Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
11/2000
11/30/2000WO2000071858A2 Rotary valve systems
11/30/2000DE19961064A1 Vorrichtung und Verfahren zum Detektieren ventilbezogener Fehlerzustände für einen Verbrennungsmotor Apparatus and method for detecting valve-related error conditions for an internal combustion engine
11/30/2000DE19954586A1 Valve setting control system for internal combustion engine adopts required advance parameter value smaller than in normal state until predefined time period is measured
11/30/2000DE19954573A1 Valve control system for internal combustion engine learns phase difference between crankshaft and camshaft angles at mechanically fixed position when engine is not idling
11/30/2000DE19923902A1 Verbrennungsmotor Combustion engine
11/30/2000DE19920176A1 Aerodynamic valve for combustion engines has kidney-shaped valve plate and two initially separate inlet channels brought together in front of valve seat
11/30/2000DE19916675A1 Vorrichtung zur relativen Winkelverstellung einer Nockenwelle A device for relative angular adjustment of a camshaft
11/30/2000CA2374805A1 Valve device of engine
11/28/2000US6152098 Internal combustion engine for a portable handheld work apparatus
11/23/2000DE19922746A1 Hydraulic setting unit operating process, e.g. for camshaft, involving using hydraulic pressure to break off pressurizing of setting chamber and locking element
11/23/2000DE10024553A1 Producing assembled low weight camshaft for motor vehicle engine, using a cylindrical shaft element with a diameter dimensioned that it forms a narrow slide seat in the hub of the cam and the bearing elements
11/23/2000DE10023420A1 Automobile combustion engine control device has phase of inlet valve camshaft and/or outlet valve camshaft adjusted when fuel ratio is enriched for removing nitrous oxide from exhaust catalyser
11/22/2000EP0946775B1 Iron based metal powder mixture and component made therefrom
11/22/2000EP0920577B1 System for angular adjustment of a shaft relative to a driving gear
11/22/2000EP0890019B1 Internal combustion engine
11/21/2000US6148791 Apparatus for and method of controlling internal combustion engine
11/21/2000US6148787 Accessory drive for engine
11/21/2000US6148780 Hydraulic element assembly
11/21/2000US6148779 Internal combustion engine having hybrid cylinder valve actuation system
11/21/2000CA2018298C Cold-formed rocker arm with bearing flanges and splash plate
11/16/2000WO2000068565A1 Valve system having improved opening and breathing characteristics for internal combustion engines
11/16/2000WO2000068547A1 Device for adjusting the angle of rotation of a camshaft in relation to the crankshaft of a reciprocating internal combustion engine
11/16/2000DE19921891A1 Valve operating arrangement for a multiple cylinder IC engine allowing compact cylinder head layout
11/16/2000DE19921667A1 Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber der Kurbelwelle einer Hubkolben-Brennkraftmaschine A device for rotational angle adjustment of a camshaft relative to the crankshaft of a reciprocating piston internal combustion engine
11/16/2000DE19921360A1 Valve actuator for internal combustion engine has compensation elements between inlet valves and camshaft for compensating different distances between camshaft axis and valve seats
11/16/2000DE10014320A1 Engine braking unit operated from the valve rocker unit for an IC propelled vehicle
11/15/2000EP1052391A2 Compression self-igniting gasoline engine
11/15/2000EP1052381A2 Solenoid-operated valve control apparatus for internal combustion engine
11/15/2000EP1052379A2 Camshaft phaser for an internal combustion engine
11/15/2000EP1052378A2 A control device of an internal combustion engine
11/14/2000US6145485 Variable valve operating mechanism for an internal combustion engine
11/14/2000US6145375 Timing device
11/09/2000DE19921215A1 Making guide for cam follower used in internal combustion engine, using auxiliary part covering axial cavity for rotation preventing fitting
11/09/2000DE19920512A1 Vorrichtung zur Betätigung eines Ventiles mit variablem Hub an Brennkraftmaschinen Apparatus for actuating a valve with variable stroke in internal combustion engines
11/08/2000EP1050669A2 Valve driving arrangement with variable lift for an internal combustion engine
11/08/2000EP1050668A1 Rocker pivot shaft for an internal combustion engine
11/08/2000CN1272589A Piston valve type air valve timing face value variable mechanism
11/07/2000US6142129 Breather apparatus for engine
11/02/2000WO2000065212A1 Sturman power module and methods of operation
11/02/2000WO2000065202A1 Roller finger follower
11/02/2000EP1048824A2 Combustion engine with frontal gear drive
11/02/2000EP1047863A1 System and method for controlling camshaft timing, air/fuel ratio and throttle position in an automotive internal combustion engine
11/02/2000EP1047650A1 Method for increasing the wear-resistance of a work piece
11/02/2000DE19951989A1 Combustion engine entry/exit valve timing control system incorporates learning device for compensating response delay of valve timing adjustment by valve setting mechanism
11/02/2000DE19919660A1 Method for temporary locking of crankshaft in IC engines with detachable connection of part segment of timing sprocket to end face of engine
11/02/2000DE19919659A1 Brennkraftmaschine mit Stirnradgetriebe Internal combustion engine with spur gear
11/02/2000DE19919594A1 Applying biasing force to endless drive component, especially chain in internal combustion engine by detecting vibration characteristics of engine or chain and adjusting force accordingly
11/02/2000DE19919245A1 Valve drive for IC engines with pre-tension forces of first and second compression spring, and hydraulic medium pressure phased relative to each other
