УСТРОЙСТВО ОПРЕДЕЛЕНИЯ СТОПОРЕНИЯ ДЛЯ МЕХАНИЗМА РЕГУЛИРУЕМЫХ ФАЗ ГАЗОРАСПРЕДЕЛЕНИЯ И СПОСОБ ОПРЕДЕЛЕНИЯ СТОПОРЕНИЯ ДЛЯ МЕХАНИЗМА РЕГУЛИРУЕМЫХ ФАЗ ГАЗОРАСПРЕДЕЛЕНИЯ

УСТРОЙСТВО УПРАВЛЕНИЯ ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

... 1. Устройство управления для двигателя внутреннего сгорания, содержащего механизм регулирования фаз газораспределения, который преобразует фазы газораспределения клапана двигателя в переменные и содержит механизм промежуточной блокировки, который механически блокирует фазы газораспределения в положении промежуточной блокировки между положением наибольшего запаздывания и положением наибольшего опережения, причем устройство прерывисто прекращает работу двигателя, отличающееся тем, чтосодержит средство запрещения, которое запрещает прерывистую остановку двигателя при возникновении неисправности механизма регулируемых фаз газораспределения.2. Устройство управления для двигателя внутреннего сгорания, содержащего механизм регулирования фаз газораспределения, который преобразует фазы газораспределения клапана двигателя в переменные и содержит механизм промежуточной блокировки, который механически блокирует фазы газораспределения в положении промежуточной блокировки между положением наибольшего ...

УСТРОЙСТВО УПРАВЛЕНИЯ ФАЗАМИ ГАЗОРАСПРЕДЕЛЕНИЯ ДВИГАТЕЛЯ

... 1. Устройство управления фазами газораспределения двигателя, содержащее:- механизм регулируемых фаз газораспределения, имеющий первый ротор, выполненный с возможностью вращаться синхронно с вращением коленчатого вала двигателя, и второй ротор, выполненный с возможностью вращаться вместе с распределительным валом двигателя и выполненный с возможностью вращения относительно первого ротора, причем механизм регулируемых фаз газораспределения выполнен с возможностью переменно регулировать фазы газораспределения впускного/выпускного клапана, открываемого и закрываемого посредством распределительного вала, посредством изменения относительных позиций вращения обоих из роторов в диапазоне перемещения между позицией максимального опережения по фазе и позицией максимального запаздывания по фазе;- промежуточный стопорящий механизм, выполненный с возможностью ограничивать относительные позиции вращения обоих из роторов промежуточной застопоренной позицией, подходящей для запуска двигателя и расположенной ...

СПОСОБ И СИСТЕМА ДЛЯ УСТРОЙСТВА ИЗМЕНЕНИЯ ФАЗ КУЛАЧКОВОГО РАСПРЕДЕЛЕНИЯ

Method for manufacturing rotor for adjusting device used to adjust phase position between crankshaft and cam shaft of combustion engine, involves contacting radial channel into rotor base body so that channel is connected with axial channel

The method involves providing an annular metallic rotor base body (3) with a number of radially outwardly extending rotor blades with an axial channel (17), and extending a locking link to an oiling system. A radial channel (25) is electrochemically contacted into the rotor base body, so that the radial channel is in fluid communication with the axial channel, where the radial channel is introduced into an inner circumference (9) of the rotor base body. The radial channel is provided into the rotor base body by using a non-contact tool. An independent claim is also included for a rotor.

Nockenwellenverstelleinrichtung

Die vorliegende Erfindung betrifft eine Nockenwellenverstelleinrichtung mit einem Flügelzellenversteller mit einem mit einer Kurbelwelle einer Brennkraftmaschine verbindbaren Stator (16) und einem in dem Stator (16) drehbar gelagerten, mit einer Nockenwelle verbindbaren Rotor (17), wobei an dem Stator (16) mehrere Stege vorgesehen sind, welche einen Ringraum zwischen dem Stator (16) und dem Rotor (17) in eine Mehrzahl von Druckräumen (24, 25) unterteilen, wobei der Rotor (17) eine Mehrzahl von sich radial nach außen erstreckenden Flügeln (11, 12) aufweist, welche die Druckräume (24, 25) in zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel beaufschlagbare Arbeitskammern (20, 21, 22, 23) mit einer unterschiedlichen Wirkrichtung unterteilen, und einer Mittenverriegelungseinrichtung (26) zur Verriegelung des Rotors (17) in einer Mittenverriegelungsposition gegenüber dem Stator (16), wobei die Mittenverriegelungseinrichtung (26) wenigstens zwei ...

Nockenwellenverstelleinrichtung

Nockenwellenverstelleinrichtung mit – einem Flügelzellenversteller mit – einem mit einer Kurbelwelle einer Brennkraftmaschine verbindbaren Stator (16) und – einem in dem Stator (16) drehbar gelagerten, mit einer Nockenwelle verbindbaren Rotor (17), wobei – an dem Stator (16) mehrere Stege vorgesehen sind, welche einen Ringraum zwischen dem Stator (16) und dem Rotor (17) in eine Mehrzahl von Druckräumen (24, 25) unterteilen, wobei – der Rotor (17) eine Rotornabe (30) und eine Mehrzahl von sich von der Rotornabe (30) radial nach außen erstreckenden Flügeln (11, 12) aufweist, welche die Druckräume (24, 25) in zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel beaufschlagbare Arbeitskammern (20, 21, 22, 23) mit einer unterschiedlichen Wirkrichtung unterteilen, und – einer Mittenverriegelungseinrichtung (26) zur Verriegelung des Rotors (17) in zumindest einer Verriegelungsstellung gegenüber dem Stator (17), wobei – die Mittenverriegelungseinrichtung ...

Hydraulischer Nockenwellenversteller

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) zur Verstellung der Steuerzeiten von Gaswechselventilen eines Verbrennungsmotors, mit einem Stator (2), welcher synchron mit einer Kurbelwelle des Verbrennungsmotors drehbar ist, einem verdrehbar zum Stator (2) angeordneten Rotor (3), welcher synchron mit einer Nockenwelle drehbar ist, zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel (21) beaufschlagbaren Arbeitskammern (9, 10) mit einer unterschiedlichen Wirkrichtung, sowie mit einer Mittenverriegelungseinrichtung (10) zur temporären Verriegelung des Rotors (3) in einer definierten Position zum Stator (2). Dabei ist der Stator (2) an einer ersten Stirnseite (14) durch einen mehrteiligen Verriegelungsdeckel (11, 12) begrenzt, wobei der mehrteilige Verriegelungsdeckel (11, 12) einen ersten Verriegelungsdeckel (11) und einen zweiten Verriegelungsdeckel (12) aufweist, und wobei an dem ersten Verriegelungsdeckel (11) eine ...

Nockenwellenverstelleinrichtung

Die Erfindung betrifft eine Nockenwellenverstelleinrichtung mit einem Flügelzellenversteller, einem Stator (1) und einem Rotor (2), wobei der Stator (1) mehrere Stege hat, welche einen Ringraum zwischen dem Stator (1) und dem Rotor (2) in eine Mehrzahl von Druckräumen (8, 9, 10, 11) unterteilen, wobei der Rotor (2) sich radial nach außen erstreckende Flügel (4, 5, 6, 7) aufweist, welche die Druckräume (8, 9, 10, 11) in Arbeitskammern (12 bis 19) unterteilen, und einer Verriegelungseinrichtung (20), wobei die Verriegelungseinrichtung (20) zwei federbelastete Verriegelungsstifte (22, 23) aufweist, welche in einer Mittenposition verriegeln, wobei die Verriegelungsstifte (22, 23) durch Druckmittelbeaufschlagung über eine erste Druckmittelleitung (45) bewegbar sind, wobei der Verriegelungsstift (22, 23) mit dem jeweiligen Aufnahmeraum (48) eine Ventileinrichtung bildet, wobei der Aufnahmeraum (48) über eine Abströmdruckmittelleitung (39, 60, 61) mit der ersten Druckmittelleitung (45) strömungstechnisch ...

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

An IIS system (2) that performs control related to intermittent stopping of engine operation by idling stop control is applied to an internal combustion engine including a VVT mechanism (6) that makes the valve timing of an engine valve variable and has an intermediate lock mechanism (18) that mechanically locks the valve timing at an intermediate lock position between a most retarded position and a most advanced position. The IIS system (2) is configured to inhibit the engine operation from being intermittently stopped at the occurrence of a failure of the VVT mechanism (6) to avoid the internal combustion engine from being prevented from being restarted after the intermittent stop depending on the occurrence of the failure of the VVT mechanism (6).

OIL DRAIN STRUCTURE OF VALVE TIMING ADJUSTING DEVICE FOR INTERNAL COMBUSTION ENGINE

An oil drain structure of a valve timing adjusting device for an internal combustion engine is provided to adjust a valve timing of at least one of an intake valve and an exhaust valve by a torque of a cam shaft and a pressure of a working fluid. The oil drain structure of the valve timing adjusting device includes a rotation preventing means to suppress a position change between a rotor and a housing by regulating a relative rotation of the rotor with respect to the housing.

Valve timing control apparatus

A valve timing control apparatus for a valve timing adjusting unit that adjusts valve timing of an engine. The control apparatus learns a reference position. The control apparatus computes an actual phase based on the learned reference position. The control apparatus computes a target phase based on an engine operational state. The control apparatus controls a hydraulic actuator to perform a phase control based on a difference between the target phase and the actual phase. The control apparatus determines whether the lock mechanism is under an abnormal state. When the control apparatus determines that the lock mechanism is under the abnormal state, the control apparatus is prohibited from performing the phase control that uses the reference position.

Valve timing control apparatus

Hydraulischer Nockenwellenversteller

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) zur Verstellung der Steuerzeiten von Gaswechselventilen eines Verbrennungsmotors, mit einem Stator (2), welcher synchron mit einer Kurbelwelle des Verbrennungsmotors drehbar ist, sowie mit einem verdrehbar zum Stator (2) angeordneten Rotor (3), welcher synchron mit einer Nockenwelle drehbar ist. Der hydraulische Nockenwellenversteller (1) weist ferner zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel (11) beaufschlagbaren Arbeitskammer (8, 9) mit unterschiedlicher Wirkrichtung sowie eine Mittenverriegelungseinrichtung (10) zur temporären Verriegelung des Rotors in einer definierten Position relativ zum Stator (2) auf, wobei die Mittenverriegelungseinrichtung ein erstes Verriegelungselement (12) und ein zweites Verriegelungselement (13) umfasst. Es ist vorgesehen, dass das erste Verriegelungselement (12) als ein hydraulisches Steuerelement ausgebildet ist, welches in einem ...

