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Match Document Document Title
7389757 Force-transmitting arrangement for a valve train of an internal-combustion engine  
A force-transmitting arrangement ( 4 ) for a valve train ( 1 ) of an internal-combustion engine ( 2 ) with hydraulic valve play compensation device ( 6 ) with a hollow cylindrical compensation...
7387096 Lift-variable valve-operating systems for internal combustion engine  
A lift-variable valve-operating system for an engine, includes a subsidiary cam swingably carried on a movable support shaft. A cam follower is operatively connected to an engine valve and follows...
7383801 Valve gear for load change valves of internal combustion engines  
A valve gear arrangement for load change valves of internal combustion engines has an intermediate element that is pivoted on a lever in the cylinder head, to activate the load change valves. The...
7383800 Assembly for actuating apparatus  
A rotary shaft is formed with an external screw thread; a movable nut is engaged with the rotary shaft, and arranged to move axially in accordance with rotation of the rotary shaft; and a link...
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...
7377247 Adjustable valve rocker lever of a valve timing gear of an internal combustion engine  
An adjustable valve rocker lever ( 1 ) of a valve timing gear of an internal combustion engine comprising an inner lever ( 3 ) and an outer lever ( 4 ) enclosing the former with its arms ( 2 ), the...
7377241 Valve operating system for internal combustion engine  
In a valve operating system for an internal combustion engine provided with valve operating characteristics changing member capable of changing operating characteristics of an engine valve, the...
7377240 Method for operating an internal combustion engine  
In a method for controlling an actuating device of a valve element of an intake system and/or an exhaust gas system of the internal combustion using an actuating variable, a periodic compensation...
7373907 Valve lifter guide  
A valve lifter guide ( 100, 900, 1100 ) includes at least one conduit ( 101, 901, 1101 ). The conduit ( 101, 901, 1101 ) has a first inwardly-curved surface ( 103 ) opposed to a second...
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...
7367299 Variable ratio rocker assembly  
A variable ratio rocker assembly for increasing the amount of air entering a combustion cylinder. The rocker assembly includes a rocker arm adapted to move a valve between a closed position and an...
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....
7367297 Valve train for internal combustion engine  
A valve train includes a primary rocker arm 50 oscillating about a primary oscillating center line L 4 in response to the rotation of an inlet cam 21 , a secondary rocker arm 60 oscillating...
7363899 Valve drive of an internal combustion engine  
A valve drive ( 1 ) for an internal combustion engine with a lever-type cam follower ( 7 ) is provided, which is used for the variable adjustable transmission of a raised section ( 2 ) of a cam ( 3...
7363894 Switchable valve-drive component  
A switchable valve-drive component ( 1 ) for variable transmission of a stroke generated by one or more cam projections to a gas-exchange valve of an internal combustion engine is provided. The...
7363893 System for variable valvetrain actuation  
An electromechanical VVA system for controlling the poppet valves in the cylinder head of an internal combustion engine. The system varies valve lift, duration, and phasing in a dependent manner...
7363891 Plant control  
A plant control includes determining a control input into the plant to cause a control output of the plant to converge to a desired value. A value of at least one parameter for adjusting a speed of...
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...
7360515 Control apparatus for an internal combustion engine  
A variable valve mechanism performs a valve lift switching operation for an intake valve. ECU defines valve lift switching characteristics corresponding to the engine operating region and executes...
7357107 Valve system for internal combustion engine  
There is provided a valve system for an internal combustion engine, in which a rocker shaft required to have a higher stiffness has a larger diameter. A rocker shaft on an intake side is formed to...
7350491 Lash adjuster and valve system  
An added-motion hydraulic valve system is disclosed. The added-motion hydraulic valve system includes an engine valve actuator that causes movement of an engine valve, fluid that moves through a...
7350490 Connection element for the captive mounting of a lever-like cam follower  
A connection element ( 9, 10 ) is provided for the captive mounting of a lever-type cam follower ( 1 ), which is used to actuate a gas-exchange valve ( 5 ) of an internal combustion engine, on a...
