Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
09/1999
09/07/1999US5947069 Roller type mechanical tappet
09/07/1999US5947067 Valve timing adjustment device
09/07/1999US5946800 Method for producing rocker arms
09/05/1999CA2225048A1 Attain's new engine ports and valve trains
09/02/1999WO1999043936A1 Free-piston internal-combustion engine
09/02/1999WO1999043930A1 Device for adjusting the movement path of the gas shuttle valve of an internal combustion engine
09/02/1999WO1999043929A1 Locking unit for a device for modifying the timing of charge change valves in internal combustion engines, especially for a vane-cell control device
09/02/1999WO1999043928A1 Locking unit for a device for modifying the timing of charge change valves in internal combustion engines, especially for a vane-cell control device
09/02/1999WO1999027242A3 Device to limit valve seating velocities in limited lost motion tappets
09/02/1999DE19808619A1 Verriegelungseinrichtung für eine Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere für eine Flügelzellen-Verstelleinrichtung Locking means for an apparatus for varying the control times of gas exchange valves of an internal combustion engine, especially for a vane-cell adjusting device
09/02/1999DE19808618A1 Verriegelungseinrichtung für eine Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere für eine Flügelzellen-Verstelleinrichtung Locking means for an apparatus for varying the control times of gas exchange valves of an internal combustion engine, especially for a vane-cell adjusting device
09/02/1999DE19808574A1 Reciprocating piston engine with internal exhaust return
09/02/1999DE19808051A1 Cylinder head of IC engine
09/02/1999CA2320075A1 Free-piston internal-combustion engine
09/01/1999EP0939205A1 Internal combustion engine with variable hydraulic valve actuating system
09/01/1999EP0819038B1 Machine part
08/1999
08/31/1999US5943990 Tappet in an internal combustion engine and a method of manufacturing the same
08/31/1999US5943989 Valve timing control device
08/26/1999WO1999042712A1 Internal combustion engine
08/26/1999DE19807941A1 Support element for valve operated drive of engine prevents hydraulic fluid from leaking in tilted position
08/26/1999DE19807675A1 Cylinder head for IC engine with camshaft
08/26/1999DE19807513A1 Timing device for engine with specifically arranged notched elements
08/26/1999DE19807315A1 Cam shaft drive with internally toothed axle can be additionally used for adjustment of rotation angle
08/26/1999CA2321042A1 Internal combustion engine
08/25/1999EP0937865A1 Variable valve timing apparatus
08/25/1999EP0687341B1 Powdered metal camshaft assembly
08/25/1999CN1226632A Intake and exhaust method for achieving lean combustion in engine
08/24/1999US5941203 To control opening/closing timing of intake/exhaust valve of ic engine
08/24/1999US5941202 Device for varying valve timing
08/19/1999DE19806675A1 Device for variable control of valves of reciprocating piston internal combustion engine
08/18/1999EP0936346A2 Cam profile in a valve drive device
08/17/1999US5937812 Camshaft for internal combustion engines
08/17/1999US5937811 Variable valve system
08/17/1999US5937810 Valve timing control device
08/17/1999US5937808 Valve timing control system for internal combustion engine
08/17/1999US5937806 Closed-loop camshaft phaser control
08/17/1999US5937805 Apparatus and method for controlling valve timing of engine
08/17/1999CA2222979A1 Direct engagement mechanisms, or dem
08/12/1999DE19903624A1 Variable valve timing regulator for IC engine
08/12/1999DE19903594A1 Adjustable valve control device for controlling valve timing in internal combustion (IC) engine
08/12/1999DE19805511A1 Control valve for hydraulic valve timing control for IC engine
08/12/1999DE19804943A1 IC engine, especially four stroke engine
08/12/1999DE19804942A1 IC engine, especially four stroke engine
08/11/1999EP0935053A2 Chain tensioning device for an internal combustion engine
08/11/1999EP0596127B1 Automobile engine
08/11/1999CN1225707A Pulling piston engine
08/10/1999US5934263 Internal combustion engine with camshaft phase shifting and internal EGR
