| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 02/15/1994 | US5285755 Open chamber diesel engine having a piston with recesses therein |
| 02/15/1994 | CA1326962C Driveshaft with driving elements attached to it in groups |
| 02/14/1994 | CA2103754A1 Valve gear for at least two simultaneously operated overhead valves |
| 02/10/1994 | DE3943728A1 Cylinder head for multi cylinder, self igniting IC engine - has upper and lower parts with cam shafts held, and bearings formed in lower part and oil guiding channels formed in upper part |
| 02/10/1994 | DE3943727A1 Cylinder head for multi-cylinder diesel engine - carries two overhead camshafts acting on valves via tappets |
| 02/09/1994 | EP0582430A1 System and method to determine cam phase and cylinder identification for a variable cam timing engine |
| 02/08/1994 | US5284112 Valve operating mechanism including valve lifter |
| 02/08/1994 | CA2040294C Sohc type internal combustion engine |
| 02/08/1994 | CA1326796C Valve operation control device for internal combustion engine |
| 02/08/1994 | CA1326768C Process for producing an assembled shaft |
| 02/03/1994 | WO1994002717A1 Valves and valve timing for internal combustion engine |
| 02/03/1994 | WO1994002716A1 Phase change mechanism |
| 02/03/1994 | WO1994002715A1 Electro-hydraulic adjusting device |
| 02/03/1994 | WO1994002714A2 Method and mechanism for gas distribution in four-stroke internal combustion engine with phase regulation |
| 02/03/1994 | WO1994002713A1 Valve-actuating mechanism |
| 02/03/1994 | DE4309627A1 Supercharged IC engine with charge air cooler - has geometrical compression engine ratio controlled to be at least 8.5 |
| 02/03/1994 | DE4225797A1 Hydraulic tappet for IC engine - uses alternately charged pressure chambers connected by closable channels |
| 02/03/1994 | DE4225796A1 Drive for inlet valves of combustion engine |
| 02/03/1994 | DE4225369A1 Gas-exchange system for two-stroke engine - uses pre-compressed combustion air to provide second rinsing cycle provided via inlet valve controlled by differential pressure |
| 02/02/1994 | EP0581508A2 Multiple functions cam sensing |
| 02/02/1994 | EP0581406A1 A method of securing a tip in a tappet |
| 02/02/1994 | EP0580646A1 An arrangement in internal combustion engines |
| 02/01/1994 | US5282443 Valve operating system in internal combustion engine |
| 02/01/1994 | CA1326618C Cylinder head structure for multiple cylinder engines |
| 01/27/1994 | DE4321979A1 Controller of inlet valve of IC engine - facilitates restarting by movement of engine in appropriate direction for optimal camshaft angle and rocker arm ratio settings |
| 01/27/1994 | DE4224653A1 Elektrohydraulische Stelleinrichtung Electro-hydraulic actuating device |
| 01/27/1994 | DE4224495A1 Guide for pre-assembled tappet in combustion engine - has projection in removable housing to limit travel movement of tappet |
| 01/26/1994 | EP0580200A1 Composite camshaft |
| 01/26/1994 | EP0579902A1 Automatic variator of valve overlap and valve section |
| 01/25/1994 | US5280771 Direct acting hydraulic tappet |
| 01/25/1994 | US5280770 Variable valve actuation control system |
| 01/25/1994 | US5280675 Camshaft and method of making a camshaft |
| 01/20/1994 | WO1994001658A1 Camshaft and method of making a camshaft |
| 01/20/1994 | DE4233250C1 Relative rotary angle adjustment of IC engine control shaft - involves shaft carrying in end area rotary angle-movable, centred and axially secured drive wheel |
| 01/20/1994 | DE4223475A1 Ventilbetätigungsmechanismus A valve operating mechanism |
| 01/20/1994 | DE4223173A1 Valve mechanism for vehicle IC engine - has different lift curves for each pair of valves per cylinder controlled by roller-actuated eccentrics |
| 01/20/1994 | CA2134656A1 Camshaft and method of making a camshaft |
| 01/19/1994 | EP0579592A1 Internal combustion engine comprising a camshaft with axial moving device |
| 01/19/1994 | EP0579590A1 Two stroke internal combustion engine |
| 01/19/1994 | EP0579509A1 Method of producing sintered silicon nitrides |
| 01/18/1994 | US5279274 Ignition system for multi-valve engine |
| 01/18/1994 | CA1326184C Valve operating system of internal combustion engine |
| 01/18/1994 | CA1326183C Valve operating device for use in internal combustion engine |
| 01/18/1994 | CA1326182C Camshaft for controlling valves in internal combustion engines, and a method of manufacturing said camshaft |
| 01/18/1994 | CA1326181C Control method for valve-timing changeover in engine |
| 01/13/1994 | DE4222533A1 Vehicle IC engine control system - operates engine under full torque conditions with control for optimum gear ratio and optimum fuel consumption. |
| 01/13/1994 | DE4221962A1 Simultaneous clamping of several components on two axially spaced clamping points - involves widening probe, between two clamping points, with region of reduced dia. than that with two sealing rings |
| 01/12/1994 | EP0577877A1 Adjusting shim |
| 01/11/1994 | US5277160 Internal combustion engine with dual intake passages servicing a single intake valve |
| 01/11/1994 | CA1325883C Process for producing a connection |
| 01/06/1994 | WO1994000679A1 A method for controlling the working cycle in an internal combustion engine and an engine for performing said method |
