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Match Document Document Title
7389756 Control valve for an apparatus for variable setting of the control times of gas exchange valves of an internal combustion engine  
The invention relates to a control valve ( 20 ) for an apparatus ( 1 ) for the variable setting of the control times of gas exchange valves ( 110, 111 ) of an internal combustion engine ( 100 ),...
7383802 Valve timing adjusting apparatus  
In a valve timing adjusting apparatus, an outer peripheral surface of each projection of an internal gear, which is received in a corresponding engaging hole of a guide rotator, may have reduced...
7383799 Method for monitoring the operating condition of an engine valve system  
A system is provided for monitoring changes in the operation of a valve system of an engine. An accelerometer provides vibration-related signals that are obtained by a microprocessor or similarly...
7380530 Camshaft adjuster with a superposition drive  
A drive connection with a camshaft adjuster for an internal combustion engine is provided. A free end of the camshaft adjuster is coupled with an accessory unit, especially a vacuum pump, in a...
7380529 Method for adjusting an angle of rotation, and phase displacement device for carrying out said method  
A method for adjustment of the relative angle of rotation between a camshaft and a crankshaft in an internal combustion engine through an electromechanical phase adjuster is provided. The invention...
7377245 Valve timing controller  
A valve timing controller includes an electric motor generating a cogging torque on the motor shaft, an current control means for controlling an electricity supplied to the electric motor, and a...
7377244 Camshaft adjuster for an internal combustion engine and a method for operating a camshaft adjuster  
In a camshaft adjuster for an internal combustion engine including a gear mechanism, an input drive element, a camshaft as an output element, and a brake mechanism for braking an adjustment input...
7377243 Adjusting mechanism for a camshaft arrangement  
In an adjusting mechanism which is connected to first and second camshafts of a camshaft drive arrangement including a control device for adjusting the phase position of at least one of the...
7377242 Valve timing adjusting apparatus  
A driving-side rotatable body includes a driving-side inner gear, which has an axial extent that does not overlap with an axial extent of a driven-side inner gear of a driven-side rotatable body. A...
7370617 Variable valve operating mechanism of four-stroke internal combustion engine  
A variable valve operating mechanism of a four-stroke internal combustion engine includes a slide pin energized by a pin spring in a direction while oil pressure acting on the slide pin in the...
7367300 Electric valve drive with a rotating actuator  
Valve drive for an internal combustion engine having a valve which is axially displaceable between an open position and a closed position and is prestressed by a locking spring in the direction of...
7367298 Variable valve gear for internal combustion engine  
A variable valve gear for internal combustion engines, having at least one camshaft and pivot lever disposed in the cylinder head, which lever contacts a valve that closes by means of spring force....
7363897 Vane-type cam phaser having bias spring system to assist intermediate position pin locking  
A vane-type camshaft phaser for varying the timing of combustion valves in an internal combustion engine. The phaser includes a seat formed in the sprocket at the appropriate position of...
7363896 Variable valve timing control device of internal combustion engine  
A required valve timing change rate Vreq is calculated so as to make a deviation D between a target valve timing VTtg and an actual valve timing VT small and then a required speed difference...
7360516 Variable valve timing apparatus executing reference position learning and control method thereof  
A current value of an intake valve phase calculated based on a sensor output is smoothed along the direction of time axis in accordance with a smoothing factor, whereby a phase detection value is...
7353789 Angular camshaft position adjustment drive  
In an adjusting mechanism having an adjusting device for adjusting a phase position of a camshaft in relation to a crankshaft of an internal combustion engine, and a drive gear driven by the...
7343887 Apparatus for abnormal diagnosis of variable valve timing mechanism  
An abnormality diagnosis system 100 includes a VVT controller 110 , an adjustable valve mechanism 120 , a cam angle sensor 130 , a model computation module 140 , an abnormality detection...
7341031 Valve timing controller  
A valve timing controller includes a housing which is biasedly assembled in such a manner that the housing is previously moved in a direction where a rotor knocks the housing. A camshaft rotatably...
7341030 Valve timing controller  
A valve timing controller is provided with a first rotary element that rotates in response to the movement of a crankshaft, a second rotary element that rotates in response to the movement of a...
7341029 Adjusting device for a camshaft  
An adjusting device for the rotational position of the camshaft of a reciprocating piston engine relative to the crankshaft has a variator which is designed as a three-shaft transmission having a...
7331319 Cam hub mounting assembly  
A cam hub mounting assembly for a camshaft having a cam cover rotationally mounted within a cam cover retainer with a bearing retainer ring therebetween having a plurality of slots, each slot...
7322326 Valve timing control apparatus  
A valve timing control apparatus includes a driven shaft for actuating an intake valve and/or an exhaust valve of an engine. A housing member rotates together with a driving shaft of the engine. A...
7322324 Valve operating apparatus of internal combustion engine  
In a valve operating apparatus of an engine capable of varying a valve lift characteristic, rotary motion of a drive cam is converted through a motion-conversion linkage including a rocker arm into...
7322323 Valve actuation control apparatus for internal combustion engine  
After a delay control for extending a period from when an engine stop request is made to when the engine actually stops is started, the electronic control unit changes the valve timing and the...
7318401 Variable chamber volume phaser  
A variable cam timing phaser including a housing, a rotor coaxially located within the housing, a phase control valve, a switching valve, and a passage connecting the first advance and retard...