08/10/1999US5934246 Intake and exhaust method for achieving lean combustion in an engine
08/10/1999US5934236 In an internal combustion engine
08/10/1999US5934235 Camshaft support arrangement in the cylinder head of an internal combustion engine
08/10/1999US5934234 Assembly structure of a shaft having a fixed sprocket
08/10/1999US5934233 Apparatus for adjusting the basic position of a camshaft adjustment unit of an internal combustion engine
08/10/1999US5934232 Engine valve lift mechanism
08/10/1999CA2001464C Rocker arm for operating two valves
08/05/1999DE19903622A1 Variable valve control arrangement for internal combustion engine
08/05/1999DE19804323A1 Motor vehicle gas change valve tappet switching
08/05/1999DE19803303A1 Motor vehicle cylinder valve variation
08/05/1999DE19803246A1 Motor vehicle charge change valve actuator
08/04/1999EP0932749A1 Method for the dimension checking of the timing system of an engine
08/04/1999CN1224795A Shaft-assembling structure for internal combustion engine
08/03/1999US5931754 Tensioner for a power transmitting member of an internal combustion engine
08/03/1999US5931133 Roller cam follower bearing shaft retention
08/03/1999US5931132 For an internal combustion engine
08/03/1999US5931130 Desmodromic distribution system for four-stroke engines
08/03/1999US5931129 Valve-operating device for engine with two banks and variable valve timing and working angle mechanism
08/03/1999US5931128 Variable valve mechanism and internal combustion engine with the same
08/03/1999US5931127 Variable valve timing mechanism for an internal combustion engine
08/03/1999US5931126 Valve timing control device
08/03/1999US5931125 Piston internal combustion engine variable action valve lifter system
08/03/1999US5931124 Valve timing for internal-combustion engines
08/03/1999CA2112211C Cylinder head assembly
07/1999
07/29/1999WO1999037893A1 Variable valve apparatus
07/29/1999WO1999037892A1 Intake and exhaust valve system
07/29/1999CA2319171A1 Variable valve apparatus
07/29/1999CA2221622A1 Attain's new spring assembly (ansa)
07/28/1999EP0931958A1 Timing chain with timing marks and method of manufacturing the same
07/28/1999EP0931604A1 Method and apparatus for manufacturing composite camshafts
07/28/1999EP0931205A1 Method and system of converting thermal energy into a useful form
07/28/1999CN2330789Y Engine secondary air one-way valve device
07/27/1999US5927245 Combustion chamber for engine
07/27/1999US5927239 Apparatus for adjusting valve timing of gas exchange valves in an internal combustion engine
07/22/1999WO1999036678A1 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
07/22/1999WO1999036677A1 Cam and cam followers for engines
07/22/1999DE19902095A1 Motor valve control mechanism
07/22/1999DE19801866A1 Motor valve control with at least two inlet and outlet valves for each cylinder
07/22/1999DE19801679A1 Phase-adjustable planetary gear has a drive input shaft and a drive output shaft
07/22/1999DE19801603A1 Motor valve cam follower assembly
07/21/1999EP0930421A1 Cylinderhead
07/21/1999CN2329768Y Automatic correct timing system for air-in and air-out and supplying oil
07/21/1999CN1223332A Device for making hydraulic regulation to the relative turning angle between one axle and one driving wheel
07/21/1999CN1223331A Device for regulating relative position between one axle and driving wheel
07/21/1999CN1223330A Device for making hydraulic regulation to the relative turning angle between one axle and one driving wheel
07/20/1999US5924397 Variable valve performance apparatus for engine
07/20/1999US5924396 Engine valve actuating system
07/20/1999US5924395 System for regulating valve timing of internal combustion engine
07/15/1999WO1999035376A1 Engine valve actuation control system
07/15/1999WO1999035374A1 System and method for controlling camshaft timing, air/fuel ratio and throttle position in an automotive internal combustion engine
07/15/1999WO1999035373A1 Method for producing a constructed cam shaft and cam shaft
07/15/1999DE19800904A1 Two stroke motor especially for portable power tools
07/13/1999US5922479 Brazing alloy and composite assembly joined by using the same