Mittenverriegelung für einen Nockenwellenversteller

Hydraulischer Nockenwellenversteller (1) zur Steuerzeitenveränderung von Gaswechselventilen einer Brennkraftmaschine, aufgebaut als ein Flügelzellen-Nockenwellenversteller, mit- einem Stator (2), der mit einer Kurbelwelle der Brennkraftmaschine in Verbindung steht und einem im Stator (2) drehbar gelagerten, mit einer Nockenwelle verbindbaren Rotor (3),- einem Leitsystem (28), das Hydraulikmittel unter Zwischenschaltung eines Schaltventils (17) sowie mit Druckmittelleitungen in zumindest zwei Druckräume (8,9,10) zuführt und/oder abführt, die jeweils von einem rotorfesten Flügel (5,6,7) in getrennte, gegeneinander wirkende Arbeitskammern (11,12; 13,14; 15,16) aufgeteilt sind, wodurch eine Phasenlage der Nockenwelle relativ zu der Kurbelwelle gehalten oder gezielt verändert werden kann,- wobei in dem Flügel (5,6,7) eine Steuereinrichtung (23,24,25) eingebracht ist, die zum selektiven Freigeben und Unterbrechen einer Strömungsverbindung (38,39,40) zwischen den Arbeitskammern (11,12;13,14;15,16 ...

Nockenwellenversteller

Nockenwellenversteller (16, 31), insbesondere Schwenkmotorversteller, aufweisend einen Stator (20) mit Statorflügeln (22, 30), einen zu dem Stator (20) begrenzt relativ verdrehbaren Rotor (2, 23, 35) mit Rotorflügeln (17, 32), erste Hydraulikkammern (25), die abschnittsweise von den Statorflügeln (22, 30) einerseits und den Rotorflügeln (17, 32) andererseits begrenzt sind und zur hydraulischen Beaufschlagung des Rotors (2, 23, 35) in einer ersten Verdrehrichtung (a) dienen, zweite Hydraulikkammern (26), die abschnittsweise von den Statorflügeln (22, 30) einerseits und den Rotorflügeln (17, 32) andererseits begrenzt sind und zur hydraulischen Beaufschlagung des Rotors (2, 23) in einer der ersten Verdrehrichtung (a) entgegengesetzten zweiten Verdrehrichtung (b) dienen und eine Sperreinrichtung (1, 19, 34) mit einer Rampeneinrichtung (27) zum Begrenzen der Verdrehbarkeit des Rotors (2, 23, 35) bezüglich des Stators (20) in wenigstens einer Verdrehrichtung (a, b), wobei die Sperreinrichtung ...

Ventilsteuerungsvorrichtung für Verbrennungsmotor

In einer Ventilsteuerungsvorrichtung, die gestaltet ist, eine Drehbewegung eines Flügel-Rotors relativ zu einem Gehäuse zu ermöglichen, ist ein Durchlass mit versenkter Nut in der inneren Endfläche des Gehäuses ausgebildet. Eine Umfangslänge des Durchlasses mit versenkter Nut ist dimensioniert, größer als eine Umfangsbreite des zugehörigen Flügels zu sein. Der Durchlass mit versenkter Nut erlaubt die Flüssigkeits-Verbindung zwischen einer Phasenvorlauf-Hydraulikkammer und einer Phasenverzögerungs-Hydraulikkammer über beide Umfangs-Enden des Durchlasses mit versenkter Nut in einer Position mit maximaler Phasenverzögerung des Flügel-Rotors relativ zum Gehäuse. Sogar wenn der Motor während einer Motor-Betriebsbedingung mit geringer Temperatur angehalten wurde, wobei der Flügel-Rotor näher an der Position mit maximaler Phasenverzögerung positioniert wurde, kann der Flügel-Rotor durch eine Flatterbewegung, die durch wechselndes Drehmoment verursacht und durch Flüssigkeits-Verbindung zwischen ...

Multiverriegelung eines Nockenwellenverstellers

Hydraulischer Nockenwellenversteller (1) des Flügelzellentyps, mit einem Stator (2) und mit einem im Regelbetrieb darin verdrehbar angeordneten Rotor (3), wobei der Rotor (3) und der Stator (2) wenigstens zwei zwischen ihnen angeordnete und durch einen rotorfesten Flügel (5) getrennte Arbeitskammern (6) ausbilden, die von einer Hydraulikmittelversorgungseinrichtung mit Hydraulikmittel befüllbar sind, wobei zumindest ein Verriegelungspin (28) vorhanden ist, der im Verriegelungszustand den Rotor (3) drehfest zum Stator (2) festlegt, wobei der Verriegelungspin (28) mit einem ihn im Bedarfsfall auslenkenden aktiven Druckspeicher (9) verbunden ist, dadurch gekennzeichnet, dass der Verriegelungspin (28) und der aktive Druckspeicher (9) so in Wechselbeziehung miteinander stehen, dass der Verriegelungspin (28) am Drehfestlegen des Rotors (3) relativ zum Stator (2) gehindert ist und ein Ausgang (21) eines des Vorratsraums (13) unterhalb eines Ausgangs der Druckmittelleitung (20) angeordnet ist.

Nockenwellenverstelleinrichtung

Die vorliegende Erfindung betrifft eine Nockenwellenverstelleinrichtung mit einem Flügelzellenversteller und einer Mittenverriegelungseinrichtung (33) zur Verriegelung des Rotors (17) in einer Mittenverriegelungsposition gegenüber dem Stator (16), wobei die Mittenverriegelungseinrichtung (33) durch Druckbeaufschlagung einer Verriegelungskulisse (22) entriegelbar ist, und wenigstens einem in dem Rotor (17) angeordneten Ventilstift, wobei der Ventilstift nicht zur Verriegelung des Stators (16) gegenüber dem Rotor (17) dient, und in Abhängigkeit der Schaltstellung des Ventilstifts bei einer Verdrehbewegung aus einer Anschlagstellung Früh oder Spät in die Mittenverriegelungsposition wenigstens zwei entgegengesetzt wirkende Arbeitskammern (24, 25, 26, 27, 28, 32) strömungstechnisch verbindbar sind, wobei eine erste Druckmittelleitung (23) ausschließlich in Abhängigkeit der Schaltstellung wenigstens eines ersten Ventilstifts (41) mit einem Druckmittelreservoir (T) verbindbar ist.

CVVT SYSTEM

本发明公开了一种连续可变气门正时系统，包括：油控制阀，其将从气缸体接收到的油供给至连续可变气门正时系统；供油单元，其将油从油控制阀供给至锁销；以及执行器，其选择性地打开或者关闭所述供油单元，从而当供油单元打开时，使油被供给至锁销，并且使锁销与锁销孔分离。

aparelho de controle de válvula de sincronismo de motor

VALVE TIMING CONTROL APPARATUS AND METHOD

A valve timing control apparatus (10) for a combustion engine is proposed, comprising a rotational member, preferably a sprocket (50), being driven by said combustion engine, a rotor (40) being mechanically coupled with a camshaft (42) for controlling opening and closing of cylinder valves of said combustion engine, a first configuration in which the rotor (40) is locked to the rotational member; and a second configuration in which the rotor (40) is unlocked from said rotational member, such that a switching phase of the valves in relation to said engine's rotational state can be controlled by an adjustable position between said rotational member and said rotor (40). In another aspect of the invention an operating method of said valve timing control apparatus (10) for adjusting a valve timing of a combustion engine is proposed. The variable valve timing control apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted. A rotor ...

Nockenwellenversteller

Die Erfindung betrifft einen Nockenwellenversteller (1), umfassend einen Stator (2), einen verdrehbar im Stator (2) angeordneten Rotor (3), wobei der Stator (2) drehfest mit einem ersten Deckel (4) verbunden und eine Stirnseite (5) des Stators (2) durch diesen ersten Deckel (4) zumindest weitestgehend verschlossen ist. An dem Rotor (3) ist mindestens ein, vorzugsweise federbelastetes, Verriegelungselement (6) angeordnet, um den Rotor (3) in einer definierten Position zum Stator (2) zu fixieren. In dem ersten Deckel (4) ist zumindest eine Öffnung (7) ausgebildet, durch die das Verriegelungselement (6) in axialer Richtung über eine Stirnfläche (8) des ersten Deckels (4) hinaus vorsteht.

Nockenwellenverstelleinrichtung

Nockenwellenverstelleinrichtung mit• einem Flügelzellenversteller mit• einem mit einer Kurbelwelle einer Brennkraftmaschine verbindbaren Stator (1) und• einem in dem Stator (1) drehbar gelagerten, mit einer Nockenwelle verbindbaren Rotor (2), wobei• an dem Stator (1) mehrere Stege vorgesehen sind, welche einen Ringraum zwischen dem Stator (1) und dem Rotor (2) in eine Mehrzahl von Druckräumen (8, 9, 10, 11) unterteilen, wobei• der Rotor (2) eine Mehrzahl von sich radial nach außen erstreckenden Flügeln (4, 5, 6, 7) aufweist, welche die Druckräume (8, 9, 10, 11) in zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel beaufschlagbare Arbeitskammern (12 bis 19) mit einer unterschiedlichen Wirkrichtung unterteilen, und• einer Verriegelungseinrichtung (20) zur Verriegelung des Rotors (2) in einer Mittenverriegelungsposition gegenüber dem Stator (1), wobei• die Verriegelungseinrichtung (20) wenigstens zwei in einer statorfesten Verriegelungskulisse ...

