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Internal-combustion Engines > Poppet Valve Operating Mechanism > With Means For Varying Timing

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.

08/28/14 - 20140238323 - Valve operating device of engine
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...

08/28/14 - 20140238324 - Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events
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...

08/21/14 - 20140230763 - Electronic component accommodation member and valve timing control device equipped with the same
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...

08/21/14 - 20140230764 - Sealing device and camshaft adjuster
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...

08/14/14 - 20140224198 - Hydraulic valve for an internal combustion engine
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...

08/14/14 - 20140224199 - Valve drive train device
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...

08/07/14 - 20140216373 - Feed forward dynamic spool valve
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...

08/07/14 - 20140216374 - Valve timing control system for internal combustion engine
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...

08/07/14 - 20140216375 - Vehicle engine control device
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...

07/24/14 - 20140202405 - Variable valve timing control apparatus of internal combustion engine and method for assembling the same
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...

07/24/14 - 20140202406 - Varably operated valve system for multi-cylinder internal combustion engine and control apparatus for variably operated valve system
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...

07/24/14 - 20140202407 - Starting device of spark-ignition multi-cylinder engine
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,...

07/24/14 - 20140202408 - Flexible coupling/linkage for an actuator
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...

07/24/14 - 20140202409 - Solenoid valve and valve opening-closing timing control device
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...

07/17/14 - 20140196676 - Valve timiing controller
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...

07/10/14 - 20140190430 - Camshaft adjustment device
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,...

07/03/14 - 20140182530 - Inspection system for continuous variable valve lift device
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...

07/03/14 - 20140182531 - Variable valve lift apparatus
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...

07/03/14 - 20140182532 - Valve-timing control apparatus of internal combustion engine and cover member of valve-timing control apparatus
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...

07/03/14 - 20140182533 - Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism
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...

07/03/14 - 20140182534 - Circulating piston engine
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...

07/03/14 - 20140182535 - Internal combustion engine valvetrain
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...

06/19/14 - 20140165938 - Valve-timing control apparatus for internal combustion engine
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...

06/19/14 - 20140165939 - Engine valve timing control apparatus
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...

06/12/14 - 20140158074 - Concentric camshaft phaser torsional drive mechanism
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...

06/12/14 - 20140158075 - Oscillating motor adjuster
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...

06/05/14 - 20140150741 - Valve timing control apparatus
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...

06/05/14 - 20140150742 - Valve timing control apparatus
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...

06/05/14 - 20140150743 - Cam element for a valve drive train device
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...

05/29/14 - 20140144399 - Valve timing adjusting system
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...

05/29/14 - 20140144400 - Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism
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...

05/22/14 - 20140137821 - Valve timing control apparatus of internal combustion engine
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...

05/22/14 - 20140137822 - Camshaft phaser
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...

05/15/14 - 20140130754 - Variable cam timing system and method
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...

05/08/14 - 20140123920 - Camshaft phaser with centrally located lock pin valve spool
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...

04/24/14 - 20140109849 - Variable valve timing apparatus
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...

04/24/14 - 20140109850 - Method and system for internal combustion engine
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...

04/24/14 - 20140109851 - Mounting of a camshaft
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...

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

04/17/14 - 20140102388 - Valve timing control apparatus for internal combustion engine
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...

04/17/14 - 20140102389 - Internal combustion engine valve drive device for a motor vehicle
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...

04/17/14 - 20140102390 - Internal combustion engine and method for operating an internal combustion engine
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...

04/10/14 - 20140096729 - Valve train and method for control time variation
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...

04/10/14 - 20140096730 - Mechanically controllable valve drive for a reciprocating piston engine
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...

04/10/14 - 20140096731 - Valve timing adjusting device
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...

04/03/14 - 20140090611 - Valve timing controller
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...

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

04/03/14 - 20140090613 - Valve timing controler
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...

04/03/14 - 20140090614 - Method and device for controlling a variable valve train of an internal combustion engine
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...

03/27/14 - 20140083379 - Valve timing control apparatus of internal combustion engine
In a valve timing control apparatus employing two lock pins located in a vane rotor and two lock holes located in a sprocket so as to permit movement of the lock pins into and out of engagement with the respective holes, a guide mechanism is provided for guiding movement of...

03/27/14 - 20140083380 - Variable valve mechanism of internal combustion engine
The present invention provides a variable valve mechanism of an internal combustion engine, which includes a main arm having at a rear end thereof a supported portion that is continuously supported swingably by a support member without floating upward, a sub arm which has a tip end to which a...

03/27/14 - 20140083381 - Integrated lost motion rocker brake with automatic reset
Systems and methods for actuating engine valves are disclosed. The systems may include a rocker arm having an adjustable length push tube mounted to a first end and multiple contact surfaces for an engine valve bridge at a second end. An actuator piston assembly may be provided in the rocker...

03/27/14 - 20140083382 - Camshaft for an internal combustion engine
Because of this, the camshaft (1) can be configured more compact and lighter....

03/27/14 - 20140083383 - Valve timing control apparatus
A valve timing control apparatus has a regulation member to fix a phase. The regulation member has a main regulation member and a sub regulation member. The main regulation member is inserted into a recess part to regulate the phase. The sub regulation member has an engagement part engageable with...