| 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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| 02/07/2002 | US20020014220 Engine brake application system |
| 02/07/2002 | US20020014217 Hydraulically actuated latching pin valve deactivation |
| 02/07/2002 | US20020014213 Engine valve drive control apparatus and method |
| 02/07/2002 | DE10135201A1 Variable Ventilbetätigungsvorrichtung für einen Verbrennungsmotor Variable valve operating device for an internal combustion engine |
| 02/06/2002 | EP1178200A2 Internal combustion engine shutdown |
| 02/05/2002 | US6343585 Apparatus for and method of controlling internal combustion engine |
| 02/05/2002 | US6343582 Decompression device for four-stroke engine |
| 02/05/2002 | US6343581 Variable valve timing and lift structure for four cycle engine |
| 02/05/2002 | US6343579 Decompression system for engine |
| 02/05/2002 | US6343578 Device and method for variable valve timing in an internal combustion engine |
| 01/31/2002 | US20020013653 Control apparatus for drive system |
| 01/31/2002 | US20020011225 Valve deactivation assembly with partial journal bearings |
| 01/31/2002 | DE10030904A1 Variable geometry camshaft for IC engine has radially adjustable cam segment to vary valve stroke |
| 01/29/2002 | US6341585 Variable inlet valve damper for an internal combustion engine |
| 01/24/2002 | WO2002006642A1 Valve lift controllers |
| 01/24/2002 | US20020007810 Low friction variable valve actuation device |
| 01/24/2002 | US20020007809 Variable-valve-actuation apparatus for internal combustion engine |
| 01/24/2002 | US20020007808 Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam |
| 01/24/2002 | DE10031783A1 Variable valve drive, preferably for internal combustion engine, has valve arrangement moved indirectly by cam, via a pendulum or tilt lever with one or more valves closed by spring |
| 01/23/2002 | CN1332313A Method for driving exhaust valve in internal combustion engine and exhaust valve thereof |
| 01/22/2002 | US6340010 Valve operating device for internal combustion engine with variable valve timing and valve-lift characteristic mechanism |
| 01/16/2002 | EP1172528A1 Valve drive device of four-stroke cycle engine |
| 01/10/2002 | US20020002959 Variable valve timing and lift structure for four cycle engine |
| 01/09/2002 | EP1169558A1 Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power |
| 01/03/2002 | DE10128622A1 Steuersystem für Ventil-Timing und Ventilhub Control system for valve timing and valve lift |
| 01/03/2002 | DE10030654A1 Decompression device for valve-controlled internal combustion engine has valve lifting device in form of disk fitted axially between drive wheel and cam |
| 01/03/2002 | DE10030653A1 Decompression device for valve-controlled internal combustion engine has cavity against or included in cam to serve as track to guide centrifugal weight |
| 01/02/2002 | EP1167734A2 Enhanced multiple injection for auto-ignition in internal combustion engines |
| 01/02/2002 | EP1167725A2 Engine valve drive control apparatus and method |
| 01/02/2002 | EP1167705A2 Low friction variable valve actuation device |
| 01/01/2002 | US6334429 Integrated lost motion rocker brake with control valve for lost motion clip/reset |
| 12/27/2001 | WO2001098636A1 Variable lost motion valve actuator and method |
| 12/27/2001 | US20010056322 Enhanced multiple injection for auto-ignition in internal combustion engines |
| 12/27/2001 | US20010054403 Valve moving apparatus of an internal combustion engine |
| 12/27/2001 | US20010054402 Variable valve timing with actuator locking for internal combustion engine |
| 12/27/2001 | US20010054400 Method for controlling an electromechanical actuating drive for a gas exchange valve of an internal combustion engine |
| 12/25/2001 | US6333843 Method of starting an electromagnetic actuator operating a cylinder valve of a piston-type internal-combustion engine |
| 12/25/2001 | US6332445 Method for operating and valve drive for a multicylinder internal combustion engine |
| 12/25/2001 | US6332437 Adjusting unit for actuating a device for variable control of valves of an internal combustion engine |
| 12/25/2001 | CA2221548C Valve operating system in internal combustion engine |
| 12/20/2001 | US20010052331 Valve timing and lift control system |
| 12/20/2001 | US20010052329 Variable valve drive for load control of a positive ignition internal combustion engine |
| 12/20/2001 | DE10128694A1 Variable valve timing system has relative rotation control mechanism that limits relative rotation of housing and rotary elements to central angular phase, hydraulic pressure circuit |
| 12/20/2001 | DE10127928A1 Variable valve timing control device for internal combustion engines, executes exhaust valve advanced closing control, to regulate exhaust valve closing timing to advance side of intake top dead center |
| 12/19/2001 | EP1164259A1 Variable valve operating system of internal combustion engine enabling variation of working angle and phase |
| 12/19/2001 | EP1164258A2 Valve driving apparatus for engine |
| 12/19/2001 | CN1076443C Decompression mechanism in engine |