Nockenwellenversteller

Nockenwellenversteller mit: – einem Stator (1) und einem Rotor (2), wobei der Rotor (2) in dem Stator (1) druckmittelbetätigt zwischen einer Anschlagsstellung „Früh” und einer Anschlagsstellung „Spät” drehwinkelverstellbar ist, – einer Verriegelungseinrichtung zur Verriegelung des Rotors (2) gegenüber dem Stator (1) in einer vorbestimmten Mittenverriegelungsposition (MVP) zwischen den Anschlagsstellungen „Früh” und „Spät”, wobei – die Verriegelungseinrichtung mehrere Verriegelungskulissen (6, 7, 8, 9) und mehrere in Eingriffsrichtung der Verriegelungskulissen (6, 7, 8, 9) federbelastete Verriegelungsstifte (10, 11, 12, 13) umfasst, welche durch eine unterschiedliche Zuordnung zu dem Rotor (2) und dem Stator (1) bei einer Bewegung des Rotors (2) zu dem Stator (1) relativ zueinander bewegt und derart zueinander angeordnet sind, dass der Rotor (2) durch auf eine Nockenwelle einwirkenden wechselnden Drehmomente durch einen sukzessiven Eingriff der Verriegelungsstifte (10, 11, 12, 13) in die ...

Vorrichtung zur Nockenwellenverstellung einer Brennkraftmaschine

Die Erfindung betrifft eine Vorrichtung (1) zur Nockenwellenverstellung einer Brennkraftmaschine, die einen mit einer Nockenwelle (2) drehfest verbundenen Innenrotor (3) aufweist, der relativ zu einem mit einer Kurbelwelle in Antriebsverbindung stehenden Außenrotor (4) drehbar verstellbar ist, wobei in den Außenrotor (4) mindestens eine durch Seitenwände (5, 6) begrenzte Hydraulikkammer (7) eingebracht ist, wobei diese durch ein sich vom Innenrotor (3) radial nach außen erstreckendes Element (8) in zwei Teilkammern (9, 10) unterteilt wird und wobei zur Verriegelung der Relativbewegung zwischen Innenrotor (3) und Außenrotor (4) zwei den Innenrotor (3) axial durchsetzende Verriegelungsstifte (11, 12) vorhanden sind, die in zwei Ausnehmungen (13, 14) eingreifen können, die in eine der als Verriegelungsdeckel ausgebildeten Seitenwände (6) eingebracht sind. Um das Spiel der Verriegelungsstifte in ihren Ausnehmungen genau einstellen zu können, sieht die Erfindung vor, dass mindestens eine der ...

Nockenwellenversteller für eine Brennkraftmaschine eines Kraftfahrzeuges

Nockenwellenversteller für eine Brennkraftmaschine eines Kraftfahrzeuges mit- einem von einer Kurbelwelle antreibbaren ringförmigen einen Hohlraum aufweisenden Stator (16),- einem mit der Nockenwelle (17) drehfest verbundenen in dem Hohlraum angeordneten Rotor (1),- mehreren von dem Stator (16) radial nach innen ragenden und sich auf dem Rotor (1) abstützten Vorsprüngen (19), die den Hohlraum zwischen dem Stator (16) und dem Rotor (1) in mehrere Arbeitskammern unterteilen,- an dem Rotor (1) angeordneten die Arbeitskammern in zwei entgegengesetzt wirkende Druckräume (3, 4) unterteilenden Flügeln (2),- einem drehfest mit dem Stator (16) verbundenen Verriegelungsdeckel (9),- einer in dem Rotor (1) angeordneten, in einer an dem Verriegelungsdeckel (9) angeordneten Verriegelungskulisse (7, 8) verriegelbaren Verriegelungseinrichtung, gebildet aus einem in Verriegelungsrichtung federbelasteten und in Entriegelungsrichtung druckbeaufschlagbaren Kolben,- wobei die relative Drehlage zwischen dem ...

Hydraulischer Nockenwellenversteller

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) zur Verstellung der Steuerzeiten von Gaswechselventilen eines Verbrennungsmotors, mit einem Stator (2), welcher synchron mit einer Kurbelwelle des Verbrennungsmotors drehbar ist, und einem verdrehbar zum Stator (2) angeordneten Rotor (3), welcher synchron mit einer Nockenwelle drehbar ist, wobei an dem Stator (2) mehrere Stege (8, 9, 10) vorgesehen sind, welche einen Ringraum (11) zwischen dem Stator (2) und dem Rotor (3) in eine Mehrzahl von Druckräumen (12, 13, 14) unterteilen, wobei der Rotor (3) eine Rotornabe (4) und eine Mehrzahl von sich aus der Rotornabe (3) radial nach außen erstreckender Flügel (5, 6, 7) aufweist, welche die Druckräume (12, 13, 14) in zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- oder abströmenden Druckmittel beaufschlagbaren Arbeitskammern (15, 16, 17, 18, 19, 20) mit einer unterschiedlichen Wirkrichtung unterteilen, sowie mit einer Mittenverriegelungsvorrichtung (21) ...

STEUERVENTIL FÜR EINE VENTILSTEUERZEITENEINSTELLVORRICHTUNG FÜR EINEN INNEREN VERBRENNUNGSMOTOR

Die vorliegende Offenbarung schafft ein hydraulisches Steuerventil für eine Ventilsteuerzeiteneinstellvorrichtung für einen Motor. Das hydraulische Steuerventil weist auf: ein Gehäuse; einen in dem Gehäuse installierten Rotor mit Flügeln, die jeweils Früh-, Spät- und Sperrkammern ausbilden; und einem Verriegelungsstiftelement, das bei der Sperrkammer elastisch installiert ist; einen Ventilkörper, der mit der Nockenwelle verbunden ist und Anschlüsse und einen Spulenraum aufweist; eine äußere Spule, die in dem Spulenraum elastisch installiert ist und Verteilungsanschlüsse aufweist, die selektiv in Verbindung stehen mit oder getrennt sind von den Anschlüssen des Ventilkörpers; eine innere Spule, die integral mit der äußeren Spule gekoppelt ist und einen Zuführdurchgang ausbildet, der mit einer Arbeitsfluidpumpe verbunden ist, und einen Ablaufdurchgang, der gemeinsam mit einem Ablauftank verbunden ist. Mit diesem Aufbau stellt das hydraulische Steuerventil in zuverlässiger Weise eine Phasenwinkelsteuerbetätigung ...

Variabler Nockenwellenverstellmechanismus mit durch Öldruck eingerücktem Verriegelungsstift

Variabler Nockenverstellmechanismus für einen Verbrennungsmotor, wobei der Mechanismus eine Gehäuseanordnung (100) mit einem äußeren Umfang (101) zur Aufnahme von Antriebskraft und eine Rotoranordnung (105) zur Verbindung mit einer Nockenwelle aufweist, mit einer Vielzahl von Flügeln (104), die koaxial innerhalb des Gehäuses angeordnet sind, wobei die Gehäuseanordnung (100) und die Rotoranordnung (105) zumindest eine Kammer (102, 103) definieren, die durch einen Flügel (104) in eine Vorverschiebungskammer (102) mit einer Vorverschiebungswand (102a) und eine Verzögerungskammer (103) mit einer der Vorverschiebungswand (102a) gegenüberliegenden Verzögerungswand (103a) getrennt wird, wobei die Bewegung des Flügels (104) innerhalb der Kammer (102, 103) bewirkt, dass eine relative Winkelstellung der Gehäuseanordnung (100) und der Rotoranordnung (105) durch Fluid von einem Steuerventil (109; 209; 309) verschoben wird, wobei der Mechanismus umfasst: einen ersten Verriegelungsstift (143) und einen ...

ENGINE EXPENSIVE STRATEGY FOR HYDRAULIC CAM SHAFT VERSE PLATE WITH MECHANICAL CENTER BOLTING DEVICE

DEVICE FOR THE CAM SHAFT ADJUSTMENT OF AN INTERNAL-COMBUSTION ENGINE

Variable valve timing mechanism with intermediate locking mechanism and fabrication method thereof

Valve timing control system

Motor control strategy for a hydraulic camshaft adjuster having a mechanical central lock

The invention relates to a motor control strategy for a hydraulic camshaft adjuster (1) having a mechanical central lock comprising at least one rotor (2) and one stator (3), between which hydraulically loadable chambers A and chambers B are provided. Locking pistons (6 - 10) supported in an axially displaceable manner are provided in the rotor (2) for the mechanical central lock. A hydraulic system and an electrically controllable solenoid valve are provided, said valve being powered in a controlled manner by a motor control device, which receives an ''ignition off'' signal the motor being turned off, and at least one signal for the current angular position of the camshaft adjuster (1), compares the angular position to at least one zone definition stored in the motor control device, forms control commands from the same, and transmits said control commands to the electric solenoid valve.

VALVE OPENING/CLOSING TIMING CONTROL DEVICE

Provided is a valve opening/closing timing control device comprising a phase converting mechanism (1) for displacing a relative phase between a drive-side rotary member (12) and a driven-side rotary member (11) made rotatable integrally with a camshaft, a lock mechanism (6) for making the relative phase fixable at an intermediate lock phase suitable for a start and for releasing the fixed state with a working fluid, and a bias mechanism (3) restricting a biasing function to bias the phase converting mechanism (1) in an advance angle phase direction, between an intermediate regulating phase positioned on the side closer to a delay angle phase direction than the intermediate lock phase and the most delay angle phase.

VALVE TIMING CONTROLLER

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 a predetermined range by work fluid present in an advancing chamber and a retarding chamber is possible, an intermediate locking mechanism is switched to a lock-releasing state and also the relative rotational phase is maintained to an intermediate locking state.

УСТРОЙСТВО УПРАВЛЕНИЯ ФАЗАМИ ГАЗОРАСПРЕДЕЛЕНИЯ ДВИГАТЕЛЯ

FIELD: engines and pumps.SUBSTANCE: timing control device comprises the timing control gear, mid locking mechanism (6), mid locked state determination means, engine shutoff means and means for tracing of the mid locked state. Timing control gear comprises the first rotor (1) to revolve in synchronism with the engine crankshaft and second rotor (2) running together with the engine camshaft relative to the first rotor (1). Timing gear can regulate the intake/discharge valve phases driven by camshaft opened and closed by camshaft, by variation of relative positions of rotation of both rotors (1, 2) in the range of displacements between the maximum phase and advance and delay. Mid locking gear (6) can limit the relative rotation positions of both rotors (1, 2) by mid locked position suitable for engine starting and located between maximum advance and delay positions. Timing gear and mid locking mechanism (6) are actuated and controlled to set the intermediate locked position whereat relative rotation positions are limited at said mid locked position when engine shutoff request is defined. Mid locked position determination means is meant for determination of the means definition existence. Engine shutoff means operates when predefined interval from determination of engine shutoff request expires without determination of intermediate shutoff state in the range of predefined period. Means for continuation of mid locked position tracing is meant for continuation of mid locked state after the engine shutoff.EFFECT: higher accuracy of mid locked state confirmation.9 cl, 9 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 567 478 C2 (51) МПК F02D 13/02 (2006.01) F01L 1/356 (2006.01) F01L 13/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014109009/06, 02.07.2012 (24) Дата начала отсчета срока действия патента: 02.07.2012 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 20.09.2015 Бюл. № ...

