| Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664) |
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| 03/09/2004 | US6701887 Method for influencing the mixture formation and charging movement in a cylinder of a piston internal combustion engine with externally applied ignition |
| 03/09/2004 | US6701879 Internal combustion engine |
| 03/04/2004 | WO2004018847A1 Rocker arm for valve actuation in internal combustion engines |
| 03/04/2004 | WO2004001199A3 Improvements to latchable cam-lobe systems for poppet valve motion control |
| 03/04/2004 | US20040040524 Control apparatus and method for valve actuating system of internal combustion engine |
| 03/04/2004 | DE10337276A1 Vorrichtung zur variablen Ventilbetätigung für einen Verbrennungsmotor An apparatus for variable valve actuation for an internal combustion engine |
| 03/04/2004 | DE10332825A1 Motor vehicle internal combustion engine valve timing control has variable valve timing and adjustable exhaust valve opening with respect to crankshaft |
| 03/04/2004 | DE10332083A1 Vorrichtung und Verfahren zum Steuern der Ansaugluftmenge eines Verbrennungsmotors Apparatus and method for controlling the intake air of an internal combustion engine |
| 03/04/2004 | DE10329065A1 Fuel injection equipment for engine, has fuel injection valve whose injection timing and injection characteristic is set from fuel-injection start to completion within open period of intake valve above low lift area |
| 03/04/2004 | CA2496451A1 Rocker arm for valve actuation in internal combustion engines |
| 03/03/2004 | EP1394370A1 Variable valve control |
| 03/03/2004 | EP1394369A2 Variable valve drive |
| 03/03/2004 | EP1394367A1 Control system of internal combustion engine |
| 02/26/2004 | US20040035391 Control system of internal combustion engine |
| 02/26/2004 | US20040035381 Integrated solenoid board and cam ladder |
| 02/26/2004 | DE10336485A1 Valve actuator for internal combustion engine selects operation with normal cam for starting and idling and with delayed closing cam in certain operating state not involving starting or idling |
| 02/26/2004 | DE10334684A1 Electrohydraulic fluid control valve with high flow rate has control element with solenoid coil and armature for moving closure part from first valve seat to second valve against spring force |
| 02/26/2004 | DE10306777A1 Benutzung von luftunterstützter Direkteinspritzung, Zylinderabschaltung und Phasenlagenverstellung der Nockenwelle für ein verbessertes Anspringen des katalytischen Umformers in Verbrennungsmotoren Use of air-assisted direct injection, cylinder deactivation and phase adjustment of the camshaft for improved light-off of the catalytic converter in internal combustion engines |
| 02/26/2004 | DE10239909A1 Variable valve gear especially for reciprocating piston internal combustion engine has adjustment ramp and pre-acceleration ramp forming guide sections of one-sided guide face of slide component for guiding of roller packet |
| 02/26/2004 | DE10239908A1 Variable valve gear for reciprocating piston internal combustion engines has cams each operating lift valve via roller packet both of which are commonly movable along adjustment ramp commonly constructed in common slide component |
| 02/26/2004 | DE10237234A1 Reciprocating piston internal combustion engine has mechanical force transmission gear with separate bridging component between camshaft drive and exhaust valve and incorporating hydraulically operated piston |
| 02/26/2004 | DE10237104A1 Valve drive for a piston combustion engine has a variable lift control with transmission and actuator elements fixed together |
| 02/24/2004 | US6694948 Vacuum management system on a variable displacement engine |
| 02/24/2004 | US6694939 Decompression unit for internal combustion engine |
| 02/24/2004 | US6694935 Valve mechanism of internal combustion engine |
| 02/24/2004 | US6694934 Variable valve actuator for internal combustion engine |
| 02/24/2004 | US6694933 Lost motion system and method for fixed-time valve actuation |
| 02/19/2004 | WO2004015247A1 Retainer for release member |
