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With Means For Varying Timing

With Means For Varying Timing patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Internal-combustion Engines


Poppet Valve Operating Mechanism > With Means For Varying Timing



Camshaft and follower geometry
05/21/15 - 20150136051 - An internal combustion engine includes a camshaft with a lobe rotatable about a camshaft axis and a follower and which follows the lobe and is reciprocated along a follower axis by the lobe. A contact force is generated between the lobe and the follower such that the contact force is...

Continuously variable valve timing device
05/14/15 - 20150128888 - A continuously variable valve timing device is provided and includes a cam sprocket connected with a camshaft having a plurality of cams to rotate the camshaft and an electric variable valve timing mechanism connected with the cam sprocket, and driven by an electric motor. A chain cover protects the cam...

Holding structure of oil control valve
05/14/15 - 20150128889 - A holding structure of an oil control valve includes an oil control valve, a cam holder, and a head cover. A valve portion is provided on a second end side of the oil control valve opposite to a first end side in a longitudinal direction. The valve portion is configured...

Control valve
04/30/15 - 20150114328 - A control valve includes a valve body, which defines first, second, and third valve passageways. The valve body also defines a supply passageway. The control valve includes a first spool movable relative to the valve body between first and second positions. The control valve includes a second spool movable relative...

Valve timing controller
04/30/15 - 20150114329 - Provided is a valve timing controller capable of quickening a response in varying a relative rotational phase. When the valve timing controller is under a locking state, if an ECU outputs a phase maintenance signal indicative of a phase maintaining state wherein control for maintaining the relative rotational phase within...

Camshaft assembly
04/23/15 - 20150107540 - A camshaft assembly can control the motion of the intake or exhaust valves of an internal combustion engine and includes a base shaft extending along a longitudinal axis. The camshaft assembly further includes an axially movable structure mounted on the base shaft and axially movable relative to the base shaft....

Connecting structure of multiple variable valve lift apparatus
04/16/15 - 20150101552 - A variable valve lift apparatus that has a simplified configuration is provided. The apparatus includes a camshaft and first and second cam forming portions inserted with the cam shaft to rotate together with the camshaft and be movable in a shaft direction of the camshaft, and includes an upper cam...

Engine having continuous variable timing device
04/16/15 - 20150101553 - A control method of an engine having a variable valve timing may include selecting one of a first mode and a second mode as a driving mode, retarding an intake cam to a first predetermined angle range in the first mode, and advancing an intake cam to a second predetermined...

Efficient phaser actuation supply system
04/09/15 - 20150096511 - A hydraulic cam phaser includes at least one of an advance chamber and a retard chamber for receiving hydraulic fluid for advancing or retarding a rotational position of the camshaft. The hydraulic actuation system includes a hydraulic accumulator in selective communication with the at least one of the advance and...

Cam phaser with eccentric lantern gear component
03/26/15 - 20150083061 - A cam phaser transmission device is adjustable in rotation angle with a drive gear and output gear arranged coaxial to a rotation axis of the transmission device, having a revolving transmitter element and actuating device. The transmitter element is arranged eccentric relative to the rotation axis and formed as a...

Variable valve timing control unit
03/19/15 - 20150075459 - A variable valve timing control unit includes an intake-side variable valve timing control apparatus, an exhaust-side variable valve timing control apparatus, an intake-side phase control valve selectively performing supply and discharge of fluid relative to an advanced angle fluid passage and a retarded angle fluid passage of the intake-side variable...

Valve timing control apparatus
03/19/15 - 20150075460 - A spool has a connection passage that connects a supply port and a discharge port with each other according to a position of the spool in an axial direction. A valve seat is arranged in the connection passage. The connection passage has a supply hole passing through the spool in...

Variable valve actuation apparatus of internal combustion engine
03/19/15 - 20150075461 - A variable valve actuation apparatus includes a lock pin slidably disposed in a slide bore formed in a rotor of a vane rotor, a retaining hole formed in an inner face of a sprocket, and a lock-hole structural member fixed and press-fitted into the retaining hole and configured to form...

Valve timing adjusting device
03/19/15 - 20150075462 - In a valve timing adjusting device, a second rotation body includes a second sun gear part provided inside of a first rotation body, and is connected to a drive shaft or a driven shaft through inside of the sprocket part to be rotated corresponding to the drive shaft or the...

Variable valve system
03/19/15 - 20150075463 - A control device controls a valve timing changer to retard a phase of an exhaust valve camshaft with respect to a crankshaft such that the time of opening of an intake valve is earlier than the time of closing the exhaust valve after a top dead center, when a determiner...