СПОСОБ ДЛЯ УСТРОЙСТВА ИЗМЕНЕНИЯ ФАЗ КУЛАЧКОВОГО РАСПРЕДЕЛЕНИЯ (ВАРИАНТЫ)

Nockenwellenverstelleinrichtung

Nockenwellenverstelleinrichtung mit- einem Flügelzellenversteller mit- einem mit einer Kurbelwelle einer Brennkraftmaschine verbindbaren Stator (1), und- einem in dem Stator (1) drehbar gelagerten, mit einer Nockenwelle verbindbaren Rotor (2), wobei- an dem Stator (1) eine Mehrzahl von radial nach innen ragenden Vorsprüngen vorgesehen ist, welche einen Ringraum zwischen dem Stator (1) und dem Rotor (2) in mehrere Druckräume unterteilen, wobei- der Rotor (2) eine Rotornabe mit einer Mehrzahl von radial nach außen vorstehenden Flügeln aufweist, welche die Druckräume in zwei Gruppen von jeweils mit einem in einem Druckmittelkreislauf zu- und abströmenden Druckmittel beaufschlagbare Arbeitskammern (A, B) unterteilen, wobei- die Arbeitskammern (A, B) einer Wirkrichtung zur Verstellung des Rotors (2) gegenüber dem Stator (1) wahlweise über ein Zentralventil mit Druckmittel beaufschlagbar sind, und- in den Flügeln jeweils eine zweiseitig wirkende Rückschlagventileinrichtung vorgesehen ist, welche ...

Verkürzte Ölfließwege im CTA-Modus eines Nockenwellenverstellers

Nockenwellenversteller (1) vom Flügelzellentyp, eingesetzt zur Steuerzeitenänderung von Gaswechselventilen einer Brennkraftmaschine, mit einem Stator (2), der mit einer Kurbelwelle der Brennkraftmaschine in Verbindung steht und einem im Stator (2) drehbar gelagerten, mit einer Nockenwelle verbundenen Rotor (3), sowie mit einem Leitungssystem (19), das unter Zwischenschaltung eines Hydraulikventils (6) sowie Verbindungen (30 bis 38) oder Wegen ein Hydraulikmittel mehreren Druckräumen (10 bis 12) zuführt oder abführt, die jeweils von einem rotorfesten Flügel (7 bis 9) in getrennte, gegeneinander wirkende Arbeitskammern (13, 14; 15, 16; 17, 18) aufgeteilt sind, über die eine Phasenlage der Nockenwelle relativ zu der Kurbelwelle gehalten oder gezielt verändert werden kann, wobei eine in jedem Flügel (7 bis 9) integrierte Steuereinrichtung (21) ein selektives Freigeben oder Unterbrechen einer Fluidverbindung (24) zwischen den zusammenwirkenden Arbeitskammern (13, 14; 15, 16; 17, 18) ermöglicht ...

Multiverriegelung eines Nockenwellenverstellers und Verfahren zum Betrieb eines Nockenwellenverstellers

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) des Flügelzellentyps, mit einem Stator (2) und mit einem im Regelbetrieb darin verdrehbar angeordeten Rotor (3), wobei der Rotor (3) und der Stator (2) wenigstens zwei zwischen ihnen angeordnete und durch einen rotorfesten Flügel (5) getrennte Arbeitskammern (6) ausbilden, die von einer Hydraulikmittelversorgungseinrichtung mit Hydraulikmittel befüllbar sind, wobei zumindest ein Verriegelungspin (28) vorhanden ist, der im Verriegelungszustand den Rotor (3) drehfest zum Stator (2) festlegt, wobei der Verriegelungspin (28) mit einem ihn im Bedarfsfall auslenkenden aktiven Druckspeicher (9) verbunden ist, wobei der Verriegelungspin (28) und der aktive Druckspeicher (9) so in Wechselbeziehung miteinander stehen, dass der Verriegelungspin (28) am Drehfestlegen des Rotors (3) relativ zum Stator (2) gehindert ist. Die Erfindung betrifft auch ein Verfahren zum Verriegeln eines Rotors (3) eines hydraulischen Nockenwellenverstellers ...

Internal combustion engine valve timing control device

METHOD FOR OPERATING A CAMSHAFT ADJUSTER

A method for operating a camshaft adjuster of an internal combustion engine provides that in a start-up phase of the camshaft adjuster the camshaft is adjusted in a first adjustment direction which is dependent on operational data of the camshaft adjuster and/or of the internal combustion engine which is available at the time (T0) of the starting up, and in that in an adjustment phase which follows the start-up phase a target value (ZP) of the phase angle (φ) of the camshaft is set. The transition between the start-up phase and the adjustment phase can take place before an end stop of the camshaft adjuster is reached.

VALVE OPENING AND CLOSING TIMING CONTROL DEVICE

A valve opening and closing timing control device includes a vane selectively moving a relative rotational phase of a driven-side rotary member relative to a driving-side rotary member between a retarded direction and an advance direction, an intermediate lock mechanism being switchable between a lock state and an unlock state, and a phase control portion performing a control of a supply of a fluid to a retard chamber and a discharge of the fluid from an advance chamber, or a control of a discharge of the fluid from the retard chamber and a supply of the fluid to the advance chamber, in order for a lock member to reach an intermediate locked phase by reducing a travelling speed of the relative rotational phase from a reference phase to the intermediate locked phase to be slower than the travelling speed of the relative rotational phase to the reference phase. 1. A valve opening and closing timing control device comprising:a driving-side rotary member rotating synchronously with a crankshaft of an internal combustion engine;a driven-side rotary member rotating integrally with a camshaft of the internal combustion engine, the driven-side rotary member being relatively rotatable with the driving-side rotary member;a fluid pressure chamber being formed with the driving-side rotary member and the driven-side rotary member;a vane being positioned within the fluid pressure chamber, the vane dividing the fluid pressure chamber into a retard chamber and an advance chamber that each allows an inflow and an outflow of a fluid, the vane selectively moving a relative rotational phase of the driven-side rotary member relative to the driving-side rotary member between a retarded direction and an advance direction, the retarded direction where a volume within the retard chamber increases by the inflow of the fluid, the advance chamber where a volume within the advance chamber increases by the inflow of the fluid;an intermediate lock mechanism being provided at one of the driving- ...

Valve opening/closing timing control device

A valve opening/closing timing control device includes an advancing chamber and a retarding chamber between driving and driven rotating bodies, an intermediate locking mechanism performing switching between a locked state and an unlocked state, an advancing channel connected to the advancing chamber, a retarding channel connected to the retarding chamber, and at least one electromagnetic valve supplying/discharging working fluid to/from the advancing chamber, retarding chamber, and intermediate lock mechanism due to an electricity supply amount being changed. When working fluid is discharged from the intermediate lock mechanism, and working fluid is supplied to the advancing chamber and is discharged from the retarding chamber, the maximum working fluid flow amount through the advancing and retarding channels is greater than the maximum working fluid flow amount through the advancing and retarding channels when the electromagnetic valve is controlled such that the working fluid is supplied ...

Cam phaser locking systems

A motion limiter system for a cam phaser includes a retractable motion limiter pin that is selectively extendable from a rotor in a cam phaser to contact a lobe on a stator to provide a positive stop for the rotor prior to engagement of a locking pin. Alternatively, the cam phaser may include two pins that are selectively extendable from opposite openings in a hole in the rotor to engage seats that are slightly offset from one another.

MULTI-POSITION CAMSHAFT PHASER WITH TWO ONE-WAY WEDGE CLUTCHES AND VISCOUS DAMPING

A camshaft phaser, including: a stator including radially inwardly extending protrusions with radially outermost ends; a rotor including radially outwardly extending protrusions radially outermost ends; chambers at least partially bounded by a inwardly extending protrusion and an outwardly extending protrusion; first seals disposed in the radially innermost ends and facing the rotor; second seals disposed in the radially outermost ends and facing the stator; first and second wedge plates radially disposed between the rotor and the stator; and a displacement assembly arranged to for an advance mode, displace the first wedge plate to enable rotation of the rotor, with respect to the stator, in the first circumferential direction and for a retard mode, displace the second wedge plate to enable rotation of the rotor, with respect to the stator, in a second circumferential direction opposite the first circumferential direction.

VARIABLE VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To prevent the variation of a phase with a camshaft phase suddenly changed during unlocking after starting, in a variable valve timing apparatus with a lock phase set at a generally middle phase within an adjustable range of the camshaft phase. SOLUTION: Oil filling control for filling oil into the advancing chamber and retarding chamber of the variable valve timing apparatus 18 is performed before shifting from a lock mode to a phase feedback control mode after starting. The control duty of a phase controlling hydraulic control valve 25 is changed so that one of advancing chamber oil filling control for filling oil into the advancing chamber and retarding chamber oil filling control for filling oil into the retarding chamber is performed and the other is subsequently performed while maintaining the control duty of the lock controlling hydraulic control valve 26 into a control duty for maintaining the locked state of a lock pin 58 during a period for performing the ...

УСТРОЙСТВО УПРАВЛЕНИЯ ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Изобретение может быть использовано в устройствах управления двигателей внутреннего сгорания. Устройство управления для двигателя внутреннего сгорания содержит механизм регулируемых фаз газораспределения, который преобразует фазы газораспределения клапана двигателя в переменные и содержит механизм промежуточной блокировки, который механически блокирует фазы газораспределения в положении промежуточной блокировки, за исключением положения наибольшего запаздывания и положения наибольшего опережения. Устройство прерывисто прекращает работу двигателя. Устройство не осуществляет прерывистое прекращение работы, когда рабочий диапазон механизма регулируемых фаз газораспределения ограничивается диапазоном на стороне запаздывания относительно положения промежуточной блокировки. Технический результат заключается в недопущении препятствия повторному запуску двигателя после прерывистой остановки в зависимости от возникновения неисправности. 7 з.п. ф-лы, 8 ил.