| 02/19/2004 | WO1999036678A8 Cam follower which is part of an internal combustion engine valve gear, and which can engage at varying strokes for at least one gas shuttle valve |
| 02/19/2004 | US20040031457 Variable operation intake valve controlling apparatus and method for internal combustion engine |
| 02/19/2004 | US20040031456 Variable-valve-actuation apparatus for internal combustion engine |
| 02/19/2004 | DE10248959A1 Variable stroke valve drive for internal combustion engine has cam disk shaft with cam disk for each cylinder consisting of cam and base surface forming running surface |
| 02/19/2004 | DE10237043A1 Drive mechanism for the valves of an IC motor has a housing with a rotating crank around the center, acting on inner bodies to move an outer body with a cam contour to act on the valves |
| 02/19/2004 | DE10235400A1 Zylinderkopf für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb Cylinder head for an internal combustion engine having a variable-stroke valve train |
| 02/19/2004 | DE10038916B4 Kolbenbrennkraftmaschine mit Gaswechselventilen, die zur Erzeugung einer zusätzlichen Bremsleistung steuerbar sind Piston-type internal combustion engine having gas exchange valves which are controllable for generating an additional braking power |
| 02/18/2004 | EP1389673A2 Variable Operation Intake Valve Controlling Apparatus and Method for Internal Combustion Engine |
| 02/18/2004 | EP1389270A1 Method and system for engine braking in an internal combustion engine |
| 02/18/2004 | EP1389266A1 Valvegear mechanism for an internal combustion engine |
| 02/18/2004 | EP0894185B1 Valve timing system |
| 02/17/2004 | US6692404 Engine control system and method for hybrid vehicle |
| 02/17/2004 | US6691674 Latched reset mechanism for engine brake |
| 02/17/2004 | US6691663 Four-stroke internal combustion engine cylinder head |
| 02/17/2004 | US6691657 Two-step finger follower rocker arm |
| 02/17/2004 | US6691655 Control system and method for an internal combustion engine |
| 02/17/2004 | US6691654 Valve-lash adjuster equipped valve operating device for internal combustion engine |
| 02/17/2004 | US6691653 Electronic method and device for the control of gas exchange valves of an internal combustion engine having a variable opening function |
| 02/17/2004 | US6691652 Variable valve drive |
| 02/12/2004 | WO2003106818B1 Variable valve actuation mechanism with oscillating cam |
| 02/12/2004 | US20040026928 Controller of hybrid vehicle |
| 02/12/2004 | US20040025838 Controller of internal combustion engine |
| 02/12/2004 | US20040025835 Method for operating an internal combustion engine |
| 02/12/2004 | US20040025820 Valve mechanism with a variable valve opening cross-section |
| 02/12/2004 | US20040025819 Oil control valve and method of mounting the oil control valve |
| 02/12/2004 | DE10253231B3 Automatic decompression device for valve-controlled engine has decompression lever in form of arc-shaped element with both ends on camshaft |
| 02/12/2004 | DE10235403A1 Schwenkhebel für einen hubvariablen Ventiltrieb Lever handle with a variable-stroke valve train |
| 02/12/2004 | DE10235402A1 Schwenkhebel für einen hubvariablen Ventiltrieb Lever handle with a variable-stroke valve train |
| 02/12/2004 | DE10235401A1 Lift stroke-variable valve gear for cylinder head of internal combustion engine has second pivoting lever installed stationary on first lever to form one-piece and material uniform double lever arrangement |
| 02/12/2004 | DE10233284A1 Verfahren zur Verbesserung des Drehmomentverlaufs an einer Mehrzylinder-Viertakt-Kolbenbrennkraftmaschine A method for improving the torque curve of a multi-cylinder four-stroke reciprocating internal combustion engine |
| 02/11/2004 | EP1388644A1 Valve deactivation with an electro-hydraulic actuator |
| 02/11/2004 | EP1387928A1 Gas driving device for variable adjustment of the lift of a gas exchange valve of an internal combustion engine |
| 02/10/2004 | US6691022 Intake air quantity measurement for internal combustion engine |
| 02/10/2004 | US6691021 Failure determination system, failure determination method and engine control unit for variable-cylinder internal combustion engine |
