| 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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| 10/13/1999 | EP0948706A1 Device for mixing air and fuel in the combustion chamber of an internal combustion engine |
| 10/07/1999 | WO1999050541A1 High efficiency vehicle and engine |
| 10/07/1999 | DE19914156A1 Camshaft setter for internal combustion engine |
| 10/07/1999 | DE19822578C1 Exhaust timing control valve for two stroke internal combustion engine |
| 10/05/1999 | US5960753 Hydraulic actuator for an internal combustion engine |
| 10/05/1999 | US5960749 Two-cycle internal combustion engine |
| 09/30/1999 | DE19810466A1 Verfahren zum Betrieb eines Ottomotors mit Direkteinspritzung Method for operating a spark-ignition engine with direct injection |
| 09/29/1999 | EP0945606A2 Turbocharged gas-combustion engine equipped with motor generator |
| 09/29/1999 | EP0945598A2 Four stroke internal combustion engine |
| 09/28/1999 | US5957095 Valve timing controlling device of internal combustion engine |
| 09/23/1999 | WO1999047800A1 Internal combustion engine, control apparatus for an internal combustion engine, and its control method |
| 09/23/1999 | WO1999047797A1 Method for operating a four-stroke reciprocating internal combustion engine |
| 09/23/1999 | DE19908454A1 IC engine with compression ignition with valve mechanism having inlet and outlet valves arranged in engine cylinder with fuel injection system and drive condition detection unit |
| 09/23/1999 | DE19807488C1 Method for regulating valve-controlled stroke piston internal combustion engine |
| 09/22/1999 | EP0943793A2 Control for direct fuel injection spark ignition internal combustion engine |
| 09/16/1999 | WO1999046491A1 Method for operating a spark-ignition engine with direct injection |
| 09/16/1999 | DE19810935A1 Procedure for running of four-stroke reciprocating piston internal combustion engine |
| 09/16/1999 | DE19810933A1 Reciprocating piston combustion engine e.g. diesel engine |
| 09/14/1999 | US5950593 Gas engine with pre-combustion chamber |
| 09/14/1999 | US5950582 Internal combustion engine with variable camshaft timing and intake valve masking |
| 09/14/1999 | US5950581 Two-cycle internal combustion engine |
| 09/09/1999 | DE19909305A1 Method of driving electromagnetic valve for actuating motor valve for driving engine inlet or outlet valves |
| 09/09/1999 | DE19809618A1 Two-stroke diesel engine with turbocharger e.g. for ship propulsion drive |
| 09/07/1999 | US5947863 Method and arrangement for controlling the input torque of a transmission |
| 09/07/1999 | US5946908 Internal combustion engine |
| 09/02/1999 | WO1999043937A1 Method for adjusting the power of a multiple-fuel internal combustion engine and multiple-fuel internal combustion engine |
| 09/02/1999 | WO1999043936A1 Free-piston internal-combustion engine |
| 09/02/1999 | WO1999043930A1 Device for adjusting the movement path of the gas shuttle valve of an internal combustion engine |
| 09/02/1999 | DE19808574A1 Reciprocating piston engine with internal exhaust return |
| 09/02/1999 | CA2320075A1 Free-piston internal-combustion engine |
| 09/01/1999 | EP0938625A1 Improved internal combustion engine and working cycle |
| 08/31/1999 | US5943989 Valve timing control device |
| 08/26/1999 | WO1999042718A1 Premixed charge compression ignition engine with optimal combustion control |
| 08/26/1999 | WO1999027243A9 Integrated lost motion system for retarding and egr |
| 08/26/1999 | DE19807875A1 Method for regulating the armature incident speed at an electromagnetic actuator by extrapolated estimation of the energy input |
| 08/24/1999 | US5941203 To control opening/closing timing of intake/exhaust valve of ic engine |
| 08/17/1999 | US5937808 Valve timing control system for internal combustion engine |
| 08/17/1999 | US5937805 Apparatus and method for controlling valve timing of engine |
| 08/17/1999 | US5937639 Internal combustion engine |
| 08/12/1999 | WO1999040296A1 Method for operating a four-stroke internal combustion engine |
| 08/12/1999 | DE19804943A1 IC engine, especially four stroke engine |
| 08/12/1999 | DE19804942A1 IC engine, especially four stroke engine |
| 08/10/1999 | US5934958 Exhaust timing control valve control arrangement |
| 08/10/1999 | US5934231 Method of initiating motion of a cylinder valve actuated by an electromagnetic actuator |
| 08/05/1999 | WO1999039092A1 Self-clipping slave piston device with lash adjustment for a compression release engine retarder |
| 08/04/1999 | EP0933519A2 Internal-combustion engine and procedure for the operation of a charged internal-combustion engine |
| 08/03/1999 | US5931124 Valve timing for internal-combustion engines |
| 07/27/1999 | US5927252 Ignition timing control apparatus for internal combustion engine |