VORRICHTUNG ZUR NOCKENWELLENVERSTELLUNG EINER BRENNKRAFTMASCHINE

Variable Ventilsteuervorrichtung eines Verbrennungsmotors

Eine variable Ventilsteuervorrichtung beinhaltet einen Verriegelungsstift, der gleitbeweglich in einer Gleitbohrung angeordnet ist, die in einem Rotor eines Flügelrotors ausgebildet ist, ein Halteloch, das in einer Innenfläche eines Zahnrades ausgebildet ist, und ein Verriegelungsloch-Strukturelement, das in dem Halteloch fixiert und darin eingepresst wird und so gestaltet ist, dass es das Verriegelungsloch ausbildet. Das Halteloch ist an der innersten Umfangsseite des Zahnrades so ausgebildet, dass es einer mittigen Lagerungsbohrung des Zahnrades zugewandt ist. Die innere Stirnfläche einer großdurchmessrigen Bohrung des Haltelochs ist als ebene Fläche ausgebildet, wohingegen die äußere Stirnfläche eines Verriegelungsloch-Strukturabschnitts des Verriegelungsloch-Strukturelements als planarer Abschnitt ausgebildet ist. Das Verriegelungsloch-Strukturelement wird präzise in seiner Drehrichtung durch Anliegen zwischen der ebenen inneren Stirnfläche und der planaren äußeren Stirnfläche positioniert ...

Ventilzeitsteuerungsvorrichtung und Ventilzeitsteuerungsmechanismus

Zum Bereitstellen einer Ventilzeitsteuerungsvorrichtung, die rasch einen Verriegelungszustand vor einem Stopp einer Brennkraftmaschine realisieren kann und die ein Weglassen eines Schaltventils, das zum Steuern eines Begrenzungsmechanismus und eines Verriegelungsmechanismus vorgesehen ist, ermöglichen kann, weist die Ventilzeitsteuerungsvorrichtung einen Unterteilungsabschnitt auf, der zum Unterteilen der Fluiddruckkammer in eine Frühverstellkammer und eine Spätverstellkammer in einem abtriebsseitigen Drehbauteil vorgesehen ist, ein Begrenzungsbauteil, das in dem abtriebsseitigen Drehbauteil vorgesehen ist und bezüglich eines antriebsseitigen Drehbauteils vorschiebbar und zurückschiebbar ist, eine Begrenzungsvertiefung, die in dem antriebsseitigen Drehbauteil ausgebildet ist und die in Verbindung mit einem Hineinragen des Begrenzungsbauteils in dieselbe eine relative Drehphase auf einen vorbestimmten Bereich begrenzt, ein Verriegelungsbauteil, das in dem abtriebsseitigen Drehbauteil angeordnet ...

Variabler Nockenwellenverstellmechanismus mit durch Öldruck eingerücktem Verriegelungsstift

Ein hydraulisch betätigter Nockenwellenverstellmechanismus weist zwei Verriegelungsstifte auf. Einer der Verriegelungsstifte rückt in eine Zwischenstellung ein, und ein Endverriegelungsstift rückt nahe eines der Anschläge an dem Ende des Verstellerwirkungsbereichs ein. Zumindest einer der Verriegelungsstifte, vorzugsweise der Endverriegelungsstift, wird, wenn der Flügel in einer Endanschlagstellung ist, durch Öldruck eingerückt und in die Freigabestellung federvorgespannt, wenn die Öldruckseite des Endverriegelungsstiftes geleert wird.

ÖLABFLUSS-STRUKTUR EINER EINSTELLVORRICHTUNG FÜR VENTILSTEUERZEITEN FÜR EINEN VERBRENNUNGSMOTOR

Es wird eine Ölablassstruktur einer Ventilzeiteinstellvorrichtung für einen Verbrennungsmotor/eine Brennkraftmaschine offenbart, die in der Lage ist, eine Ventilzeitsteuerung von mindestens einem Einlassventil und einem Auslassventil durch das Drehmoment einer Nockenwelle und den Druck des flüssigen Arbeitsmediums einzustellen. Die Ölablassstruktur einer Ventilzeiteinstellvorrichtung umfasst eine Drehverhinderungsvorrichtung/ Rotationsverhinderungseinrichtung, die eine Positionsänderung zwischen Rotor und Gehäuse unterdrückt, indem die relative Drehung des Rotors in Bezug auf das Gehäuse reguliert wird.

Hydraulischer Nockenwellenversteller

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) zur variablen Verstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, mit einem Stator (2) und einem relativ zum Stator (2) verdrehbaren Rotor (3), wobei an dem Stator (2) radial nach innen ragende Stege (4) ausgebildet sind. Der Rotor (3) weist einen zylindrischen Grundkörper (5) und radial aus dem zylindrischen Grundkörper (5) hervorstehende Flügel (6) auf. Zwischen dem Stator (2) und dem Rotor (3) sind mehrere hydraulische Arbeitsräume (7) ausgebildet, welche jeweils durch einen Flügel (6) des Rotors (3) in eine erste Arbeitskammer (8) und eine zweite Arbeitskammer (9) unterteilt werden. Dabei ist in mindestens einem Flügel (6) des Rotors (3) ein Verriegelungselement (13, 14) zur temporären Fixierung des Rotors (3) in einer Mittenverriegelungsposition relativ zum Stator (2) angeordnet. Es ist vorgesehen, dass eine Druckmittelversorgung des hydraulischen Nockenwellenverstellers (1) über einen C-Kanal ...

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

An IIS system (2) that performs control related to intermittent stopping of engine operation by idling stop control is applied to an internal combustion engine including a VVT mechanism (6) that makes the valve timing of an engine valve variable and has an intermediate lock mechanism (18) that mechanically locks the valve timing at an intermediate lock position between a most retarded position and a most advanced position. The IIS system (2) is configured to inhibit the engine operation from being intermittently stopped at the occurrence of a failure of the VVT mechanism (6) to avoid the internal combustion engine from being prevented from being restarted after the intermittent stop depending on the occurrence of the failure of the VVT mechanism (6).

Used for valve timing control device of the hydraulic control mechanism and its controller

aparelho de controle para motor de combustão interna

CAMSHAFT ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE

The invention relates to a camshaft adjuster for an internal combustion engine of a motor vehicle, comprising an annular stator (16) which can be driven by a crankshaft and has a hollow space, a rotor (1) disposed in the hollow space and non-rotatably connected to the camshaft (17), multiple projections (19) extending from the stator (16) radially inward and supported on the rotor, which divide the hollow space between the stator (16) and the rotor (1) into multiple working chambers, vanes (2) disposed on the rotor (1) and subdividing the working chambers into two pressure chambers (3, 4) acting in opposite directions, a locking cover (9) non-rotatably connected to the stator (16), a lockable locking device disposed in the rotor (1), in a locking gate (7, 8) disposed on the locking cover (9), said device being formed by a piston which is spring-loaded in the locking direction and which can be pressurized in the unlocking direction, wherein the relative rotational position between the rotor ...

VARIABLE VALVE TIMING CONTROL DEVICE

A variable valve timing control device includes a phase detecting portion; a phase control portion driving an electromagnetic solenoid while obtaining a detection signal detected by the phase detecting portion to set a spool to one of a phase control region and a lock region; and a boundary memory portion memorizing a boundary electric current value for referring a boundary between the phase control region and the lock region when the phase control portion operates a phase control; and a characteristic calculation portion obtaining the boundary electric current value by calculation, the boundary electric current value supporting the boundary between the phase control region and the lock region based on solenoid characteristic information of the electromagnetic solenoid and valve characteristic information of an electromagnetic control valve, the characteristic calculation portion memorizing the boundary electric current value to the boundary memory portion.

Camshaft adjustment device for an internal combustion engine

The invention relates to a camshaft adjustment device for an internal combustion engine, having a chamber housing, an actuating rotor which is received in the chamber housing and which can be pivoted about an axis which is concentric with respect to the circumferential axis of the chamber housing, wherein the actuating rotor has a plurality of dividing flanks which rise up radially over a cylindrical base surface of the actuating rotor, and in each case divide pressure chambers which are formed in the chamber housing into a first chamber section and a second chamber section. Sealing strips are inserted into the actuating rotor. The sealing strips form a fluid passage path. The latter can be blocked via a check valve device in such a way that the fluid passage is possible only in one direction.

VALVE OPENING AND CLOSING TIMING CONTROL APPARATUS

A valve opening and closing timing control apparatus includes a driving-side rotating body, a driven-side rotating body fixed to a camshaft by a bolt, a fluid pressure chamber, an intermediate lock mechanism, a lock flow passage bringing the working fluid to the intermediate lock mechanism, and an electromagnetic valve including a spool which is arranged at an inner portion of the bolt, the lock flow passage including a first flow passage which is arranged between the spool and a supply flow passage in a radial direction and which is connected to the supply flow passage, the lock flow passage including a second flow passage which is provided at the inner portion of the bolt in a penetrating manner in the radial direction and which brings the working fluid to flow between the spool and the intermediate lock mechanism. 1. A valve opening and closing timing control apparatus comprising:a driving-side rotating body rotating synchronously with a crankshaft of an internal combustion engine;a driven-side rotating body arranged coaxially with an axis of the driving-side rotating body and rotating integrally with a camshaft for opening and closing valves of the internal combustion engine in a state being fixed to the camshaft by a bolt;a fluid pressure chamber defined between the driving-side rotating body and the driven-side rotating body;an intermediate lock mechanism selectively switchable between a locked state in which a relative rotational phase of the driven-side rotating body relative to the driving-side rotating body is locked at an intermediate lock phase between a most advanced angle phase and a most retarded angle phase and an unlocked state in which the locked state is released;a lock flow passage bringing a working fluid to the intermediate lock mechanism; andan electromagnetic valve including a spool which is arranged at an inner portion of the bolt and controlling supply and discharge of the working fluid relative to the fluid pressure chamber and the ...