| 02/10/2004 | US6690563 Electromagnetic actuator controller |
| 02/10/2004 | US6688287 Control apparatus of internal combustion engine and control method thereof |
| 02/10/2004 | US6688280 Air and fuel supply system for combustion engine |
| 02/10/2004 | US6688275 Hydraulic pressure control system for cylinder cutoff device of internal combustion engine |
| 02/10/2004 | US6688267 Engine valve actuator assembly |
| 02/10/2004 | US6688266 Pressurized sealing groove for deactivating roller-follower |
| 02/08/2004 | CA2436282A1 Valve deactivation with an electro-hydraulic actuator |
| 02/05/2004 | WO2004011782A1 Valve-actuating device for internal combustion engine |
| 02/05/2004 | US20040020454 Frameless variable valve actuation mechanism |
| 02/05/2004 | DE10302337A1 Ventilzeitabstimmungssteueranordnung für Verbrennungsmotor Valve timing control system for internal combustion engine |
| 02/05/2004 | DE10230899A1 Verfahren zum Diagnostizieren einer fehlerhaften Ventilhubstellung einer Brennkraftmaschine A method for diagnosing a faulty valve lift of an internal combustion engine |
| 02/05/2004 | DE10000750B4 Mehrzylindermotor für ein Motorrad Multi-cylinder engine for a motorcycle |
| 02/04/2004 | EP1387050A1 Cylinder head for an internal combustion engine with variable lift valve drive |
| 02/04/2004 | EP1387049A1 Rocker arm for a variable lift valve drive |
| 02/04/2004 | EP1387048A2 Rocking lever for valve drive with variable lift |
| 02/04/2004 | EP1386061A1 Device for controlling valve kinematics |
| 02/03/2004 | US6687603 Assist control apparatus for hybrid vehicle |
| 02/03/2004 | US6684835 Valve timing control device |
| 02/03/2004 | US6684833 Variable valve mechanism of internal combustion engine |
| 02/03/2004 | US6684832 Oscillating camshaft controlled valve operating device |
| 02/03/2004 | US6684831 Electrically rotatable shaft |
| 01/29/2004 | WO2004009983A1 Method for improving the torque band in a multicylinder four-cycle piston engine |
| 01/29/2004 | WO2004009968A1 Automatic compression release mechanism |
| 01/29/2004 | WO2004009967A1 A mechanism for varynig the valve stroke of an internal combustion piston engine |
| 01/29/2004 | WO2004009966A1 Cam follower arm for an internal combustion engine |
| 01/29/2004 | US20040016413 Valve system for internal combustion engine |
| 01/29/2004 | DE4322246B4 Nockenwellenanordnung mit zumindest einem von einer Welle begrenzt schwenkbar getragenen Nocken Camshaft arrangement with at least a limited pivotally supported by a shaft cam |
| 01/29/2004 | DE10332107A1 Vorrichtung und Verfahren zum Schätzen der Restgasmenge eines Verbrennungsmotors, und Vorrichtung und Verfahren zum Steuern der Ansaugluftmenge eines Verbrennungsmotors unter Benutzung der geschätzten Restgasmenge Apparatus and method for estimating the amount of residual gas of an internal combustion engine, and apparatus and method for controlling the intake air of an internal combustion engine using the estimated residual quantity of gas |
| 01/29/2004 | DE10327542A1 Ölzuführstruktur für einen Motorzylinderkopf Ölzuführstruktur for an engine cylinder head |
| 01/29/2004 | DE10229181A1 Variabler Ventiltrieb zur Steuerung eines Gaswechselventils einer Brennkraftmaschine Variable valve train for controlling a gas exchange valve of an internal combustion engine |
| 01/29/2004 | CA2492894A1 Automatic compression release mechanism |
| 01/29/2004 | CA2492891A1 Cam follower arm for an internal combustion engine |
| 01/28/2004 | EP1384864A2 Variable valve operating system of engine enabling variation of working angle and phase |
| 01/28/2004 | EP1384863A2 Internal combustion engine with a processor and electromagnetic valve actuators |
| 01/28/2004 | EP1384862A1 Method and apparatus for controlling an internal combustion engine |
| 01/28/2004 | EP1384861A1 Internal combustion engine with a processor and electromechanical actuators for controlling the valves |
| 01/28/2004 | EP1383988A1 Control device for a gas exchange valve in an internal combustion engine |
| 01/28/2004 | CN1471609A Variable valve distributor for load-controlling a spark-ignited internal combustion engine |