Patents
Patents for F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing (11,427)
11/1998
11/10/1998US5832881 Supplementary port for two stroke engine
11/05/1998WO1998049434A1 Internal combustion engine
11/05/1998DE19814888A1 Variable valve control mechanism
11/05/1998CA2288071A1 Internal combustion engine
11/03/1998US5831809 Method for controlling an electromagnetic actuator with compensation for changes in ohmic resistance of the electromagnet coil
11/03/1998US5829398 Valve timing control device for gas exchange valves on an internal combustion engine
11/03/1998US5829394 Exhaust controller for spark ignition type two stroke internal combustion engine
10/1998
10/28/1998EP0874150A2 High power engine with very low pollutant emission
10/28/1998EP0874135A2 Internal combustion engine
10/28/1998EP0873469A1 Reducing the light-off time of a catalytic converter
10/27/1998US5827096 Watercraft exhaust control
10/27/1998US5826560 Engine combustion chamber and method of operation
10/27/1998US5826551 Process and device for controlling the lift of an internal combustion engine valve
10/15/1998WO1998035148A3 Process and device for monitoring an endless driving belt of an internal combustion engine
10/15/1998DE19723791C1 Piston engine exhaust gases decontamination method
10/13/1998US5819693 Method for improving the operation of an air-scavenged supercharged heat engine, and heat engine therefor
10/07/1998EP0868600A1 Device for regulating the engine braking power of an internal combustion engine
10/06/1998US5818680 Apparatus for controlling armature movements in an electromagnetic circuit
10/06/1998US5816665 Compression and fluid retarding vehicle braking control system
10/06/1998US5816216 Decompression brake device of automotive internal combustion engine
10/06/1998US5816205 Oil supply structure in variable valve timing mechanism
10/01/1998WO1998042970A1 Method for reducing harmful exhaust gas emissions of a spark-ignition engine operating with a low fuel/air mixture
10/01/1998DE19735822C1 Internal combustion engine with control device e.g. for motor vehicle
09/1998
09/30/1998CN1194331A Water cooling structure for two stroke generator with gas exhausting valve
09/29/1998US5813376 Apparatus for supplying oil in engine
09/29/1998US5813231 Engine compression braking apparatus utilizing a variable geometry turbocharger
09/24/1998DE19810298A1 Valve time control system for IC engine with valve time control mechanism
09/22/1998US5809964 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
09/09/1998EP0863301A1 Process for controlling auto ignition in a four stroke engine
09/08/1998US5803040 Method for shutting down and restarting individual cylinders of an engine
09/08/1998US5803038 Dynamic valve mechanism for engine
09/08/1998US5803031 Hydraulic actuator in an internal combustion engine
09/08/1998US5803029 Valve performance controller for internal combustion engine
09/03/1998DE19807351A1 Internal combustion engine
09/01/1998US5799631 Apparatus for controlling engine valve performance
08/1998
08/27/1998DE19807763A1 Phase adjustment setting device for i.c. engine camshaft
08/26/1998CN1191267A Method for regulating real air intake quantity in cylinder for two-stroke engine
08/25/1998US5797368 Reciprocating piston internal combustion engine having at least one cylinder
08/25/1998US5797363 Engine valve adjuster
08/19/1998EP0859130A1 System for regulating valve timing of internal combustion engine
08/13/1998WO1998035148A2 Process and device for monitoring an endless driving belt of an internal combustion engine
08/13/1998DE19803405A1 Method for controlling braking system of motor vehicle
08/06/1998WO1998034021A1 Engine braking and/or exhaust during egr
08/06/1998WO1998034014A1 Multi-cylinder diesel engine with variable valve actuation
08/06/1998DE19721756C1 Piston-engine operating system
08/04/1998US5787859 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
08/04/1998US5787855 Method for cylinder cutout in an internal combustion engine
08/04/1998US5787849 Valve timing phase changer
08/04/1998US5787848 Method of system for operating an internal combustion engine having variable valve timing
07/1998
07/30/1998WO1998032962A1 Exhaust gas recirculation device