Variable valve timing control apparatus

A variable valve timing control apparatus includes an abnormality determining portion and a valve controller. The abnormality determining portion determines whether there is an abnormality in a system of a VCT phase control in which an oil pressure control valve is controlled in a manner that an actual VCT phase coincides with a target phase. The valve controller controls the oil pressure control valve to drive a lock pin in a locking direction so as to lock the VCT phase when the abnormality determining portion determines that there is an abnormality in the system of the VCT phase control.

УСТРОЙСТВО ОПРЕДЕЛЕНИЯ СТОПОРЕНИЯ ДЛЯ МЕХАНИЗМА РЕГУЛИРУЕМЫХ ФАЗ ГАЗОРАСПРЕДЕЛЕНИЯ И СПОСОБ ОПРЕДЕЛЕНИЯ СТОПОРЕНИЯ ДЛЯ МЕХАНИЗМА РЕГУЛИРУЕМЫХ ФАЗ ГАЗОРАСПРЕДЕЛЕНИЯ

Группа изобретений относится к области двигателестроения, а именно к механизмам регулирования фаз газораспределения двигателей внутреннего сгорания. Техническим результатом является повышение эффективности работы двигателя. Сущность изобретений заключается в том, что устройство определения стопорения для механизма регулируемых фаз газораспределения включает в себя средство для обнаружения рабочей позиции механизма регулируемых фаз газораспределения, имеющего функцию стопорения фаз газораспределения двигателя внутреннего сгорания в промежуточной позиции между позицией наибольшего запаздывания, в которой фазы газораспределения сдвигаются к фазе наибольшего запаздывания, и позицией наибольшего опережения, в которой фазы газораспределения сдвигаются к фазе наибольшего опережения при прекращении работы двигателя внутреннего сгорания, а также средство для запуска таймера, когда рабочая позиция механизма регулируемых фаз газораспределения входит в промежуточную область. Причем промежуточная область ...

Patent RU2015144205A3

7 ВУ’” 2015144205” АЗ Дата публикации: 07.05.2019 Форма № 18 ИЗ, ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2015144205/06(068082) 15.10.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14/520,184 21.10.2014 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ ДЛЯ УСТРОИСТВА ИЗМЕНЕНИЯ ФАЗ КУЛАЧКОВОГО РАСПРЕДЕЛЕНИЯ (ВАРИАНТЫ) Заявитель: Форд Глобал Текнолоджиз, ЛЛК, 05 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ЕО, 1/344 (2006.01) Е02р 13/02 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) Е011.1/00-Е0111/46; Е02013/00-Е02013/08; Е02041/00-[02041/40 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепе, РАТЕМТЬСОРЕ, Рабеагсв, ОЗРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к ...

Camshaft adjuster for use in camshaft drive of internal combustion engine of motor vehicle, has locking device arranged radially outside in rotor vanes area and is provided with locking bolt unit interacting with ramp device

The camshaft adjuster has a stator with the stator vanes, and a rotor (2) with the rotor vanes that are rotated relative to the stator. Two sets of hydraulic chambers are limited by the stator vanes and by the rotor vanes to provide a hydraulic impact of the rotor in the respective rotary directions (a). The rotary directions of the hydraulic impact of the hydraulic chambers are opposite to each other. A locking device (1) is arranged radially outside in the area of the rotor vanes and has a locking bolt unit interacting with a ramp device.

Optimierte hydraulische Mittenverriegelung für Nockenwellenversteller

Hydraulischer Nockenwellenversteller (1), aufgebaut als ein Flügelzellenversteller, mit dem eine Phasenlage einer Nockenwelle relativ zu einer Kurbelwelle gehalten oder verändert werden kann, wobei der Nockenwellenversteller (1) einen Stator (2) und einen Rotor (3) aufweist sowie ein Leitsystem (24), das Druck- oder Hydraulikmittel unter Zwischenschaltung eines Hydraulikventils (14) sowie mit Verbindungsleitungen (32, 33) und Hydraulikleitungen (30, 31, 38, 39) zumindest einem Druckraum (6a, 6b, 6c) zuführt oder abführt, wobei die Druckräume (6a, 6b, 6c) jeweils von einem rotorfesten Flügel (5a, 5b, 5c) in getrennte, gegeneinander wirkende, Kammerpaarungen bildende Arbeitskammern (7, 8; 9, 10; 11, 12) aufgeteilt sind, wobei in zumindest einem Flügel (5b, 5c) eine Steuereinrichtung (21, 22) eingebracht ist, die zum selektiven Freigeben und Unterbrechen einer Strömungsverbindung (42, 43) zwischen den jeweils gegenüberliegenden Arbeitskammern (9, 10; 11, 12) bestimmt ist, und das über ein ...

VALVE TIMING ADJUSTMENT APPARATUS FOR INTERNAL COMBUSTION ENGINE

Flow passage partition structure and fluid control valve

Control Device and Control Method for Internal Combustion Engine

Variable valve timing mechanism for internal combustion engine

VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE

Valve timing adjusting system

A valve timing adjusting system includes a displacement mechanism unit that displaces a camshaft rotational phase relative to a crankshaft, a locking mechanism unit that locks the rotational phase, and a control unit that controls operations of a hydraulic control valve. The control unit includes a property obtainment unit that obtains property information regarding hydraulic properties, and a lock release process completes locking release by supplying oil pressure to the locking mechanism unit for moving the rotational phase from an intermediate locked phase toward one of a retard/advance position, and then supplying oil pressure to the locking mechanism unit for moving the rotational phase toward the other of the retard/advance position; the rotational phase stands by at a predetermined position of the one of the retard/advance position past the intermediate locked phase during the lock release process, until a standby time has elapsed.

Vane-type cam phaser having increased rotational authority, intermediate position locking, and dedicated oil supply

A vane-type camshaft phaser having a rotational authority between 40 crank degrees before TDC and 30 crank degrees after TDC. The phaser includes a stator seat formed at a rotation position intermediate between full advance and full retard. A locking pin in a vane of the rotor engages the seat, locking the rotor at the intermediate position. The pin is disengaged by pressurized engine oil independent of oil flows for advance and retard of the rotor. The oil is controlled by a dedicated valve. Preferably, the seat and the ends of the locking pin are vented by passages in the rotor and stator which are aligned when the rotor is at the selected locking angle to remove oil resistance to entry of the pin into the seat. To position the locking pin over the seat, phasing rate is reduced to allow time for the locking pin to engage the seat.

Valvet timing control apparatus

A valve timing control apparatus includes a driving-side rotating member (1), a driven-side rotating member (2), a fluid pressure chamber (4) formed by the driving-side rotating member and the driven-side rotating member and divided into a retarded angle chamber (42) and an advanced angle chamber (41) by a parting portion (22), a fluid control valve mechanism (8) controlling a supply and a discharge of an operation fluid to and from the fluid pressure chamber, a lock mechanism (5) locking a relative rotational phase of the driven-side rotating member relative to the driving-side rotating member at a predetermined phase, a monitoring mechanism (6) monitoring a driving state of an internal combustion engine (E), and a phase setting mechanism controlling the fluid control valve mechanism to establish the predetermined phase in a case where the monitoring mechanism detects a signal indicating a likelihood of a decrease of a number of rotations of the internal combustion engine.

Camshaft adjuster i.e. wing cell adjuster, for internal combustion engine of modern motor vehicle, has guides blocking adjustment of drive part opposite to drive direction and allowing adjustment in direction till reaching pivot bearing

The adjuster i.e. wing cell adjuster (1), has a contact pair designed such that bolts (16-18) are brought in gradual contact with stepped sliding guides (27, 29, 31) when the adjustment of a drive part in a drive direction during relative movement between an end pivot bearing running in a drive direction and the interlocking pivot bearing. The sliding guides block the adjustment of the drive part opposite to the drive direction and allow the adjustment in the drive direction till reaching an interlocking pivot bearing.

Ventiltaktungssteuerungseinrichtung

Ventiltaktungssteuerungseinrichtung (1) enthaltend ein Rotationselement (2) der Antriebsseite, das synchron mit einer Kurbelwelle (15) eines Verbrennungsmotors (10) drehbar ist, ein Rotationselement (3) der angetriebenen Seite, das koaxial zu dem Rotationselement (2) der Antriebsseite angeordnet ist, und synchron mit einer Nockenwelle (11) drehbar ist, die einen Öffnungs- und Schließvorgang von Ventilen (14) des Verbrennungsmotors (10) steuert, eine Kammer (42) nacheilenden Winkels, die durch das Rotationselement (2) der Antriebsseite und das Rotationselement (3) der angetriebenen Seite definiert wird und eine Relativrotationsphase des Rotationselements der angetriebenen Seite zu dem Rotationselement der Antriebsseite in einer Richtung nacheilenden Winkels durch eine Zufuhr von einem Fluid an die Kammern nacheilenden Winkels verschiebt, eine Kammer (41) vorauseilenden Winkels, die durch das Rotationselement (2) der Antriebsseite und das Rotationselement (3) der angetriebenen Seite definiert ...

Hydraulische Steuereinheit zur Verwendung in einer Ventiltiming-Steuerungsvorrichtung

Eine hydraulische Steuereinheit schaltet zwischen einem ersten Zustand, bei dem ein Abflussdurchgang einer Pumpe, die von einem Verbrennungsmotor angetrieben wird, sowohl mit einem Phasenvoreilungsdurchgang als auch einem Sperrdurchgang verbunden ist und ein Phasennacheilungsdurchgang gleichzeitig mit einem Abflusskanal verbunden ist, einem zweiten Zustand, bei dem der Abflussdurchgang sowohl mit dem mit dem Phasennacheilungsdurchgang als auch dem Sperrdurchgang verbunden ist und der Phasenvoreilungsdurchgang gleichzeitig mit dem Ablasskanal verbunden ist, und einem dritten Zustand um, bei dem Phasenvoreilungsdurchgang, der Phasennacheilungsdurchgang und der Sperrdurchgang sämtlich mit dem Abflussdurchgang verbunden sind. Die hydraulische Steuereinheit kann ferner auf einen vierten Zustand umschalten, bei dem der Abflussdurchgang sowohl mit dem Phasenvoreilungsdurchgang als auch dem Phasennacheilungsdurchgang verbunden ist und der Sperrdurchgang gleichzeitig mit dem Ablasskanal verbunden ...

