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7624710 |
Valve timing controller
A valve timing controller includes a first rotor having a first gear, a second rotor having a second gear, and a planet gear engaged with the first and the second gear. The first rotor has the...
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7621243 |
Valve timing controller
A valve timing controller includes a first rotary element having a first gear part, a second rotary element having a second gear part, and a planetary gear including a third gear part and a fourth...
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7614370 |
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 includes a seat formed in the sprocket at the appropriate position of intermediate rotation...
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7614372 |
Bias spring arbor for a camshaft phaser
A torque bias coil spring for a camshaft phaser disposed in an annular well formed in the phaser rotor and having a central arbor for supporting the spring. The radius of the central arbor is such...
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7610884 |
Valve timing control system
A first-side check valve prevents a hydraulic fluid from being discharged out of a retard chamber, and a second-side check valve prevents the hydraulic fluid from being discharged out of an advance...
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7610885 |
Variable drive for camshafts
A rotor ( 2 ) and/or rotor housing ( 1 ) for a camshaft adjuster for a motor vehicle engine and a method for manufacturing the same.
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7603975 |
Valve timing controller
A valve timing controller includes a first gear rotating together with a crankshaft, a planetary carrier eccentric to the first gear, a second gear engaging with the planetary carrier. The second...
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7597075 |
Electrically driven camshaft adjuster
Adjustment device ( 1 ) for adjusting a relative rotational angle position of a camshaft ( 3 ) relative to a crankshaft of an internal combustion engine is provided. The adjusting device includes a...
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7597073 |
Valve timing control apparatus
A valve timing control apparatus includes a driving side rotational member synchronously rotatable with a crankshaft of an internal combustion engine, a driven side rotational member arranged...
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7584731 |
Camshaft adjuster for an internal combustion engine
A camshaft adjuster for an internal combustion engine comprises a stator having inwardly projecting stator vanes, which are distributed over the periphery of the stator and which have at least one...
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7584729 |
Variable valve timing controller for internal combustion engine
A motor current (driving current of motor) is estimated based on a target motor speed, an actual motor speed, and an engine speed. When the estimated motor current exceeds the upper limit value...
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7584728 |
Method and apparatus for operating an oil flow control valve
An oil flow control valve ( 10 ) in a combustion engine is operated for affecting a cam phaser ( 26 ) disposed at an output side of said oil flow control valve ( 10 ). The cam phaser includes a...
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7578271 |
Valve timing controller
A valve timing controller is provided with a first rotary element including a first gear part, a second rotary element including a second gear part, and a third rotary element including a third...
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7578274 |
Camshaft adjuster
A locking unit of a camshaft adjuster ( 1 ) for an internal combustion engine is provided, in which a locking pin ( 19 ) establishes a positive connection between a driving element and a driven...
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7571700 |
Valve timing control apparatus
A valve timing control apparatus includes a rotor linked to a camshaft of an internal combustion engine. A drive member is linked to the drive shaft of the internal combustion engine and supports...
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7572117 |
Inner rotor of internal gear pump having convex small circular arc parts
A crankshaft and an mounting hole have two main circular arc parts on the same circle; and two connecting parts for connecting the adjacent main circular arc parts, and have a cross-sectional shape...
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7568458 |
Valve event reduction through operation of a fast-acting camshaft phaser
A variable cam timing system for an engine with at least one camshaft comprising: a housing, a rotor, and a controlled bypass. The housing has an outer circumference for accepting drive force and...
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7565889 |
Valve timing control apparatus
A valve timing control apparatus includes a locking mechanism that can minimize the accumulation of foreign material in a concave engagement part, can minimize the penetration of foreign material...
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7556000 |
Camshaft phaser having designated contact vane
In a vane-type camshaft phaser, one vane extends over a much larger internal angle than the other two vanes. Because of its size and strength, the large vane is the vane designated for contact with...
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7523728 |
Phaser for controlling the timing between a camshaft and a timing gear
A phaser for controlling the timing between a camshaft and a timing gear having a rotor with at least one vane and a stator with at least one recess the phaser allowing limited rotational movement...
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7513230 |
Camshaft adjusting device
A camshaft adjusting system for an internal combustion engine has a camshaft adjusting device with a first hydraulic chamber and a second hydraulic chamber, wherein the first and second hydraulic...
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7513233 |
Variable valve timing controller for internal combustion engine
In a case of switching the control mode between the reference timing control mode and the F/B control mode, when an engine speed is greater than or equal to a predetermined speed, and when target...
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7513232 |
Adjustable camshaft, in particular for internal combustion engines for motor vehicles having a hydraulic adjusting device
An adjustable camshaft has at least one adjusting element of an adjusting system fixedly connected to inner and outer shafts that is at least partially in tight contact at the end with a connection...