07/30/1998WO1998032961A1 Exhaust gas recirculation device
07/22/1998EP0854280A1 Control device for an internal combustion engine
07/22/1998EP0854273A1 Variable valve timing and valve events mechanism for an internal combustion engine
07/21/1998US5782217 Piston for two cycle engine
07/21/1998US5782211 Electromagnetically operated valve driving system
07/14/1998US5781397 For actuating a cylinder valve in a piston engine
07/14/1998US5778674 Turbocharged diesel engine
07/09/1998WO1998029644A1 Process for generating a physical power with reciprocating internal combustion engines
07/09/1998DE19757407A1 Energy recovery system during braking in motor vehicles
07/09/1998DE19712356C1 Pollution-reduction method for direct-injection petrol engine
07/08/1998EP0852287A1 Apparatus and method for controlling valve timing of engine
07/08/1998EP0851972A1 Turbocharged internal combustion engine having improved intake valve control means
07/07/1998US5775288 Direct injected internal combustion engine
07/07/1998US5775283 Intake control system for engine
07/07/1998US5775276 Valve driving apparatus using an electromagnetic coil to move a valve body with reduced noise
07/07/1998US5775273 Free piston internal combustion engine
07/02/1998DE19654710A1 Verfahren zum Erzeugen von physikalischer Leistung mit Hubkolben-Brennkraftmaschinen A method of generating physical performance with reciprocating internal combustion engines
07/01/1998CN1038958C Engine brake using unit valve actuation
06/1998
06/25/1998WO1998027319A1 Outward opening valve system for an engine
06/25/1998DE19755937A1 Inlet/outlet valve variable timing (VVT) control for vehicle IC engine
06/25/1998DE19651148A1 Operating process for Otto cycle, multi=cylinder, internal combustion engine
06/24/1998EP0849439A1 Engine valve actuator with differential area pistons
06/24/1998EP0849110A2 Method and apparatus for regulating transmission input shaft torque
06/23/1998US5769060 Air-assisted fuel injection system
06/23/1998US5769044 Value performance control apparatus for internal combustion engine
06/18/1998DE19717068C1 Internal combustion engine for road vehicle
06/16/1998US5765528 Idle speed control system for automotive internal combustion engine
06/16/1998US5765514 Control system for internal combuston engines
06/10/1998EP0727010B1 Method and device for controlling the lifting of a valve of an internal combustion engine
06/10/1998EP0526538B1 Internal combustion engine
06/10/1998DE19650249A1 Shaft rotation angle and valve lift detection arrangement for engine
06/04/1998DE19649466A1 Method of controlling of reciprocating internal combustion engines
06/03/1998EP0845587A2 Internal combustion engine intake port flow determination
05/1998
05/27/1998EP0844372A2 Electromagnetically driven valve control system for internal combustion engines
05/27/1998EP0844371A2 Electromagnetically driven valve control system for internal combustion engines
05/27/1998EP0844370A2 Electromagnetically driven valve control system for internal combustion engines
05/27/1998EP0843780A1 Four-cycle internal combustion engines with two-cycle compression release braking
05/26/1998US5755202 Method of reducing feed gas emissions in an internal combustion engine
05/22/1998WO1998021452A1 Device for mixing air and fuel in the combustion chamber of an internal combustion engine
05/19/1998US5752491 Method for controlling a piston-type internal combustion engine
05/19/1998US5752482 System for integrally controlling current flow through number of inductive loads
05/19/1998US5752478 Control system for internal combustion engines
05/19/1998US5752477 Two-stroke engine with valve motion control means
05/19/1998US5752476 Exhaust controller for two-stroke-cycle engine
05/14/1998DE19749911A1 Valve gear for internal combustion engine
05/06/1998EP0839263A2 Compression release engine brakes with electronically controlled, multi-coil hydraulic valves
05/06/1998CN1180786A Engine-brake assisting system
05/05/1998US5746175 Four-cycle internal combustion engines with two-cycle compression release braking
05/05/1998US5746164 Method of determining valve control times for a maximum cylinder charge on a piston-type internal combustion engine
04/1998
04/30/1998DE19643711A1 Valve operating gear for internal combustion engine