Valve timing control
03/19/15 - 20150075464 - A valve timing control having a stator body constructed of a plastic material. The stator body has an annular side wall and a front plate which, together, define a plurality of annularly spaced internal cavities within the stator body. A rotor having a plurality of vanes is positioned within the...

Multiple variable valve lift apparatus
03/12/15 - 20150068473 - A multiple variable valve lift apparatus connected with a valve opening and closing unit which is adapted to rolling-contact one end thereof with a cam and is operated to open or close by a rotation of the cam, and operating to select the cam which is rolling-contacted with the valve...

Engine having variable valve timing device
03/12/15 - 20150068474 - An engine having a variable valve timing device of the present invention may include a valve disposed to open/close a port, an elastic member for supporting the valve elastically to close the port, a first camshaft having a first cam formed thereon for moving the valve to open the port...

Continuously variable valve lift/timing apparatus
03/12/15 - 20150068475 - A continuously variable valve lift/timing apparatus includes: a cam provided on a camshaft; a swing arm rotatable about a first end connected to a cylinder head and includes a second end; an actuating arm which includes: a rotation shaft rotatably coupled to the second end; an output cam coupled to...

Engine having continuously variable valve timing mechanism
03/12/15 - 20150068476 - An engine having a variable valve timing mechanism may include a camshaft having a cam formed thereon for moving an intake or exhaust valve, a variable rotation unit disposed on the same axis with the camshaft to rotate the camshaft to have a retard angle chamber and an advance angle...

Variable cam phaser for automobile engine and controller therefor
03/12/15 - 20150068477 - This invention provides an improved variable cam phaser for an automobile engine equipped with a controller capable of enabling execution of a given phase angle varying command in a shortened response time. The variable cam phaser has two control rotors which are arranged coaxial with a camshaft and rotatable relative...

Oil supply device
03/05/15 - 20150059667 - An oil supply device includes a plurality of hollow cam shafts, cam shaft journals, and a shaft side path. The hollow cam shafts have through holes that pass in a longitudinal direction from interior to exterior thereof. The cam shaft journals are provided on every position at which the through...

Continuous variable valve lift device
03/05/15 - 20150059668 - A continuous variable valve lift device includes a rotatable input shaft, an input cam rotating with the input shaft, a control shaft rotatably disposed parallel to the input shaft, an input rocker mounted to, and rotatable round, the control shaft so as to be in contact with the input cam...

Variable valve timing control device
03/05/15 - 20150059669 - A variable valve timing control device includes a driving side rotation member, a driven side rotation member, a control valve controlling a supply and draining of an operation fluid to and from a fluid pressure chamber to change a relative rotational phase of the driven side rotation member relative to...

Variable valve timing control device
03/05/15 - 20150059670 - A variable valve timing control device includes a driving side rotation member, a driven side rotation member, a fluid pressure chamber, a first flow path and a second flow path allowing a flow of an operation fluid into and out of the fluid pressure chamber, an intermediate member being provided...

Control valve
03/05/15 - 20150059671 - A control valve includes a valve case, a spool accommodated in the valve case, an electromagnetic solenoid operating the spool along a spool axis extending in a longitudinal direction, the valve case including a pump port, an advanced angle port, a retarded angle port, and an unlocking port, the spool...

Valve control for internal combustion engine and internal combustion engine
03/05/15 - 20150059672 - The invention relates to a valve control means (1) for an internal combustion engine, having two cams (2, 3) which are arranged one behind another on a camshaft (20), the cams (2, 3) having different cam contours, a drag lever system (4), having a first lever (5), a second lever...

Valve timing control apparatus
02/26/15 - 20150053156 - A valve timing control apparatus includes: a rear plate; a housing fixed to the rear plate; and a vane rotor which is able to rotate relative to the housing. The vane rotor includes a rotor and a vane extending from the rotor outward in a radial direction to divide an...

Method and apparatus for winding a return spring with a two piece rotor for a cam phaser
02/26/15 - 20150053157 - A camshaft phaser, including: a drive sprocket; a stator; a rotor at least partially rotatable with the stator; a rotor extension fixedly connected to the rotor, having a slot at at least one outer circumferential position; a spring for biasing the rotor relative to the stator, having a first and...

Mechanically controllable valve train assembly, internal combustion engine and method for operating an internal combustion engine
02/19/15 - 20150047586 - A valve train assembly for an engine comprising cylinders, each comprising a gas inlet and a gas outlet valve. A camshaft comprises a peripheral contour. A valve stoke adjusting device comprises a control shaft comprising control contours. An intermediate lever arrangement comprises an intermediate lever comprising a working curve which...