Nockenwellenversteller

Nockenwellenversteller (1) mit- einem Stator (2),- einem Rotor (3),- einer Druckmittelversorgung (10), wobei- an dem Stator (2) zumindest eine Kammer (5) ausgebildet ist, welche durch mindestens einen am Rotor (3) ausgebildeten oder drehfest mit dem Rotor (3) verbundenen Flügel (4) in zwei Arbeitskammern (6, 7) unterteilt ist, wobei- die beiden Arbeitskammern (6, 7) jeweils über die Druckmittelversorgung (10) mit einem Druckmittel beaufschlagbar sind, derart, dass ein Druck des Druckmittels in der jeweiligen Arbeitskammer (6, 7) soweit erhöht werden kann, dass die Druckerhöhung zu einem Verdrehen des Rotors (3) führt,- in dem Rotor (3), vorzugsweise in dem Flügel (4) des Rotors (3), ein schaltbares Ventil (8) ausgebildet ist, welches in einer ersten Schaltstellung des Ventils (8) ein Durchströmen des Druckmittels von einer ersten Arbeitskammer (6) durch den Rotor (3), vorzugsweise durch den Flügel (4), in eine zweite Arbeitskammer (7) ermöglicht, und wobei- das Ventil (8) in einer zweiten ...

Multiverriegelung eines Nockenwellenverstellers

Hydraulischer Nockenwellenversteller (1) des Flügelzellentyps, mit einem Stator (2) und mit einem im Regelbetrieb darin verdrehbar angeordneten Rotor (3), wobei der Rotor (3) und der Stator (2) wenigstens zwei zwischen ihnen angeordnete und durch einen rotorfesten Flügel (5) getrennte Arbeitskammern (6) ausbilden, die von einer Hydraulikmittelversorgungseinrichtung mit Hydraulikmittel befüllbar sind, wobei zumindest ein Verriegelungspin (28) vorhanden ist, der im Verriegelungszustand den Rotor (3) drehfest zum Stator (2) festlegt, wobei der Verriegelungspin (28) mit einem ihn im Bedarfsfall auslenkenden aktiven Druckspeicher (9) verbunden ist, dadurch gekennzeichnet, dass der aktive Druckspeicher (9), welcher über einen Aktor (14) ver- bzw. entriegelbar ist, unterhalb einer Rotationsachse (10) an einer mit dem Rotor (2) verbindbaren Nockenwelle (17) angeordnet ist, um ein Rückhalten einer ausreichenden Ölmenge im Druckspeicher zu gewährleisten, wobei alle Zufuhr- und Abfuhrleitungen von oben zum Druckspeicher führen, um ein Leerlaufen des Druckspeichers zu verhindern. Hydraulic camshaft adjuster (1) of the vane cell type, with a stator (2) and with a rotor (3) arranged therein so that it can rotate during normal operation, the rotor (3) and the stator (2) at least two arranged between them and fixed by a rotor ( 5) form separate working chambers (6) which can be filled with hydraulic medium from a hydraulic medium supply device, at least one locking pin (28) being present which, in the locked state, fixes the rotor (3) in a rotationally fixed manner relative to the stator (2), the locking pin (28) is connected to an active pressure accumulator (9) which deflects it if necessary, characterized in that the active pressure accumulator (9), which can be locked or unlocked via an actuator (14), is below an axis of rotation (10) on one with the rotor (2) connectable camshaft (17) is arranged to ensure retention of a sufficient amount of oil in the pressure accumulator, ...

ENGINE HAVING VARIABLE VALVE TIMING DEVICE

INSERT PART FOR CAMSHAFT ADJUSTER HAVING CENTRAL LOCKING DEVICE

CAMSHAFT ADJUSTMENT MECHANISM HAVING A LOCKING APPARATUS

A camshaft adjustment mechanism is provided having a rotor adapted to be connected to a camshaft, a stator arranged around the rotor, and a cover associated with the stator. An advance chamber and a separate retard chamber are formed between the rotor and the stator and separated from each other by a vane extending from the rotor. The camshaft adjustment mechanism further includes a locking apparatus adapted to lock the rotor from rotation. A first oil control valve is associated with the advance chamber and the retard chamber to control oil flow to the advance chamber and the retard chamber. A second oil control valve is associated with the locking apparatus to control oil flow to the locking apparatus.

Apparatus and method of adjusting valve timing for internal combustion engine

Disclosed is an apparatus of adjusting valve timing for internal combustion engine configured to adjust at least one valve timing of an intake valve and an exhaustive valve by torque of a cam shaft and pressure of working fluid, and a method thereof. The method of the present disclosure is such that a rotor is embedded with a hydraulic control valve configured to operate a locking pin member, and the hydraulic control valve is so configured as to have various control positions in order to supply or discharge working fluid in response to engine emergency stop or start and normal engine operational state whereby locking and releasing operations are realized with accurate responsiveness and reliability due to smaller working fluid through a passage and an engine performance can be improved by adjusting the valve timing.

Valve timing control device

Ansteuerung der Verriegelungselemente bei Mittenverriegelung eines Nockenwellenverstellers

Nockenwellenversteller (1), der zur Steuerzeitenänderung von Gaswechselventilen einer Brennkraftmaschine eingesetzt ist, mit einem Stator (16), der mit einer Kurbelwelle der Brennkraftmaschine in Verbindung steht und einem im Stator (16) drehbar angeordneten, mit einer Nockenwelle verbundenen Rotor (14) sowie mit einem Leitungssystem, das unter Zwischenschaltung eines Hydraulikventils (15) ein Öl oder Hydraulikmittel mehreren Druckräumen (18) zuführt oder abführt, wobei die Druckräume (18) jeweils von einem rotorfesten Flügel (17) in getrennte, gegeneinander wirkende Arbeitskammern (10, 11) aufgeteilt sind, über die eine Phasenlage der Nockenwelle relativ zu der Kurbelwelle gehalten oder gezielt verändert werden kann, wobei eine hydraulisch betätigte Verriegelungseinrichtung (5) vorgesehen ist, die zwei mit einer Verriegelungskulisse (6, 7) zusammenwirkende Verriegelungselemente (3, 4) einschließt, über die eine Relativbewegung zwischen dem Rotor (14) und dem Stator (16) unterbunden oder ...

Variable Ventilzeitsteuervorrichtung für Brennkraftmaschine

The valve opening-closing timing control device

CENTERING SLOT FOR INTERNAL COMBUSTION ENGINE

Method and system for variable cam timing device

Methods and systems are described for an engine with a cam torque actuated variable cam timing phaser. Phaser positioning control is improved by reducing inaccuracies resulting from inadvertent spool valve and/or phaser movement when the spool valve is commanded between regions. In addition, improved spool valve mapping is used to render phaser commands more consistent and robust.

Nockenwellenphasenversteller

Die vorliegende Erfindung stellt einen Nockenwellenphasenversteller bereit, der einen Rotor, einen Stator, einen Verriegelungsstift und ein Einwegventil umfasst eine erste Ölbohrung, eine zweite Ölbohrung und eine Verriegelungsstiftbohrung sind im Rotorinnenkern ausgebildet, wobei die erste Ölbohrung einen Motorfluidkanal und die erste Kammer verbindet, wobei die zweite Ölbohrung die erste Kammer und die zweite Kammer verbindet, wobei die erste Ölbohrung und die zweite Ölbohrung beide durch die Verriegelungsstiftbohrung verlaufen, wobei sich der Verriegelungsstift in der Verriegelungsstiftbohrung befindet und in der Lage ist, zwischen einer ersten Position und einer zweiten Position umgeschaltet zu werden, wobei das Einwegventil an der zweiten Ölbohrung bereitgestellt ist wenn sich der Verriegelungsstift in der ersten Position befindet, ist die erste Ölbohrung nicht blockiert, das Einwegventil ist ausgeschaltet und die zweite Ölbohrung ist blockiert wenn sich der Verriegelungsstift in der ...

Nockenwellenverstellvorrichtung

Die Erfindung betrifft eine Nockenwellenverstellvorrichtung (10), mit einem Nockenwellenversteller (11) zur Verstellung einer Phasenlage zwischen einer Nockenwelle und einer Kurbelwelle einer Brennkraftmaschine, der eine Mittenverriegelung (15) zur mechanischen Verriegelung der Phasenlage in einer Verriegelungsposition aufweist, und mit einer hydraulischen Steuerung (12), die dazu vorgesehen ist, den Nockenwellenversteller (11) mit Betriebsmittel für eine Verstellung der Phasenlage der Nockenwelle zu versorgen, wobei die Mittenverriegelung (15) einen Steuermechanismus (16) aufweist, der dazu vorgesehen ist, die Phasenlage mittels der hydraulischen Steuerung (12) selbstständig in Richtung der Verriegelungsposition zu verstellen.

Ventilsteuerzeit-Verstellvorrichtung

In einem Hauptsperrmechanismus (16) wird ein Hauptsperrelement (160) bei einer Hauptsperrphase (Pm), um ein Einlassventil zu einem späteren Zeitpunkt als einem Zeitpunkt, wenn ein Kolben einen unteren Totpunkt erreicht, zu schließen, in einer Hauptsperrbohrung (162) eingepasst, wodurch eine Rotationsphase gesperrt wird. In einem Nebensperrmechanismus (17) wird die Rotationsphase bei einer Nebensperrphase gesperrt, die weiter als die Hauptsperrphase (Pm) vorverlegt ist. In einem Sperrsteuerungsmechanismus (18) wird ein Temperaturfühlkörper (185) bei der Hauptsperrphase (Pm) in einem Warmstoppzustand, während dem die Temperatur eines abgestellten Verbrennungsmotors nicht kleiner als eine voreingestellte Temperatur wird, zu einem ausgedehnten Zustand (Se) geändert, wodurch ein bewegliches Element (181) an einer ersten Position (L1) verriegelt wird, in der dem Hauptsperrelement (160) erlaubt wird, in der Hauptsperrbohrung (162) eingepasst zu werden, während der Temperaturfühlkörper (185) bei ...