7318400 Locking pin mechanism for a vane-type cam phaser  
A rotor-locking mechanism for a vane-type camshaft phaser. A locking pin is disposed in the rotor and is permitted to travel into a well in either the rear cover or the front cover of the phaser....
7318399 Variable valve mechanism  
A valve train comprises a poppet valve 18 actuated by two rotatable cams 30, 32 which can preferably be phase shifted relative to one another. A first rocker 39 is supported on a fixed rocker...
7316212 Cam phase control system for internal combustion engine  
A cam phase control system for an internal combustion engine, which is capable of suppressing deviation of the cam phase which is caused by a sudden change in the engine speed due to the structure...
7316211 Adjusting device  
The invention relates to an adjusting device for adjusting two parts ( 2,3 ) with respect to one another that is used as a cam shaft adjuster. The objective of the invention is, with an easy and...
7311072 Control unit for a valve, especially a gas exchange valve of an internal combustion engine  
A gas exchange valve of an internal combustion engine, has valve lifting movements with valve displacement curves and a control unit. To this end, a control unit is provided for operation of at...
7311070 Variable valve system of internal combustion engine and method of assembling same  
A variable valve system of an internal combustion engine varies an operation manner of an engine valve by controlling an angular position of a control shaft. The system comprises a stopper...
7308878 Valve timing control apparatus  
A valve timing control apparatus includes a driving side rotational member, a driven side rotational member formed with a plurality of recessed portions into which a supporting jig is insertable at...
7308877 Variable valve timing controller for internal combustion engine  
A variable valve timing controller adjusts valve timing of an intake valve and/or an exhaust valve by varying a motor speed relative to a camshaft. When an engine is running under a predetermined...
7308875 Intake control apparatus of internal combustion engine  
An intake control apparatus of an internal combustion engine including respective intake valves 5 opened when intake air reaching respective branch intake paths r 1 from a main intake path Rim...
7305946 Variable valve operating apparatus for internal combustion engine  
A variable valve operating apparatus including a drive cam, a rocker cam pivotally supported on a first pivot, a lift varying mechanism operative to change a pivotal position of the rocker cam to...
7299775 Variable valve operating device  
A variable valve operating device is provided that allows an ideal valve timing-lift characteristic to be realized by associating a change in a valve timing with a change in a valve lift amount. A...
7296547 Device for adjusting the camshaft of an internal combustion engine and a mounting tool  
The invention relates to a device ( 1 ) for adjusting the camshaft of an internal combustion engine, which has an internal rotor ( 2 ) which can be adjusted rotationally in relation to an external...
7293538 Overhead camshaft drive assembly  
A variable timing camshaft drive assembly for an internal combustion engine utilizes a single cam phaser, driven by an engine crankshaft, capable of operating multiple camshafts carried on multiple...
7293537 Variable valve mechanism control device and control method  
With a variable valve timing system, engine operability may be lost when performing open control of lift characteristic amounts to the minimum or the maximum of a variable range when a sensor error...
7290513 Device for changing the control times of gas exchange valves in an internal combustion engine, in particular, a rotating piston adjustment device for angular adjustment of a camshaft relative to a crankshaft  
A device for changing the control times of gas-exchange valves in an internal combustion engine is provided, which includes a drive wheel ( 2 ) in driven connection with the crankshaft and a vane...
7287499 Camshaft assembly  
A camshaft assembly comprises an inner shaft 12 and an outer tube 14 surrounding and rotatable relative to the inner shaft. Two groups of cam lobes are mounted on the outer tube 14 , the...
7287498 Valve timing control apparatus and its assembling method  
In valve control apparatus for an internal combustion engine and its assembling method, a positioning section is interposed between a predetermined position of a housing member at which a shoe is...
7287497 Engine valve actuation system and method  
The present invention provides a valve actuation system for an internal combustion engine. The valve actuation system of the present invention may provide an increased range of auto-ignition...
7284521 Shaft mechanism, in particular camshaft of automotive engines  
A camshaft of an automotive engine includes two concentric contra-rotating shafts mounted one inside the other, namely an inside shaft and an outside shaft, at least one cam rotatably mounted on...
7284518 Drive plate assembly and method of assembling a powertrain  
A drive plate assembly includes a plate member adapted for mounting to an engine block. The plate member has first and second gears mounted thereto such that they intermesh. The backlash of the...
7284517 Camshaft to phaser coupling  
An engine is described having a camshaft 10 formed of an inner shaft 12 and an outer tube 14 both of which rotate with respective groups of cams 18 and 16 . A drive train driving both the...
7284516 Internal combustion engine with hydraulic device for adjusting the rotation angle of a camshaft in relation to a crankshaft  
A hydraulic device in an internal combustion engine for adjusting a rotation angle of a camshaft in relation to a crankshaft includes a tubular stator and a rotor connected in fixed rotative...
7275506 Device for the variable setting of the control times of gas-exchange valves of an internal combustion engine  
The invention relates to a device ( 1 ) for the variable setting of the control times of gas-exchange valves of an internal combustion engine, with a driving element ( 12 ), with a driven element (...
7273025 Camshaft adjuster having a means for securing against modification  
Camshaft adjusters which work in accordance with the operating principle of a hydraulic oscillating motor comprise at least two components arranged parallel to one another. Frequently, the two...
7273024 Engine with variable valve timing  
An engine is described having two camshafts 14, 16 each of which carries two groups of cams and comprises an inner shaft coupled for rotation with a first group of cams and an outer tube...
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