| 07/27/1999 | US5927238 Valve timing for four stroke internal combustion engines |
| 07/22/1999 | WO1999027243A3 Integrated lost motion system for retarding and egr |
| 07/22/1999 | DE19901942A1 Device for opening and closing valve of internal combustion engine |
| 07/21/1999 | EP0930431A2 Intake system for an internal combustion engine with at least two cylinders |
| 07/21/1999 | CN1223335A Variable compression ratio and variable valve timing |
| 07/20/1999 | US5924395 System for regulating valve timing of internal combustion engine |
| 07/15/1999 | WO1999035375A1 Control device for solenoid driving valve |
| 07/15/1999 | WO1999035374A1 System and method for controlling camshaft timing, air/fuel ratio and throttle position in an automotive internal combustion engine |
| 07/14/1999 | EP0928493A1 System and method for servo control of nonlinear electromagnetic actuators |
| 07/14/1999 | EP0928369A1 Premixed charge compression ignition engine with optimal combustion control |
| 07/13/1999 | US5921883 System for managing engine retarding torque during coast mode operation |
| 07/13/1999 | US5921216 For motor vehicles |
| 07/08/1999 | WO1999034108A1 Arrangement for recirculation of exhaust gases in a combustion engine with at least two cylinders |
| 07/01/1999 | WO1999032773A1 Engine braking with positive power valve actuation |
| 07/01/1999 | WO1999032764A1 Method for controlling an internal combustion engine |
| 07/01/1999 | DE19756342A1 Verfahren zur Steuerung einer Brennkraftmaschine Method for controlling an internal combustion engine |
| 06/29/1999 | US5917692 Method of reducing the impact speed of an armature in an electromagnetic actuator |
| 06/29/1999 | US5915358 Method of controlling an internal-combustion engine having at least two intake valves for each cylinder |
| 06/29/1999 | US5915347 Valve driving apparatus using an electromagnetic coil to move a valve body with reduced noise |
| 06/23/1999 | EP0924391A2 Device for changing the angular relationship between a shaft and a driving wheel |
| 06/22/1999 | US5913298 Valve timing system for engine |
| 06/17/1999 | WO1999030068A1 Device for driving solenoid valve |
| 06/17/1999 | DE19819360A1 Valve operating time control system for internal combustion engine |
| 06/16/1999 | EP0922599A2 Internal combustion engine control apparatus of hybrid powered vehicle |
| 06/16/1999 | CN1043675C Method of diminishing extra stresses from torsional vibration in main shaft for two-stroke diesel engine |
| 06/10/1999 | DE19804988C1 Method of operation of four stroke internal combustion engine |
| 06/10/1999 | DE19754287A1 Internal combustion engine |
| 06/09/1999 | EP0921285A2 Compression ignition type engine |
| 06/09/1999 | EP0921279A2 Method and system for operating an internal combustion engine |
| 06/08/1999 | US5909720 Driving system with engine starting control |
| 06/05/1999 | CA2255032A1 Reclaiming foundry sand by gravity flow system |
| 06/05/1999 | CA2254527A1 Method and system for operating an internal combustion engine having variable valve timing |
| 06/03/1999 | WO1999027243A2 Integrated lost motion system for retarding and egr |
| 06/03/1999 | WO1999015872A3 Method for evaluating the march of pressure in a combustion chamber |
| 06/01/1999 | US5908018 Direct injected engine |
| 05/27/1999 | WO1999025970A1 Lost motion hydraulic overhead with integrated retarding |
| 05/20/1999 | DE19749992A1 Method of controlling an internal combustion engine in a weak mixture mode |
| 05/19/1999 | EP0916815A2 Apparatus and a method for detecting the valve timing of electromagnetic engine valves |
| 05/19/1999 | EP0916814A2 Apparatus and method of controlling electromagnetic valve |
| 05/19/1999 | EP0916813A2 A hydraulic apparatus for adjusting the timing of opening and closing of an engine valve |
| 05/18/1999 | US5904226 Apparatus for supplying oil in engine |
| 05/12/1999 | EP0915236A2 A power unit for a vehicle |
| 05/12/1999 | EP0915234A2 Valve timing changing apparatus for internal combustion engine |
| 05/12/1999 | EP0914545A1 Four-cycle engines with two-cycle compression release braking |
| 05/06/1999 | EP0913559A2 Process for operating a multi-cylinder internal combustion engine |
| 05/06/1999 | DE19818971A1 Valve timing for IC engine |
| 05/04/1999 | US5899828 Engine pumping loss control apparatus for locking intake or exhaust valves full open during regenerative braking hybrid vehicle |
| 04/29/1999 | DE19747033A1 Electronic switching device for magnets, esp. electromagnetic valve control elements for an internal combustion engine |
| 04/28/1999 | CN1215004A Composite vehicle controller |
| 04/22/1999 | WO1999019615A1 Method for controlling an electromechanical actuating device |
| 04/22/1999 | WO1999019614A1 Slave piston assembly with valve motion modifier |
| 04/22/1999 | DE19847851A1 Valve control for fuel injected IC engine |