Operating internal combustion engines
02/19/15 - 20150047587 - A control system is disclosed for operating an internal combustion engine. The control system includes a control unit configured for providing a part load mode that is optimized for slow operation of the engine at loads up to an upper part load limit in the range from 40% to 75%...

Valve timing adjusting device
02/05/15 - 20150034032 - In a valve timing adjusting device, a vane rotor includes a second supply oil passage connectable to a first supply oil passage of a second shaft. A check valve is provided between the vane rotor and the second shaft, and permits a flow from the first supply oil passage toward...

Mechanically controllable valve drive arrangement
01/29/15 - 20150027392 - A mechanically controllable valve drive arrangement includes gas exchange valves each having cylinders associated therewith, a camshaft comprising a peripheral contour, a bearing, an adjusting lever comprising a first end and a second end, a valve lift adjustment device comprising a control shaft which acts on the first end, and...

Variable displacement pump
01/22/15 - 20150020759 - A variable displacement pump includes an urging mechanism to urge a cam ring in an eccentric direction and to increase the urging force when an eccentricity is decreased, a first control chamber to apply a force to the cam ring in a direction decreasing the eccentricity, and a second control...

Variable valve timing control device for internal combustion engine
01/15/15 - 20150013626 - Intermediate position feedback control is executed when valve timing of an intake valve is at an intermediate lock position, an intermediate lock is needed, and an engine revolution speed is greater than a first engine revolution speed R1. Forced lock control is executed when the valve timing of the intake...

Method of controlling cvvt according to current control for oil control valve
01/08/15 - 20150007787 - A method of controlling a CVVT may include a) checking whether a predetermined time has passed, after engine starts. b) locking an actuator by driving oil control valve with different driving currents in accordance with whether a predetermined time has passed after the engine starts. c) unlocking the actuator or...

Valve timing control apparatus
12/25/14 - 20140373796 - A resin member may include a first side wall, which is placed between a first housing and a laminated body, and a second side wall, which is placed between a second housing and the laminated body. A vane rotor may include a pressing oil passage that is configured to guide...

Camshaft phaser
12/18/14 - 20140366821 - An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser actuated by an...

Method for controlling cam shaft in engine
12/18/14 - 20140366822 - A method for controlling a cam shaft in an engine, may include determining whether a current phase angle of a cam shaft relative to a crank shaft exceeds a predetermined reference range set for determining abnormality of alignment of the cam shaft relative to the crank shaft (S10); when it...

Valve timing adjustment apparatus
12/18/14 - 20140366823 - A main locking mechanism locks a phase at a main locking phase, at which an intake valve is closed at timing later than a bottom dead center, by inserting a main locking member into a main locking hole. A sub locking mechanism locks a phase at a sub locking phase...

Valve timing control apparatus
11/27/14 - 20140345550 - A valve timing control apparatus includes a housing rotor, a vane rotor, a control valve, and a lock mechanism which locks a rotation phase at a stop time and a start time of an engine. The control valve has an atmospheric port communicating with atmosphere air; a discharge port through...

Cam phaser system and method
11/20/14 - 20140338617 - An engine system is provided. The engine system includes a drive component coupled to a first end of a camshaft and mechanically coupled to a crankshaft and a cam phaser coupled to a second end of the camshaft and mechanically coupled to and spaced away from the drive component, the...

Camshaft phaser with a rotor nose oil feed adapter
11/20/14 - 20140338618 - A camshaft phaser, including: a drive sprocket; a phaser section including a rotor with a first radially aligned channels, first axially aligned channels connected to the first radially aligned channels, and chambers formed by the rotor and a stator; and a rotor nose separately formed from the phaser section and...

Valve timing control apparatus
11/20/14 - 20140338619 - A seat surface of a flat head bolt and a seat surface of a front plate are in contact with each other such that a tightening axial tension acts at an axial tension action point in an axial cross-section. A normal vector is perpendicular to the seat surface of the...

Internal combustion engine valve train device
11/13/14 - 20140331949 - An internal combustion engine valve train device of a motor vehicle, includes at least one exhaust valve actuating unit and at least one intake valve actuating unit, and an operating mode switching unit that is provided for switching the exhaust valve actuating unit into an exhaust gas recirculation mode in...

Internal combustion engine valve drive adjustment device
10/30/14 - 20140318485 - In a device for adjusting a valve drive of a motor vehicle internal combustion engine having at least one camshaft provided with first and second cam elements supported in an axially displaceable manner and each having cam tracks for actuating engine valves, the first cam elements have a number of...

Valve opening-closing timing control device and method for attaching front member thereof
10/23/14 - 20140311432 - A valve opening-closing timing control device includes: a driving rotating body that rotates synchronously with a crankshaft; a following rotating body that rotates integrally with a cam shaft; a phase control mechanism that controls changing of relative rotational phases of the driving and following rotating bodies; a torsion coil spring...

Method for estimating the angular position of a crankshaft for accelerating the starting of an internal combustion engine
10/09/14 - 20140299080 - Tolerances_i...

Valve timing control apparatus
10/09/14 - 20140299081 - A valve timing control apparatus includes a temperature sensing member which expands at a main lock phase when a temperature of an engine is higher than or equal to a predetermined temperature so as to prohibit a main lock component from moving out of a main lock hole to a...

Continuously variable valve lift device
10/09/14 - 20140299082 - A continuously variable valve lift device with improved lift amount change accuracy includes a rocker arm causing an engine valve to perform an opening/closing operation with a cam of a cam shaft, and an engine valve lift amount change mechanism. The mechanism has a control shaft which has an eccentric...

Valve timing adjusting device, apparatus for manufacturing same and method for manufacturing same
10/02/14 - 20140290605 - A valve timing adjusting device for and engine includes a sprocket configured to rotate by receiving drive power from a driving shaft, a vane rotor fixed to a driven shaft so as to be rotatable relative to the sprocket, a housing that includes an oil chamber housing the vane rotor...

Valve timing control device for internal combustion engine
10/02/14 - 20140290606 - A valve timing control device includes: a vane rotor having a plurality of vanes; a housing having the vane rotor inside so that an advance chamber is formed on one side of each vane and a retard chamber is formed on the other side; a lock pin inserted in a...

Internal combustion engine
09/25/14 - 20140283769 - An internal combustion engine includes a variable valve timing control apparatus including a driving-side rotating member rotating about a rotary axis by rotational force transmitted from a crankshaft, a driven-side rotating member including at least one fluid pressure chambers partitioned and formed with at least one advanced angle chambers and...

Valve timing control apparatus for internal combustion engine
09/25/14 - 20140283770 - A valve timing control apparatus includes: a first lock mechanism being arranged to lock the vane rotor to a first position between the most retard angle position and the most advance angle position with respect to the housing, and to release the lock; and a second lock mechanism being arranged...

Internal combustion engine
09/25/14 - 20140283771 - An internal combustion engine includes a lift amount adjusting apparatus, a valve opening-closing timing control apparatus, a first assist portion, a second assist portion, and an engine control portion. The engine control portion performs a lift amount adjustment control controlling the lift amount adjusting portion to reduce a push force...

Lost-motion variable valve actuation system with cam phaser
09/25/14 - 20140283772 - Devices and related methods are disclosed that generally involve variable actuation of engine valves. In one embodiment, a valve train for a split-cycle internal combustion engine or an air hybrid split-cycle engine is provided that includes a cam phaser, a dwell cam, an adjustable mechanical element for performing a variable...

Dual lock pin phaser
09/18/14 - 20140261263 - A system including a phaser with a first lock pin and a second lock pin in the rotor assembly. The first and second locks pins having a locked position where they engage a recess in the housing assembly and an unlocked position in which they do not engage the housing...

Variable valve system, control apparatus and variable valve apparatus for internal combustion engine
09/11/14 - 20140251243 - A variable valve system for an internal combustion engine includes a plurality of engine valves provided per one cylinder; a swing arm configured to perform an opening-and-closing operation of at least one of the plurality of engine valves by swinging about a fulcrum given by a support member; a variable...

Valve timing control apparatus
09/11/14 - 20140251244 - A valve timing control apparatus includes: a drive-side rotor rotating in synchronization with a crankshaft of an internal combustion engine; a driven-side rotor arranged to have the same shaft center as the drive-side rotor, rotating in synchronization with a camshaft for opening and closing valves; a fluid pressure chamber formed...

Valve timing control apparatus
09/11/14 - 20140251245 - A valve timing control apparatus includes a driving-side rotation member, a driven-side rotation member, a first lock mechanism selectively achieving a first lock state in which a relative rotation phase of the driven-side rotation member relative to the driving-side rotation member is locked at an intermediate lock phase and a...

Variable valve timing arrangement
09/04/14 - 20140245979 - A variable valve timing arrangement for an engine system is disclosed. The variable valve timing arrangement includes a cam follower configured to follow a cam lobe. A pushrod is operably connected with the cam follower and a pushrod rotation mechanism is configured to selectively rotate the pushrod. Further, a cam...

