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Document Title |
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7527029 |
Controller for plant using PWM algorithm
A controller for a plant that can compensate for non-linear property and reduce oscillation of output of a controlled object even when the controlled object has high non-linear property is...
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7527032 |
Method for controlling the operation of a cylinder for an internal combustion engine
The invention relates to a method for controlling the operation of a cylinder for a multi-cylinder four-stroke internal combustion engine, wherein said cylinder interacts with at least one fuel...
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7520254 |
Control apparatus and a control method thereof
A control apparatus for an internal combustion engine including a plurality of cylinders and a changing mechanism the changes a timing at which an intake valve provided for each of the cylinders...
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7513229 |
Apparatus for and method of controlling variable valve mechanism
At the time of obtaining a difference in intake air amount between right and left banks in a V-type engine, a target value of a lift-amount/operation-angle-varying mechanism provided for each of...
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7513228 |
Internal combustion engine
In an internal combustion engine, a variable lift and/or operating angle mechanism variably controls a lift and/or operating angle of an exhaust valve in accordance with a driving condition of the...
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7513231 |
Valve gear of internal combustion engine
There is provided a valve gear ( 11 ) with a motor ( 12 ), a cam mechanism ( 14 ) which converts a rotational motion of the motor ( 12 ) into a linear motion of an intake valve ( 2 ) by a cam ( 21...
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7506623 |
Camshaft adjustment device for an internal combustion engine
The invention relates to a device ( 1 ) for the electrical adjustment of the relative rotary-angle position between a camshaft ( 2 ) and a crankshaft of an internal combustion engine, with an...
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7503300 |
Switchable rocker arm of a valve drive pertaining to an internal combustion engine
A switchable finger lever ( 1 ) for a valve drive of an internal combustion engine is provided. The inner lever ( 3 ) of the finger lever includes a piston ( 6 ) on one end thereof, that can be...
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7503298 |
Valve timing adjusting device
A valve timing adjusting device includes: a first rotor rotating integrally with a crankshaft; a second rotor integrally secured to an intake or exhaust camshaft; and an engaging cavity provided in...
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7503297 |
Valve drive mechanism for engine
A valve drive mechanism for an engine can include a drive shaft that is configured for rotation about an axis. A valve member is configured to be driven by the rotation of the drive shaft to open...
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7503294 |
Apparatus for controlling valve opening/closing timing
A valve opening/closing timing controlling apparatus includes a housing member 3 rotatable together with a timing gear 110 (drive member), a rotor member 2 rotatably assembled with the...
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7503293 |
Adjustable camshaft
The present invention relates to an adjustable camshaft in which an inside shaft and an outside shaft, each being fixedly connected to cams, are mounted so they are rotatable in relation to one...
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7503296 |
Cylinder deactivation apparatus
An internal combustion engine having a cylinder block defining a plurality of cylinders at least half of which are selectively deactivatable by a plurality of switching hydraulic lifters. A source...
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7503115 |
Electromagnetic hydraulic valve, in particular a proportional valve for controlling a device for adjusting the rotation angle of a camshaft relative to the crankshaft in an internal combustion engine, and a method for the production thereof
An electromagnetic hydraulic valve ( 1 ), which including an electromagnet ( 2 ) with an armature ( 3 ) and of a valve housing ( 4 ) with an axial bore ( 5 ) and a piston valve ( 6 ) located...
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7497192 |
Variable valve system with control shaft actuating mechanism
A variable valve system varies an operation condition of an engine valve by controlling an angular position of a control shaft in accordance with an operation condition of the engine. The system...
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7493878 |
Device for variable actuation of the gas exchange valves of internal combustion engines
The invention relates to a device for the variable actuation of the gas exchange valves of internal combustion engines, whereby a continuously revolving cam drives an intermediate member which...
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7490583 |
Full-type rolling bearing and roller cam follower for engine
A full-type rolling bearing that can be used under the conditions of high-speed, heavy-load and lowered viscosity of lubricating oil is provided. The full-type rolling bearing is formed of an outer...
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7484483 |
System and method for variable valve actuation in an internal combustion engine
A system and method for actuating one or more engine valves is provided. In particular, systems and methods for providing variable valve actuation to improve engine performance are provided....
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7484485 |
Variable-valve-actuation apparatus for internal combustion engine
A VVA apparatus includes a control shaft arranged rotatable in accordance with the engine operating conditions, an alteration mechanism for changing a lift amount and an operating angle of an...
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7484484 |
Cylinder deactivation apparatus incorporating a distributed accumulator
A variable displacement internal combustion engine having a cylinder block and a cylinder head attached thereto. The variable displacement internal combustion engine includes at least one switching...
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7484489 |
Dual oil feed structure of cylinder de-activation engine for vehicle
Disclosed is a dual oil feed structure of a cylinder de-activation engine for a vehicle, comprising: (a) a main oil hole supplying oil to a hydraulic lash adjuster to adjust a valve gap; and (b) a...
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7478615 |
Axial fixation of a spring support part of a switchable tappet
The invention relates to an axial fixation ( 17 ) of a spring support part ( 9 ) of a switchable tappet ( 1 ) for direct transmission of a cam stroke to a tappet push-rod ( 7 ) of a valve drive of...
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7475662 |
Actuator for valve lift controller
A feed screw mechanism including a screwed shaft which moves linearly along with the control shaft, and a rotation spindle which rotates in a circumferential direction. The feed screw mechanism...
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7475659 |
Device combustion engine
A device for controlling valve movements in an internal combustion engine includes a rotating camshaft having a cam curve, the camshaft being designed, via a rocker arm, to interact with a valve...