| 01/06/1994 | WO1994000676A1 Phase change mechanism |
| 01/06/1994 | WO1994000675A1 Actuator for the valve gear of an internal combustion engine |
| 01/05/1994 | EP0576768A1 Valve driving system for multicylinder internal combustion engine |
| 01/05/1994 | DE4320146A1 Machine with camshaft and levers operating valves - has pivoting levers with axis located on common support plate. |
| 01/05/1994 | DE4221892A1 Timing adjustment for IC engine - has timing gear on camshaft movable relative to camshaft in limited control range |
| 01/05/1994 | DE4221418A1 Cam profile for IC engine valve operation - has re-defined profile calculation for area from cam peak to flank. |
| 01/05/1994 | DE4221138A1 Pressure transfer insert for tension rails in IC- engines - has steep thread for automatically engaging and centring in rail when turned |
| 01/05/1994 | DE4221097A1 Valve control for IC engine - has cam follower with adjustable length to ensure constant valve opening stroke. |
| 01/05/1994 | DE4220816A1 Adjustable valve control for IC engine - has adjustable intermediate member between cam and pivot lever along guide path |
| 01/05/1994 | DE4220584A1 Steuerungseinrichtung für den Ventiltrieb einer Brennkraftmaschine Control means for the valve train of an internal combustion engine |
| 01/05/1994 | DE4218078C1 Vorrichtung zur selbsttätigen, kontinuierlichen Winkelverstellung zwischen zwei in Antriebsverbindung stehenden Wellen Apparatus for automatic, continuous angular displacement between two drive-connected wave |
| 01/04/1994 | US5275138 Variable valve timing system in an engine having two cam-shafts |
| 01/04/1994 | US5275137 Valve operating system for engine |
| 12/29/1993 | EP0474794B1 Hydraulic tappet |
| 12/29/1993 | EP0455763B1 Hydraulic control device for the valves of a multi-cylinder internal-combustion engine |
| 12/28/1993 | US5273710 Process of manufacturing a member having a shaft-receiving opening |
| 12/28/1993 | US5273013 Device for controlling an outlet valve in the engine brake mode |
| 12/28/1993 | US5273006 Deactivatable valve control arrangement for internal combustion engines |
| 12/28/1993 | US5273005 Enlarged shaft roller lifter with retention means |
| 12/28/1993 | US5272930 Mechanical element having a shaft pressure-fitted into an engaging member and its manufacturing method |
| 12/28/1993 | CA1325563C Intake device for an internal combustion engine |
| 12/23/1993 | WO1993025808A1 Internal combustion engine for portable power generating equipment |
| 12/23/1993 | WO1993025803A1 Method and device for motor-braking by means of a multi-cylinder internal combustion engine |
| 12/22/1993 | EP0575044A1 Camshaft drive for an automotive engine |
| 12/22/1993 | EP0574867A1 A device for operating a valve in an internal combustion engine |
| 12/22/1993 | CN2150338Y Self-floating air valve push rod |
| 12/21/1993 | US5271360 Valve opening and closing timing control apparatus |
| 12/21/1993 | US5271229 Method and apparatus to improve a turbocharged engine transient response |
| 12/21/1993 | CA2014696C Dynamic valve mechanism of internal combustion engine |
| 12/21/1993 | CA1325364C Valve operation control system of internal combustion engine |
| 12/16/1993 | DE4318293A1 Drag lever for IC engine poppet valve - combines two pistons longitudinally displaceable between lever and working chamber |
| 12/16/1993 | DE4219435A1 Switching-off system for IC engine valve - uses bolt with stop insertable via opening in cup tappet |
| 12/15/1993 | EP0573674A1 Roller rocker arm and process for manufacturing the same |
| 12/15/1993 | EP0573662A1 Engine for automobile |
| 12/14/1993 | US5269270 Four-stroke cycle internal-combustion engine |
| 12/14/1993 | US5269268 Tappet in an internal combustion engine and method of manufacturing the same |
| 12/13/1993 | CA2096858A1 Seal assembly |
| 12/09/1993 | WO1993024740A1 Method and apparatus to improve engine transient response |
| 12/09/1993 | WO1993024738A1 Engine braking utilizing unit valve actuation |
| 12/09/1993 | WO1993024737A1 Continuous automatic angular adjustment device for two shafts in driving relationship |
| 12/09/1993 | WO1993024736A1 Continuous angular adjustment device for two shafts in driving relationship |
| 12/09/1993 | DE4317607A1 Variable valve drive for poppet valve in vehicle IC engine - uses working chamber in cup tappet controlled by throttle opening as valve moves position |
| 12/09/1993 | DE4233788A1 Valve control system for IC engine - has valve separator movable by control member to regulate discharge sequence |
| 12/09/1993 | DE4218488A1 Valve actuation mechanism for IC engine - has connecting rod movable between first and second positions in drag lever recesses |
| 12/07/1993 | US5267538 Mechanical valve tappet for an internal combustion engine |
| 12/07/1993 | US5267536 Four-stroke engine having an improved valve mechanism |
| 12/07/1993 | CA1324933C Valve lever with ball bearing pivot |
| 12/02/1993 | DE4317527A1 Automatic angular adjustment of camshaft relative to crankshaft |
| 12/02/1993 | DE4218082A1 Vorrichtung zur kontinuierlichen Winkelverstellung zwischen zwei in Antriebsverbindung stehenden Wellen Apparatus for continuous angle adjustment between two drive-connected wave |