7350486 Variable valve actuation mechanism  
The present invention discloses a variable valve actuation mechanism, characterized in that movement of a sliding block is controlled for selectively receiving a driving force exerted from an...
7347173 Valve timing control system for internal combustion engine  
A valve timing system for an internal combustion engine includes a phase alteration mechanism interposed between a driving rotator and a driven rotator and having a direction turning point at which...
7347171 Engine valve actuator providing Miller cycle benefits  
An engine valve actuator providing Miller cycle benefits and a method of operating an engine valve actuator are disclosed. The valve actuator employs a first force to hold an exhaust valve of 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...
7331318 Camshaft adjuster with play-free locking  
Camshaft adjusters according to the swivel motor principle may be provided with a bar which arrests the rotor in a position relative to the stator. A bar according to the invention is provided with...
7331316 Control apparatus and control method for internal combustion engine  
If it is determined that an engine has been started, an engine coolant temperature is detected. If the engine coolant temperature is equal to or lower than a threshold value, the catalyst quick...
7325522 Valve drive for a cam-operated valve  
A valve drive ( 1 ) for a cam-operated valve ( 2 ) of an internal combustion engine is provided, in which a closing force is applied to the valve ( 2 ) against the opening direction of the valve (...
7325521 System and method for improved cam retard  
A system and method to control valve timing and valve lift of an engine is described. The intake valve timing can be retarded while the valve is in a low lift or high lift mode. The method can...
7322328 Variable cam follower for an internal combustion engine  
A variable cam follower ( 1 ) is provided for changeable transmission of a lifting movement of a cam to valve train elements allocated to the cam follower ( 1 ) in an internal combustion engine....
7322327 Lubrication structure of camshaft with variable valve timing  
A lubrication structure for a camshaft with variable valve timing includes an advance hole, which includes an advance flow passage formed in a camshaft body. An end of the camshaft is attached to a...
7322325 Apparatus and methods for varying valve lift in an internal combustion engine  
Apparatus and methods for varying valve lift in an internal combustion engine are disclosed. The apparatus include a rocker arm having an elongate aperture and a shaft configured to pass through...
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...
7318402 Dual lift rocker arm latch mechanism and actuation arrangement therefor  
A valve control system for an engine having a camshaft with first and second cam profiles, the valve control system comprising a rocker arm assembly including a first rocker arm having a first cam...
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...
7318398 Engine valve actuation system  
An engine valve actuation system includes an engine valve moveable between a first position that blocks a flow of fluid and a second position that allows a flow of fluid. The system also includes a...
7318314 Method of controlling a supercharged internal-combustion engine with at least two cylinders and engine using such a method  
A supercharged internal-combustion engine has at least two cylinders with a combustion cycle during which a cylinder ( 10 ) of the engine is in the intake phase with burnt gas scavenging in the...
7316210 Control apparatus and control method for variable valve actuation mechanism of internal combustion engine  
An electronic control unit sets a target valve actuation parameter in accordance with an operating state of an internal combustion engine, and controls a variable valve actuation mechanism such...
7314041 EGR control system for internal combustion engine  
An EGR control system that is capable of controlling the amount of recirculation of high-temperature and low-temperature recirculated gases, with high accuracy, to thereby improve the control...
7314029 Variable valve timing device adapted for internal combustion engine  
A variable valve timing device, adapted for an internal combustion engine, includes a cam shaft having a first cam surface, a rocker arm rotatably supporting a first roller and enabling a valve to...
7314028 Control apparatus for internal combustion engine  
A control apparatus for an internal combustion engine for controlling the engine while compensating for a deviation of an intake air amount from the proper value, caused by the thermal expansion...
7314027 Variable valve unit for internal combustion engine  
A variable valve unit for an internal combustion engine includes a first arm opening and closing a valve, a second arm driven by a cam, a third arm receiving a displacement of the second arm to...
7311073 Continuous variable valve lift apparatus  
A continuous variable valve lift (CVVL) apparatus adjusting a valve lift, duration of valve opening and closing, and a valve timing includes a cam rotating by a cam shaft, a first shaft having a...
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...
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...
Matches 1 - 50 out of 1193 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >