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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.

Related Categories:

Internal-combustion Engines


Poppet Valve Operating Mechanism > With Means For Varying Timing



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...

Valve timiing controller
07/17/14 - 20140196676 - A valve timing controller includes: a driving-side rolling body configured to rotate synchronously with an engine crankshaft; a driven-side rolling body configured to rotate in a unified manner with a camshaft for opening/closing an engine valve relative to the driving-side rolling body; an advance chamber, and a retard chamber; a...

Camshaft adjustment device
07/10/14 - 20140190430 - A camshaft adjuster (3), comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device (4) having at least two electromagnetic drive units, which for exerting an actuating force on a corresponding number of elongated tappet units (9, 10, 11) which are mounted axially parallel to one another,...

Inspection system for continuous variable valve lift device
07/03/14 - 20140182530 - An inspection system for a continuous variable valve lift device includes: a drive motor configured to rotate a cam; a sensor unit including at least one sensor configured to output an electrical signal corresponding to rotational displacements at both ends of a swing arm which opens and closes a valve...

Variable valve lift apparatus
07/03/14 - 20140182531 - A variable valve lift apparatus may include a camshaft, a cam piece having first cams having lift amounts that are different formed at one side thereof, a first cam protrusion portion formed near the first cams that is slidably disposed on the camshaft to rotate with the camshaft, a first...

Valve-timing control apparatus of internal combustion engine and cover member of valve-timing control apparatus
07/03/14 - 20140182532 - A valve-timing control apparatus includes a phase change mechanism configured to change a valve timing, a cover member provided near a front end side of the phase change mechanism; slip rings provided to one of a front end portion of the phase change mechanism and a facing surface of the...

Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism
07/03/14 - 20140182533 - A valve actuation mechanism for an internal combustion engine includes rockers moved by a camshaft, each rocker being adapted to exert a valve opening force on at least a portion of a opening actuator of each cylinder, via an activation piston of the rocker movable with respect to the rocker...

Circulating piston engine
07/03/14 - 20140182534 - An engine, such as a circulating piston engine, includes a housing that defines an annular bore, a piston assembly, and a valve. The piston assembly is disposed within the annular bore and is configured to be coupled to a drive mechanism. The valve is configured to be intermittently disposed within...

Internal combustion engine valvetrain
07/03/14 - 20140182535 - An internal combustion engine valvetrain for an internal combustion engine. The internal combustion engine Includes one or more cylinders with one or more intake valves, one or more blowdown exhaust valves, and one or more scavenge exhaust valves. In one example, the internal combustion engine valvetrain includes a first valve...

Valve-timing control apparatus for internal combustion engine
06/19/14 - 20140165938 - A valve-timing control apparatus includes a drive rotating member; a driven rotating member fixed to a cam shaft; an electric motor configured to rotate the driven rotating member relative to the drive rotating member; a motor housing connected integrally with the drive rotating member; a cover member located to face...

Engine valve timing control apparatus
06/19/14 - 20140165939 - To achieve an intermediate lock state in a short period when an engine is stopped and improve the accuracy of confirmation of the intermediate lock state, an engine valve timing control apparatus includes a variable valve timing mechanism configured to vary engine valve timing, and an intermediate lock mechanism configured...

Concentric camshaft phaser torsional drive mechanism
06/12/14 - 20140158074 - A variable cam timing assembly (10) and method for an internal combustion engine of a motor vehicle includes a cam phaser (22) connected between an inner camshaft (12a) and an outer camshaft (12b) of a concentric camshaft (12). A torsional drive mechanism (14) connects between the cam phaser (22) and...

Oscillating motor adjuster
06/12/14 - 20140158075 - The invention relates to an oscillating motor adjuster with a stator (1), a rotor (8) which is positioned within the stator (1) and is displaceable relative to the stator (1) on a first rotor connection (11) by hydraulic pressure in a first direction, and relative to the stator (1) on...

Valve timing control apparatus
06/05/14 - 20140150741 - In a valve timing control apparatus, a supply oil passage, which supplies hydraulic oil to advancing chambers, is formed separately from a discharge oil passage, which discharges the hydraulic oil from the advancing chambers. A spool is configured to reciprocate in a sleeve to enable and disable communication between each...

Valve timing control apparatus
06/05/14 - 20140150742 - A hydraulic pressure control valve is received in a center hole of a vane rotor that is rotatable relative to a housing. A first tubular portion and a second tubular portion are fitted with each other to form an oil accumulation chamber. The oil accumulation chamber accumulates at least one...

Cam element for a valve drive train device
06/05/14 - 20140150743 - In a cam element for a valve drive train device of an internal combustion engine having at least one cam comprising at least two partial cams which are arranged next to one another and have a shared base circle phase in at least one angular camshaft range for valve lift...

Valve timing adjusting system
05/29/14 - 20140144399 - A main angle-limiting mechanism mechanically limits a relative movement between a vane rotor and a housing within a main angular range. When a rotational phase difference between the vane rotor and the housing becomes out of the main angular range, for example, due to a breakage of the main angle-limiting...

Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism
05/29/14 - 20140144400 - A valve actuation mechanism for an internal combustion engine includes rockers moved by a camshaft, each rocker being adapted to exert a valve opening force on at least a portion of a valve actuation mechanism of each cylinder belonging to a housing of the engine, via an engine brake activation...

Valve timing control apparatus of internal combustion engine
05/22/14 - 20140137821 - In an electrically-driven valve timing control apparatus employing a housing and a cover member axially opposed to each other, a cylindrical-hollow motor output shaft is installed in the housing, and configured to rotate relative to the housing by electricity-feeding to the electric motor, and also configured such that lubricating oil...

Camshaft phaser
05/22/14 - 20140137822 - A camshaft phaser (1), including a drive element (2) and a driven element (3) that can be rotated relative to each other by hydraulic medium, and the drive element (2) or the driven element (3) has sealing elements (6) that are arranged in grooves (7) provided for this purpose, and...

Variable cam timing system and method
05/15/14 - 20140130754 - A phase control apparatus in a variable cam timing (VCT) system of an engine is described herein. The phase control apparatus includes a locking pin coupled to a vane, the locking pin extending into a locking pin recess in a cover plate in a locked configuration, the locking pin and...

Camshaft phaser with centrally located lock pin valve spool
05/08/14 - 20140123920 - A camshaft phaser includes a stator having lobes and a rotor disposed within the stator having vanes interspersed with the lobes. A lock pin disposed within one of the rotor and the stator selectively engages a seat for preventing relative rotation between the rotor and the stator when the lock...

Variable valve timing apparatus
04/24/14 - 20140109849 - A variable valve timing apparatus including: an actuator housing having a space at the inside thereof; an upper plunger mounted inside the upper portion of the actuator housing to move upward and downward; a lower plunger mounted inside the lower portion of the actuator housing to allow the upper plunger...

Method and system for internal combustion engine
04/24/14 - 20140109850 - It is disclosed a method for operating an improved internal combustion engine. An intake valve and an exhaust valve control closing and opening of respective intake and exhaust apertures. The engine includes a separating aperture between the cylinder and a separation chamber, and a controlling separating valve. The separation chamber...

Mounting of a camshaft
04/24/14 - 20140109851 - Reciprocating-piston internal combustion engine having a crank mechanism, with at least one cylinder head, the intake and exhaust ducts of which are controlled by in each case at least one gas exchange valve which is configured as an intake or exhaust valve, which gas exchange valves can be actuated by...

Valve timing control
04/17/14 - 20140102387 - 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...

Valve timing control apparatus for internal combustion engine
04/17/14 - 20140102388 - A valve timing control apparatus includes: a first passage which is formed in the vane rotor, which extends in the radial direction at a position apart from the first lock member and the second lock member in the circumferential direction, which includes an opening portion located in an outer end...

Internal combustion engine valve drive device for a motor vehicle
04/17/14 - 20140102389 - In an internal combustion engine valve drive device having at least one switch gate for valve lift switching by converting a rotation of at least a first and a second cam element into an axial movement by first and second actuators provided for axially displacing the first cam element and...

Internal combustion engine and method for operating an internal combustion engine
04/17/14 - 20140102390 - An internal combustion engine has a working cylinder with two intake valves and two exhaust valves assigned thereto. A first camshaft and a second camshaft each actuate a respective one of the intake valves and a respective one of the exhaust valves. The first camshaft is a variable camshaft with...

Valve train and method for control time variation
04/10/14 - 20140096729 - The invention relates to a link lever of a valve train, which is rotatably mounted on a swing arm of the valve train by means of a stationary link point having an intermediate cam follower that follows a camshaft, wherein the swing arm supports a cam track that drives a...

Mechanically controllable valve drive for a reciprocating piston engine
04/10/14 - 20140096730 - A mechanically controllable valve drive for a reciprocating piston engine configured to adjust a gas exchange valve includes the gas exchange valve, a cam assembly comprising a camshaft and at least one cam for the gas exchange valve, a valve, a valve lift adjustment assembly, a drag lift assembly, and...

Valve timing adjusting device
04/10/14 - 20140096731 - A main lock member is fitted in a main lock bore at a main lock phase for closing an intake valve at a timing later than a timing when a piston reaches a bottom dead center, whereby a rotation phase is locked. In a subordinate lock mechanism, the rotation phase...

Valve timing controller
04/03/14 - 20140090611 - A valve timing controller includes a rotation transmit component; a housing including an outer shape part fixed to the rotation transmit component and a plurality of partition parts extending from the outer shape part inward in a radial direction; and a vane rotor including a boss part and a plurality...

Valve timing control apparatus
04/03/14 - 20140090612 - 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...

Valve timing controler
04/03/14 - 20140090613 - A valve timing controller includes a housing, a vane rotor, and a stopper pin. The stopper pin regulates a relative rotation position of the vane rotor relative to the housing. A boss part of the vane rotor has a plurality of metal plates layered with each other in an axial...

Method and device for controlling a variable valve train of an internal combustion engine
04/03/14 - 20140090614 - A method is disclosed for controlling a variable valve timing mechanism of an internal combustion engine having a plurality of cylinders, wherein, at a first operating point of the internal combustion engine, the fuel quantity which is fed in in each case is reduced successively for each cylinder until a...