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Match Document Document Title
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...
7308874 Valve mechanism for an internal combustion engine  
A valve drive mechanism for actuating a valve of an internal combustion engine includes a cam member with a cam surface having a first portion and a second portion. A roller is configured to rotate...
7308873 Variable valve control system for internal combustion engine  
A variable valve control system for an internal combustion engine, includes a valve to open and close an opening of a combustion chamber of the engine, a variable lift characteristic control...
7308872 Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation  
A valvetrain system mechanization for an internal combustion engine using compression ignition, including homogeneous charge compression ignition, having two intake and one or more exhaust valves...
7306202 Apparatus for an internal combustion engine  
Apparatus and method for controlling valve movements in an internal combustion engine that has at least one inlet valve ( 12 ) and at least one exhaust valve for controlling the connection between...
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...
7305945 Method for changing the lift of an inlet valve of an internal combustion engine  
In a method for changing the lift of inlet valves of an internal combustion engine between a partial lift and a full lift, the lift of the inlet valves being controlled by at least one camshaft,...
7302923 Variable valve timing device adapted for internal combustion engine  
A variable valve timing device includes a cam shaft, a rocker arm rotatably supporting the first roller and enabling a valve to be opened by a swing movement thereof when a first roller is pressed,...
7302922 Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device  
The invention is characterized in that the gas exchange valves of a cylinder are displaced in a displacement unit ( 15, 34 ) jointly and independently of the displacement of the displacement...
7299776 Valve assembly for an internal combustion engine  
A valve assembly for an internal combustion engine includes: at least two valves supported by a pair of valve stem holders; a bracket; a closing actuator for pivoting and closing the valves upon...
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...
7299774 Valve control  
The invention relates to a valve control for actuating at least one valve, especially an inlet or outlet valve of an internal combustion engine, wherein the dimension of the valve lift of the at...
7296546 Device for the variable actuation of the gas exchange valves of internal combustion engines, and method for operating one such device  
The invention relates to a device for the variable actuation of gas exchange valves for internal combustion engines, wherein at least one cam ( 2 ) pertaining to a camshaft ( 1 ) mounted in a...
7296405 Variable flow reducing valve and gradual control valve distribution system for a compressed air injection engine operating on mono or multi energy and other engines or compressors  
A variable flow reducing valve and distribution system is disclosed for compressed air injection engines operating on mono or dual energy with dual or triple supply mode and comprising a high...
7293540 Valve operating assembly and method of manufacturing  
The present invention relates to a leakdown plunger, comprising a first plunger opening, a second plunger opening, and an outer plunger surface that is provided with an axis and encloses an inner...
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...
7290512 Variable valve apparatus of internal combustion engine  
A variable valve apparatus of an internal combustion engine includes a cam shaft, a drive cam formed integrally with the cam shaft, and a rocker arm mechanism for transmitting an opening/closing...
7290511 Valve train for internal combustion engine  
A valve train includes a primary rocker arm 50 which is oscillated about a primary oscillating center line L 4 by an inlet cam 21 , a secondary rocker arm 60 which transmits a valve drive...
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...
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...
7284519 Device for hydraulic lash adjustment  
A device ( 1 ) for the hydraulic lash adjustment for several identically acting gas-exchange valves per cylinder of a valve train of an internal combustion engine is provided, the device ( 1...
7284515 Variable valve apparatus of internal combustion engine  
In a variable valve apparatus according to the present invention, a direction of a maximum load generated during valve lift at an oscillating fulcrum of a transmission arm with respect to a control...
7284514 Engine control system  
A system for improving engine operation during a condition of engine controller degradation is presented. According to one aspect of the description, the engine may continue to operate if the...
7281505 Variable lift valve operating system for internal combustion engine  
In a variable lift valve operating system for an internal combustion engine, an actuator for rotatably driving a control shaft of a variable lift mechanism is mounted on an engine body. The...
7281504 Valve train device for engine  
A valve train device for an engine is configured to pivot a rocker arm supported on a rocker arm support shaft to drive a valve which opens and closes a valve opening formed in a combustion...
7278384 Timing mechanism for a switchable two-step roller finger follower  
A two-step roller finger follower having a movable high-lift portion and a low-lift portion. A lock pin mechanism in the low-lift portion includes a lock pin that may be driven hydraulically into...