Valve operating device of engine
08/28/14 - 20140238323 - A valve operating device for an engine is provided. The device includes a cam element formed with an end face cam in one end thereof, and a control member driven by an actuator to project to an actuated position at which the control member is projected to engage with the...

Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events
08/28/14 - 20140238324 - A third motion transfer mechanism transfers valve actuation motion from a second motion source to a first engine valve. A motion decoupler is configured to selectively discontinue the transfer of motion from a first motion transfer mechanism to the first engine valve. Furthermore, a reset mechanism is configured to selectively...

Electronic component accommodation member and valve timing control device equipped with the same
08/21/14 - 20140230763 - An accommodation space formation member forms an accommodation space and a communication hole. The accommodation space accommodates an electronic component. The communication hole communicates the accommodation space with an outside of the accommodation space formation member. A ventilation member is equipped to the communication hole or an opening of the...

Sealing device and camshaft adjuster
08/21/14 - 20140230764 - A sealing device (12) for a camshaft adjuster (1) which is driveable using a belt and has a distributing valve (8) with a piston, wherein the sealing device (12) has a first securing portion (13) rigidly arrangeable on the camshaft adjuster (1), a second securing portion (14) rigidly arrangeable on...

Hydraulic valve for an internal combustion engine
08/14/14 - 20140224198 - A hydraulic valve for use with a lockable cam phaser. The hydraulic valve is configured to limit the flow of pressure medium to both the advance and retard chambers, while allowing a locking pin of the cam phaser to drain. The hydraulic valve effectively limits flow during the self-centering operation...

Valve drive train device
08/14/14 - 20140224199 - In a valve drive train device for an internal combustion engine of a motor vehicle including at least one cam element which is mounted in a rotationally and axially displaceable manner and is provided for actuating at least one gas exchange valve, and at least one gate element which has...

Feed forward dynamic spool valve
08/07/14 - 20140216373 - A method of controlling a spool valve through feedback and feedforward mechanisms is described. In one example, a method includes actuating a spool valve via a solenoid to advance and retard a hydraulic variable cam timing actuator coupled to a camshaft, and while commanded to a null position to maintain...

Valve timing control system for internal combustion engine
08/07/14 - 20140216374 - In a valve timing control system for an internal combustion engine, brushes and slip rings are disposed within a space formed between each of an intake air side and an exhaust side device main frames and each of intake air side and exhaust side cover members and partitioned by means...

Vehicle engine control device
08/07/14 - 20140216375 - A control device of a vehicle engine comprises: an electric motor rotationally driving an engine to start the engine; a variable valve timing mechanism varying a valve timing of an intake valve of the engine; and an intermediate lock mechanism mechanically locking the valve timing at an intermediate position between...

Variable valve timing control apparatus of internal combustion engine and method for assembling the same
07/24/14 - 20140202405 - A variable valve timing control apparatus has a housing; a vane rotor relatively rotating with respect to the housing; a torsion spring always forcing the vane rotor in one rotation direction with respect to the housing; and a spring guide accommodating therein the torsion spring. At least a part of...

Varably operated valve system for multi-cylinder internal combustion engine and control apparatus for variably operated valve system
07/24/14 - 20140202406 - In a variably operated valve system for a multi-cylinder internal combustion engine and a control apparatus for the variably operated valve system, a first valve stop mechanism is configured to switch between a valve operation state in which one of a pair of intake valves from among the pair of...

Starting device of spark-ignition multi-cylinder engine
07/24/14 - 20140202407 - A starting device of a spark-ignition multi-cylinder engine is provided. The device includes a multi-cylinder engine body having cylinders, fuel injection valves, ignition plugs, an intake valve drive mechanism for opening and closing intake valves, a hydraulic variable valve phase mechanism for changing a close timing of each intake valve,...

Flexible coupling/linkage for an actuator
07/24/14 - 20140202408 - A flexible coupling linkage (14) anchors a housing (16) that at least partially encloses a rotor (18) of an actuator (22) against rotation, while allowing free movement of the housing (16) in two other planes relative to the rotor (18) to match an angular rotational plane orientation of the rotor...

Solenoid valve and valve opening-closing timing control device
07/24/14 - 20140202409 - A valve opening-closing timing control device includes a solenoid valve having a solenoid mechanism provided with a spool having an oil path groove formed in an outer face thereof, and a sleeve for housing the spool to reciprocate and slide. A wall surface of the sleeve has a first port...