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7513226 |
Hydraulic control system for a switching valve train
An engine is provided having an engine block, a cylinder head mounted to the engine block, a valve train mounted to the cylinder head, and a cam cover extending over the valve train and mounted to...
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7513227 |
Valve timing control device
A valve timing control device includes a driving side rotational member, a driven side rotational member, a retarded angle chamber, an advanced angle chamber, a first control valve, a supply...
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7506622 |
Valve timing control system
One of retard passages, which supplies working fluid to one of retard chambers, is a dedicated passage. The other remaining retard passages, which supply the working fluid to the other remaining...
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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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7500455 |
Valve timing control apparatus
In a guide groove of a guide rotator of a valve timing control apparatus, a stopper surface is planar and is positioned in an end of the guide groove. The stopper surface is engageable with a...
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7497193 |
Rotor of a camshaft adjuster
The present invention describes a new rotor and a corresponding method of manufacture for a rotor according to the invention in which a sleeve as a structural component takes over oil guidance...
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7493880 |
Non-circular rotary component
A non-circular sprocket component comprises a rotor ( 11 ) having a plurality of teeth ( 16 ) arranged around the perimeter of the rotor, each tooth having a crown ( 9 ), and each pair of adjacent...
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7484486 |
Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters
A drive for valve drive operating control systems in motor vehicles, preferably for camshaft adjusters, includes at least one drive wheel and functional parts, such as a cover, a stator, a closing...
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7481191 |
Variable valve timing control apparatus of internal combustion engine
A variable valve timing control apparatus of an internal combustion engine, has a drive rotary member rotated by an engine crankshaft; a driven rotary member fixed to a camshaft that has a cam...
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7472670 |
Valve timing controller
In a valve timing controller, the guide-groove biases the moving element in a direction in which the moving element slides with respect to a radial line connecting a center of the guide-rotational...
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7469670 |
Adjustable camshaft
The present invention relates to an adjustable camshaft ( 1 ) in which an inside shaft ( 4 ) is rotatably mounted with respect to an outside shaft ( 2 ). To create a relative rotational movement...
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7467611 |
Rate limiting and balancing control system for dual independent camshaft phasing
A method for controlling dual independent camshaft phasers in an internal combustion engine. The method has three basic steps: a) first, determining if rate balancing between the two phasers is...
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7458351 |
Valve timing controller
A valve timing controller includes a guide rotation member provided with a guide groove, a bearing rotation member radially supporting the guide rotation member, and a plurality of movable bodies...
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7451730 |
Method for adjusting the position of the angle of rotation of the camshaft of a reciprocating piston internal combustion engine in relation to the crankshaft
In a method for setting the rotary-angle position of the camshaft of a reciprocating piston internal combustion engine relative to the crankshaft, in which the crankshaft has a drive connection to...
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7444964 |
Variable valve timing control device
A variable valve timing control device includes a driving side rotational member ( 2 ) synchronously rotating with a crankshaft, a driven side rotational member ( 1 ) positioned coaxially with the...
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7444968 |
Variable phase drive coupling
A variable phase drive coupling is described for providing drive from an engine crankshaft to two sets of cams. The drive coupling comprising a drive member 12 connectable for rotation with the...
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7441524 |
Valve timing control apparatus for internal combustion engine and control method thereof
In a structure with a variable valve timing mechanism which varies an opening-and-closing timing of an intake valve and/or an exhaust valve due to a rotational phase of a camshaft with respect to a...
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7438035 |
Cam drive apparatus having a magnetic gear
A cam drive apparatus comprising a magnetic gear adapted to communicate rotational movement between a crankshaft and a cam shaft, wherein said magnetic gear comprises an outer member comprising a...
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7421990 |
Harmonic drive camshaft phaser
A camshaft phaser comprising first and second harmonic gear drive (HD) units disposed in back-to-back relationship. Each HD includes an elliptical wave generator (WG), a flexspline (FS) deformable...
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7418934 |
Valve timing controller
A valve timing controller is provided with a first rotary element that rotates in response to a crankshaft, a second rotary element that rotates in response to a camshaft. Multiple link mechanisms...
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7409937 |
Hydraulic control system for internal combustion engine
A hydraulic control system for an internal combustion engine, includes a driven mechanism driven by hydraulic pressure fed through a flowing passage change-over valve. The flowing passage...
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7395791 |
Valve timing controller with a stopper
A valve timing controller is disclosed that includes first and second rotating elements, and a phase changing mechanism including arm members coupling the first and second rotating elements. The...
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7387097 |
INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20
The invention relates to a device ( 101 ) for varying the control times of gas exchange valves of an internal combustion engine, with a hydraulic actuation device ( 102 ) and with a control valve (...
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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...
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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...
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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...
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