7263956 Valve lifter assembly for selectively deactivating a cylinder  
A valve lifter assembly for deactivating a cylinder in an internal combustion engine. The valve lifter assembly is provided with a plunger movably disposed within a bore of a main body member to...
7261074 Continuously variable valve lift system for engines  
Disclosed herein is a continuously variable valve lift system for an engine which is able to variably adjust valve lift and opening duration of intake and exhaust valves operated by the rotation of...
7261073 Valve drive  
The invention relates to a valve timing mechanism, in particular for four-cycle engines, having the following components: a rocker arm frame ( 2 ) which has two bars ( 34, 35 ) for...
7258100 Internal combustion engine control  
A method for controlling the output of an internal combustion engine includes opening an intake valve on a cylinder; receiving air from an intake manifold into the cylinder during an intake stroke...
7258090 Intake air amount control apparatus for internal combustion engine  
An intake air amount control apparatus is mounted on a vehicle having an automatic transmission 30 that switches the shifting pattern for the gear ratio between two modes. The intake air amount...
7258089 Variable valve unit for vee shape engine  
A rocker arm mechanism opens and closes an intake valve. The intake valve is driven by cam of a cam shaft. The rocker arm mechanism is provided in each of bank. The rocker arm mechanism has a...
7255076 Variable valve lift apparatus for vehicle engines  
The present invention provides a variable valve lift apparatus for vehicle engines. A low-speed arm is installed in a high-speed arm to overlap the high-speed arm. A compression pin, a center pin,...
7252058 Lift-variable valve-operating system 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...
7252057 Apparatus and method for controlling internal combustion engine  
An electronic control unit increases the maximum lift amount or the working angle of an intake valve if it is determined that the operation for stopping an engine is performed. The electronic...
7252055 Valve controller  
A valve controller includes a detector detecting a shutdown command signal to shutdown an engine, a driving circuit for driving a motor, and a power source controller. The power source controller...
7246673 Hybrid powertrain with engine valve deactivation  
A vehicle powertrain includes an engine and an electric motor in parallel hybrid combination. The engine includes a plurality of cylinders and a plurality of selectively deactivatable cylinder...
7246585 Valve-deactivating hydraulic lifter having a vented internal lost motion spring  
A deactivating hydraulic valve mechanism includes a hydraulic element assembly disposed within a pin housing slidably disposed within a bore in a body. A transverse bore in the pin housing contains...
7246579 Actuator for valve lift controller  
An actuator for a valve lift controller comprises a case forming a first and second spaces therein. The first space is supplied with lubricating fluid. The actuator further comprises a feed screw...
7246578 Valve operating mechanism of internal combustion engine  
A valve operating mechanism of an internal combustion engine, comprises a drive cam rotatable with and eccentric to a drive shaft; a link arm having a circular opening in which the drive cam is...
7243633 HEV internal combustion engine pre-positioning  
A method for controlling an engine that operates with negative valve overlap between an intake valve and an exhaust valve during at least some conditions, the method comprising of providing an...
7243625 Variable valve control system and method for internal combustion engine  
There is provided a variable valve control system for an internal combustion engine, including an intake valve event and lift control mechanism capable of varying an operation angle of an intake...
7240652 Switchable drag lever of a valve timing mechanism of an internal combustion engine  
A switchable drag lever ( 1 ) of a valve timing mechanism of an internal combustion engine is proposed, having an outer lever ( 3 ) and an inner lever ( 4 ) which is arranged between the said outer...
7240649 Valve actuation device of internal combustion engine  
A rocker arm is swingably supported by a control shaft that has an eccentric control cam formed thereon. The rocker arm is swung by a torque of a crankshaft of the engine. Two swing cams are...
7234426 Variable valve apparatus of internal combustion engine  
A variable valve apparatus of an internal combustion engine adopts a structure in which, a transmission arm is laid out such that, when a distance from a contact point where a cam contacts a...
7234425 Actuator for valve lift controller  
An actuator for a valve lift controller linearly driving a control shaft of a changing mechanism comprises a feed screw mechanism including a screwed shaft linearly moving along with the control...
Matches 1 - 50 out of 1489 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >