines
08/1991
08/29/1991DE4026499C1 Four-stroke piston IC engine brake system - has tilting or swivelling transmission lever with bearing pin, carrying axially slidable roll
08/28/1991EP0444018A1 Internal combustion engine comprising at least two inlet valves per cylinder
08/27/1991US5042436 Valve control system for internal combustion engines
08/22/1991DE4004806A1 Four stroke internal combustion engine - has inlet valve timing arranged to reduce length of compression stroke
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