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7472671 |
Valve engine
A valve drive for an internal combustion engine having at least one camshaft which has a toothed shaft ( 2 ) and at least one cam part ( 3 ) with a plurality of different cam paths ( 13, 14 )...
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7469669 |
Variable valve train mechanism of internal combustion engine
A rotational cam can be disposed on a camshaft rotationally driven by a crankshaft of an internal combustion engine. A swing cam can be swingable through the rotational cam. The swing cam has a...
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7469667 |
Method for controlling a variable event valvetrain
A method for controlling a variable event valvetrain during engine start and stop is presented. According to the method, valve lift and/or timing can be adjusted to reduce the amount of oxygen...
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7469668 |
Valve-moving device for engine
In an engine in which a lift amount of a valve can be changed continuously, an engine valve operating system including a valve lift-changing mechanism is capable of increasing and decreasing the...
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7467609 |
Valve-stroke controls
A valve-stroke control apparatus continuously varies the stroke of a valve in an engine, and selectively maintains it in a closed position, while the-engine is in operation. The control apparatus...
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7467610 |
Valve-operating system for internal combustion engine
A valve-operating system for an internal combustion engine includes cam followers which have cam abutment portions abutting against valve-operating cams provided on a camshaft and which are...
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7467042 |
Method and control unit for diagnosing a valve lift adjustment system of an internal combustion engine
A method assesses the functional capability of a gas exchange valve lift adjuster of an internal combustion engine as a function of a measure of rotational oscillation amplitudes of a camshaft. The...
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7464677 |
Compact lash adjuster feed channel apparatus
The apparatus of the present invention provides a lash adjuster feed channel for an engine assembly. The engine assembly includes first and second sets of hydraulic lash adjusters responsive to a...
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7464675 |
Operating an air-hybrid vehicle with camshaft-driven engine valves
An air-hybrid engine operates in two operational modes. It employs uniquely designed camshafts with cam lobe activators, and camshaft phase shifters to operate and control the engine valves. It...
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7461620 |
Variable valve actuation device of internal combustion engine
A valve actuating link is provided for transmitting a combined movement of a drive cam on a cam shaft and a control cam on a control shaft to a valve pressing structure of an engine valve. The...
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7458345 |
Adjusting ballistic valve timing
A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, valve timing can be adjusted in a number of ways. The method can also...
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7458350 |
Engine/valvetrain with shaft-mounted cam followers having dual independent lash adjusters
A multiple cylinder internal combustion engine having a valvetrain with a camshaft disposed within an engine block and at least two valves operated by a common camshaft lobe includes a stationary...
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7458347 |
Apparatus and method for controlling variable valve operating mechanism
In an internal combustion engine equipped with a variable valve operating mechanism that performs a valve timing control and a valve lift amount control of at least one of an intake valve and an...
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7458346 |
Method for controlling valves of an engine having a variable event valvetrain during an engine stop
A method for controlling a variable event valvetrain during engine stop conditions is described. According to the method engine valves may be controlled to so that subsequent engine starting may be...
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7458348 |
Method and apparatus for controlling variable valve actuation device in internal combustion engine
In a V-type engine provided with a variable valve timing mechanism and variable valve lift mechanism for an intake valve, a torque difference between respective banks is obtained. In a region in...
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7458349 |
Valve train apparatus for 4 stroke-cycle internal combustion engine
A valve train apparatus of 4 stroke-cycle internal combustion engine includes an intake cam shaft, an exhaust cam shaft, an eccentric cam shaft, an intermediate lever, a rocker arm, and an intake...
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7451729 |
Variable valve mechanism
The present invention provides a variable valve mechanism which includes a rotating cam provided on a camshaft, a swing arm that contacts with the rotating cam to swing, a drive arm that drives a...
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7444967 |
Variable valve device for internal combustion engine
A variable valve device includes a camshaft which is rotatably provided in an internal combustion engine while having a cam, a rocker shaft which is arranged next to the camshaft, a valve which is...
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7444969 |
Variable valve timing apparatus
In the case where an intake valve has its phase in a first region between a most retarded angle and CA( 1 ), the rotational speed of relative rotation between an output shaft of an electric motor...
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7441521 |
Variable valve mechanism
A first arm member and a second arm member are provided. The first arm member is positioned between a cam and a valve body to oscillate in synchronism with the rotation of the cam. The second arm...
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7441522 |
Valve characteristic control device for internal combustion engine and method of the same
A lift time area is calculated based on an actual valve working angle of an intake valve and an engine rotational speed. Then, a control gain of a feedback control is set based on the lift time area.
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7438032 |
Method and device for controlling an internal combustion engine
The invention relates to an internal combustion engine comprising an inlet tract, leading to the inlet to a cylinder where a gas inlet valve is arranged. A valve drive for the gas inlet valve is...
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7434556 |
Engine valve actuation system
A valve actuation system is provided. The system has an engine valve moveable between a first position at which the engine valve prevents a flow of fluid relative to the engine valve and a second...
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7434553 |
Variable valve mechanism for engine
In a variable valve mechanism, a control shaft is associated with an advance oil passage such that the same passage is closed by the control shaft when a maximum valve lift amount of an intake...
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7430997 |
Variable valve operating device for engine
A variable valve operating device is provided that can swiftly adjust a valve timing of an engine and is for adjusting a valve lift and the valve timing of the engine. The variable valve operating...
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7431000 |
Valve-actuating for internal combustion engine
A pair of link arms each supported at one end thereof on an engine body for swinging movement about an axis parallel to a rotational axis for a valve-operating cam are connected at the other ends,...
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