11/02/2000DE10013518A1 Automotive valve rocker arm has elongate lever comprising lockable valve and cam engagement portions mounted for rocking movement about shaft, each portion having bush rotatable about each other and shaft
11/02/2000DE10003056A1 Control system for internal combustion engine detects fault on basis of set target advance angle, detected actual valve timing and stored value of detected actual timing
11/01/2000CN1271810A System and method for detecting malfunction related to valve of internal combustion engine
11/01/2000CN1271804A Valve driving device
10/2000
10/31/2000US6138636 Apparatus for controlling multi-cylinder internal combustion engine with partial cylinder switching-off mechanism
10/31/2000US6138631 Cylinder head for an internal-combustion engine
10/31/2000US6138627 Valve operating arrangement for engine
10/31/2000US6138626 Operating lever for a valve train of an internal combustion engine
10/31/2000US6138625 Compact head assembly for internal combustion engine
10/31/2000US6138624 Tappet socket assembly for rocker lever assembly and method of assembling the same
10/31/2000US6138623 Device for adjusting the phase angle of a camshaft
10/31/2000US6138622 Device for adjusting the phase angle of a camshaft of an internal combustion engine
10/31/2000US6138621 Internal combustion engine with variable valve actuation
10/31/2000US6138620 Valve operating system in an internal combustion engine
10/29/2000CA2306694A1 Bearing insert for supporting rotatable shafts, method of repair, and related broach tool
10/26/2000WO2000063447A2 Method and device for hardening surfaces of a crankshaft or camshaft
10/26/2000DE19947390A1 Kipphebelanordnung Rocker arm assembly
10/26/2000DE19929296A1 Device to vary the timing of IC engines has two wheel pairings with drive and take-off pulleys, gas exchange element, and adjusting mechanism for wheel pairings
10/26/2000DE19918592A1 Stellantrieb zur Positionierung eines Stellmittels Actuator for positioning an actuating means
10/26/2000DE19917772A1 Internal combustion engine; has knocking sensor connected to evaluation electronics, which receive signals during movement of gas exchange or injection valve
10/26/2000DE19916853A1 Brennkraftmaschine Internal combustion engine
10/26/2000DE19914910A1 Hybridmodell zur Modellierung eines Gesamtprozesses in einem Fahrzeug Hybrid model for the modeling of an overall process in a vehicle
10/26/2000DE10017459A1 Lubricated sliding element, especially an adjusting shim for an i. c. engine valve operating mechanism, has a hard carbon-based film surface containing nitrogen and-or oxygen and-or having a low hydrogen content
10/26/2000DE10014113A1 Solenoid valve drive device for operating a magnetic flux includes two or more solenoid valves adjacent to each other with windings, yokes and an armature.
10/25/2000EP1046793A2 Variable cam timing system and method
10/25/2000EP1046792A2 Driving device for positioning setting means
10/25/2000EP1046791A2 Rocker arm assembly lubrication
10/25/2000EP1046790A1 Camshaft chain drive for a double overhead camshaft internal combustion engine
10/25/2000EP1045960A1 Engine valve actuation control system
10/25/2000CN2402805Y Air valve push rod for IC engine
10/24/2000US6135078 Variable valve timing control apparatus for an internal combustion engine
10/24/2000US6135077 Valve timing changing apparatus for internal combustion engine
10/24/2000US6135076 Device to activate the variable distribution valves of internal combustion engines
10/24/2000US6135075 Variable cam mechanism for an engine
10/19/2000WO2000061930A1 Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power
10/19/2000WO2000061928A1 Internal combustion engine
10/19/2000WO2000061921A1 Device for adjusting the angle of rotation of a camshaft with regard to the crankshaft of a reciprocating internal combustion engine
10/19/2000WO2000061920A1 Device for adjusting the relative angle of a cam shaft
10/19/2000WO2000061919A1 Setting valve clearances on overhead camshaft internal combustion engines
10/19/2000DE19916644A1 Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber der Kurbelwelle einer Hubkolben-Brennkraftmaschine A device for rotational angle adjustment of a camshaft relative to the crankshaft of a reciprocating piston internal combustion engine
10/19/2000DE19913870A1 Positioning sensor used for operating electromagnetic control of valves has a capacitor coupled to a lifting movement
10/18/2000EP1044318A1 Method for producing a constructed cam shaft and cam shaft
10/17/2000US6131541 Variable valve performance mechanism in internal combustion engine
10/12/2000DE19915532A1 Switchable cam tracker or support element, with casing boring coming out in form of flattening
10/12/2000DE19915531A1 Cam tracker for valve drive of internal combustion engine, with locking element such as piston fixed in inner element receiver
10/12/2000DE10015835A1 Valve timing control device, with rotating element, rotation transmission element, vane, compression chamber and oil containing device
10/12/2000DE10007087A1 Stössellageraufbau für einen Kipphebelaufbau und Verfahren zur Herstellung desselben Pushrod bearing structure for a Kipphebelaufbau and method for manufacturing the same
10/11/2000EP1043482A2 Camshaft phaser for an internal combustion engine
10/11/2000EP1043481A1 Overhead ring cam engine with angled split housing
10/11/2000EP1042592A1 Actuating device for a gas-exchange valve in an internal combustion engine
10/11/2000CN1269460A Valve side-fitted type four-stroke engine
10/10/2000US6129063 Device for changing the rotational position of a shaft relative to a drive wheel and method of making same