| 12/18/2001 | US6330869 Control device of an internal combustion engine |
| 12/13/2001 | US20010050067 Variable valve timing control device for internal combustion engine |
| 12/13/2001 | US20010050066 Variable valve operating system of internal combustion engine enabling variation of working angle and phase |
| 12/13/2001 | US20010050065 Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism |
| 12/13/2001 | DE10028474A1 Device for decompressing valve-controlled internal combustion engine has pin-type valve lifter mounted lengthwise on guide extending parallel to camshaft axis and aligned with indentation in cam |
| 12/13/2001 | DE10028473A1 Device for decompressing valve-controlled internal combustion engine has pin-like valve lifter moved above shift speed completely into recess formed by longitudinal groove in track face of cam |
| 12/13/2001 | DE10028470A1 Decompression device, for valve-controlled internal combustion engine, has valve lifting device able to move along guide parallel to camshaft axis |
| 12/12/2001 | EP1162350A2 Variable valve timing device of internal combustion engine |
| 12/12/2001 | EP1162349A2 Apparatus and method for controlling electromagnetically operable engine valve assembly |
| 12/06/2001 | WO2001092705A1 Variable timing mechanism for a rotary valve |
| 12/06/2001 | US20010047783 Adjustable overhead rocker cam |
| 12/06/2001 | US20010047780 Apparatus and method for controlling electromagnetically operable engine valve assembly |
| 12/05/2001 | EP1160421A1 Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism |
| 12/04/2001 | US6325043 Exhaust gas recirculation device |
| 12/04/2001 | US6325030 Roller finger follower for valve deactivation |
| 11/29/2001 | WO2001090538A1 Valve lift adjusting device |
| 11/29/2001 | US20010045204 Engine ignition timing control system for outboard motors |
| 11/29/2001 | US20010045197 Mechanical assist actuation bracket for deactivation and two-step roller finger followers |
| 11/29/2001 | US20010045194 Internal combustion engine control system |
| 11/29/2001 | DE10025819A1 Non-return valve acts as an automatic decompression valve at the cylinder of an IC motor to assist starting |
| 11/28/2001 | EP1157192A1 Cam and cam followers for engines |
| 11/28/2001 | CN1324430A Cam operating system |
| 11/27/2001 | US6321706 Variable valve opening duration system |
| 11/27/2001 | US6321705 Roller finger follower for valve deactivation |
| 11/27/2001 | US6321704 Hydraulically actuated latching valve deactivation |
| 11/27/2001 | US6321701 Lost motion valve actuation system |
| 11/22/2001 | WO2001088345A1 Valve control mechanism |
| 11/21/2001 | EP1156193A1 Valve opening mechanism |
| 11/20/2001 | US6318318 Rocker arm assembly |
| 11/20/2001 | US6318317 Device for interrupting the power flow between at least one valve and at least one cam of camshaft |
| 11/20/2001 | US6318316 Multi-cylinder engine for motorcycle |
| 11/20/2001 | US6318315 Valve operating system for internal combustion engine |
| 11/20/2001 | US6318313 Variable performance valve train having three-dimensional cam |
| 11/20/2001 | US6318084 Internal-combustion engine having an engine braking device |
| 11/15/2001 | US20010039930 Valve resting mechanism for cylinder control type engine |
| 11/14/2001 | EP1154129A1 Valve resting mechanism for internal combustion engine |
| 11/13/2001 | US6314928 Rocker arm assembly |
| 11/13/2001 | US6314927 Support element for a finger lever of a valve gear of an internal combustion engine |
| 11/13/2001 | US6314926 Valve control apparatus |
| 11/08/2001 | WO2001083953A1 Adjustable overhead rocker cam |
| 11/08/2001 | WO2001083952A1 Control device for an intake valve or exhaust valve of an internal combustion engine |
| 11/08/2001 | US20010037782 Cam link variable valve mechanism |
| 11/08/2001 | US20010037781 Variable valve mechanism having an eccentric-driven frame |
| 11/08/2001 | DE10119632A1 Variable valve timing gear for internal combustion engine has first and second camshaft coupling mechanism with pushrod rotatably mounted on lever installed on bearing cover for first camshaft, and preferably premounted |
| 11/08/2001 | DE10021909A1 Method for detecting valve lift on internal combustion engines with variable valve control detects an inlet opening time point by means of a drop in pressure in a suction pipe. |
| 11/07/2001 | EP1152126A2 Valve operating system in internal combustion engine |
| 11/07/2001 | EP1151187A1 Engine brake application system |
| 11/07/2001 | EP1151186A1 Apparatus for controlling position of electromagnetically operated engine valve |
| 11/06/2001 | US6311659 Desmodromic cam driven variable valve timing mechanism |
| 11/06/2001 | US6311653 Internal combustion engine |
| 11/01/2001 | WO2001081745A1 Method for influencing the mixture formation and charging movement in a cylinder of a piston internal combustion engine with externally applied ignition |
| 11/01/2001 | US20010035511 Electric valve universal retrofit configuration having misalignment correction |
| 11/01/2001 | US20010035153 Direct injection variable valve timing engine control sytem and method |