Nockenwellenversteller

Die Erfindung betrifft einen Nockenwellenversteller zur Einstellung einer Phasenrelation zwischen einer Kurbelwelle (1) und einer Nockenwelle (2) einer Brennkraftmaschine, umfassend ein zumindest mittelbar drehfest mit der Kurbelwelle (1) verbindbares Antriebsrad (3) sowie einen zumindest mittelbar mit dem Antriebsrad (3) verbindbaren Stator (4) und einen zumindest mittelbar drehfest mit der Nockenwelle (2) verbindbaren Rotor (5), wobei der Rotor (5) und der Stator (4) relativ zueinander verdrehbar sind, und wobei der Rotor (5) radial nach außen angeordnete Flügel (6a6d) aufweist, die zwischen radial nach innen angeordneten Trennelementen (7a7d) des Stators (4) eingreifen, wobei ferner Mittel zum Einstellen einer Zwischenposition der Flügel (6a6d) des Rotors (5) zu den Trennelementen (7a7d) des Stators (4) vorgesehen sind. Erfindungsgemäß weisen die Mittel zum Einstellen der Zwischenposition ein erstes und ein zweites Federelement (8a, 8b) auf, wobei die beiden Federelemente (8a, 8b) axial ...

Hydraulischer Nockenwellenversteller

Die Erfindung betrifft einen hydraulischen Nockenwellenversteller (1) zur variablen Verstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine mit einem Stator (2) und einem relativ zum Stator (2) verdrehbaren Rotor (3), wobei zwischen dem Stator (2) und dem Rotor (3) mehrere Hydraulikräume (6) ausgebildet sind, welche durch radial nach innen ragende Stege (4) des Stators (2) getrennt werden, wobei an dem Rotor (3) radial nach außen ragende Flügel (5) ausgebildet sind, welche die Hydraulikräume in jeweils eine erste Gruppe von Arbeitskammern (7) und eine zweite Gruppe von Arbeitskammern (8) mit entgegengesetzter Wirkrichtung unterteilen sowie mit einer Mittenverriegelungseinrichtung (9), um den Rotor (3) in einer Mittenverriegelungsposition temporär zu fixieren sowie mit einem Zentralventil (10), um die Arbeitskammern (7, 8) sowie die Mittenverriegelungseinrichtung (9) mit Druckmittel zu versorgen. Dabei sind die Arbeitskammer (7, 8) und ein Ölzufuhrkanal (11) zur Mittenverriegelungseinrichtung ...

Control apparatus for internal combustion engine

... #$%^&*AU2010355262A120120315.pdf##### P3P2010436AU ABSTRACT An IIS system (2) that performs control related to intermittent stopping of engine operation by idling stop control 5 is applied to an internal combustion engine including a VVT mechanism (6) that makes the valve timing of an engine valve variable and has an intermediate lock mechanism (18) that mechanically locks the valve timing at an intermediate lock position between a most retarded position and a most advanced 10 position. The IIS system (2) is configured to inhibit the engine operation from being intermittently stopped at the occurrence of a failure of the VVT mechanism (6) to avoid the internal combustion engine from being prevented from being restarted after the intermittent stop depending on the 15 occurrence of the failure of the VVT mechanism (6). 28 ...

Valve opening and closing time control device

本发明提供一种气门开闭时间控制装置，该装置能够将相对旋转相位限制在不同相位的同时、提高燃烧效率。该装置包括：第一锁定机构（6），可将从动侧旋转体（2）相对于驱动侧旋转体（1）的相对旋转相位限制在最大迟滞角相位和最大提前角相位之间的第一规定相位；第二锁定机构（7），可将相对旋转相位限制在比第一规定相位更靠近迟滞角侧的第二规定相位，当变速杆位置被操作到停车档时，相对旋转相位向第一规定相位进行转换。

Variable valve timing control apparatus

A variable valve timing control apparatus includes an abnormality determining portion and a valve controller. The abnormality determining portion determines whether there is an abnormality in a system of a VCT phase control in which an oil pressure control valve is controlled in a manner that an actual VCT phase coincides with a target phase. The valve controller controls the oil pressure control valve to drive a lock pin in a locking direction so as to lock the VCT phase when the abnormality determining portion determines that there is an abnormality in the system of the VCT phase control.

Valve timing control apparatus and method

A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.

Camshaft adjustment mechanism having a locking apparatus

A camshaft adjustment mechanism is provided having a rotor adapted to be connected to a camshaft, a stator arranged around the rotor, and a cover associated with the stator. An advance chamber and a separate retard chamber are formed between the rotor and the stator and separated from each other by a vane extending from the rotor. The camshaft adjustment mechanism further includes a locking apparatus adapted to lock the rotor from rotation. A first oil control valve is associated with the advance chamber and the retard chamber to control oil flow to the advance chamber and the retard chamber. A second oil control valve is associated with the locking apparatus to control oil flow to the locking apparatus.

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 the vane rotor relative to the sprocket toward a prescribed lock position. The guide mechanism includes a guide pin and a guide hole configured to permit movement of the guide pin into and out of engagement with the guide hole. Hydraulic pressure, used for retreating-movement of the lock pins out of engagement, is supplied through a first branch passage branching from an unlock passage configured to communicate with a pump discharge passage. Hydraulic pressure, used for retreating-movement of the guide pin out of engagement, is supplied through a second branch passage branching from the same unlock passage.

VALVE CONTROL APPARATUS

A forward phase adjustment unit adjusting a forward phase of a forward intermediate rotor relative to a crank shaft includes a forward stopper mechanism and a forward locking mechanism and a forward biasing mechanism. The forward stopper mechanism prevents further advance of the forward phase by engaging the forward intermediate rotor at a forward most-advanced phase. The forward locking mechanism locks the forward phase when reaching the forward most-advanced phase at a start time of the engine. The forward biasing member biases the forward intermediate rotor in an advance direction. A backward phase adjustment unit adjusts the backward phase of the intake cam shaft relative to a backward intermediate rotor by receiving a cam torque that is biased on average in a retard direction. The backward phase adjustment unit includes a backward stopper mechanism and a backward locking mechanism. The backward stopper mechanism prevents further retard of the backward phase by engaging the intake cam shaft at a backward most-retarded phase. The backward locking mechanism locks the backward phase when reaching the backward most-retarded phase at the start time of the engine. 1. A valve control apparatus for adjusting valve timing of an internal combustion engine , the engine having an intake valve that is opened and closed by a rotation of an intake cam shaft , and an exhaust valve that is opened and closed by a rotation of an exhaust cam shaft that receives a crank torque from a crank shaft , the valve control apparatus comprising:a forward phase adjustment unit that has a forward intermediate rotor rotatable relative to the exhaust cam shaft, the forward phase adjustment unit adjusting a forward phase that is a rotational phase of the forward intermediate rotor relative to the crank shaft; anda backward phase adjustment unit that has a backward intermediate rotor rotatable relative to the intake cam shaft and rotating in association with the forward intermediate rotor, the ...

Controller for internal combustion engine

A controller for an internal combustion engine includes: a failure determination section which determines a failure state in a case where a relative rotation phase of an intake side valve opening and closing timing control mechanism does not change when controlling the mechanism after starting the driving of a starter motor and trying to change the relative rotation phase of the mechanism in a start control for starting an internal combustion engine. When the section determines a failure, the controller performs at least one of an intake air amount increase control in which an opening degree of a throttle valve is increased, an ignition timing advance angle control in which injection of fuel is performed at a timing earlier than a set timing and ignition is performed, and a multi-injection control in which the fuel is injected immediately before the ignition in addition to the fuel injection in an intake stroke.

Internal combustion engine

An internal combustion engine includes exhaust-side and intake-side variable valve timing mechanisms, an oil passage defined in the cylinder head, an exhaust-side connection passage that branches from the oil passage to conduct oil to the exhaust-side variable valve timing mechanism, and an intake-side connection passage that branches from the oil passage to conduct oil to the intake-side variable valve timing mechanism. The connection passage that conducts oil to one of the exhaust-side variable valve timing mechanism and the intake-side variable valve timing mechanism that has a greater amount of oil leakage when oil having the same pressure is supplied to the variable valve timing mechanisms to operate the variable valve timing mechanisms is located at a downstream side in the oil passage of the connection passage that conducts oil to the variable valve timing mechanism that has a smaller amount of oil leakage.

Camshaft adjuster comprising a spring

A camshaft adjuster, comprising a drive element and an output element, wherein the drive element can be rotated in relation to the output element within an angular range between an early and a late position. The camshaft adjuster also includes a spring configured to brace the drive element with the output element, wherein the spring is configured to rotate the drive element in relation to the output element into a desired position within the angular range and is further configured to angularly adjust from both an early position and a late position into a direction of the desired position.

VALVE TIMING ADJUSTMENT DEVICE

A press-fit member having a cylindrical shape is press-fit into a through hole formed in a vane. An advance-side lock pin and a retard-side lock pin are provided coaxially with each other inside the press-fit member. In the outer circumferential surface of the press-fit member, an advance-side lock pin-release oil passage for applying lock pin-release hydraulic pressure to an advance-side engagement groove and a retard-side lock pin-release oil passage for applying the lock pin-release hydraulic pressure, applied to the advance-side engagement groove, to a retard-side engagement groove are formed. 1. A valve timing adjustment device comprising:a first rotary body including a hydraulic chamber;a second rotary body including a vane which separates the hydraulic chamber into an advance-side section and a retard-side section, the second rotary body being relatively rotatable with respect to the first rotary body, the second rotary body being accommodated in the first rotary body; anda lock mechanism for locking the second rotary body in an intermediate position between a most advanced position and a most retarded position,wherein the lock mechanism includes:a through hole formed inside the vane in an axial direction of the second rotary body;a cylindrical member having a cylindrical shape introduced into the through hole in a state in which axial sliding and rotational movement relative to the through hole are restricted;a first lock pin and a second lock pin provided coaxially with each other inside the cylindrical member;a first engagement groove and a second engagement groove which are formed in the first rotary body, and with which the first lock pin and the second lock pin are to be respectively engaged;a biasing member that biases the first lock pin toward the first engagement groove, and that biases the second lock pin toward the second engagement groove;a first lock pin-release oil passage that is formed in an outer circumferential surface of the cylindrical ...

Variable valve actuation apparatus of internal combustion engine

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 the lock hole. The retaining hole is formed at the innermost peripheral side of the sprocket so as to face a central support bore of the sprocket. The inner end face of a large-diameter bore of the retaining hole is formed as a flat surface, whereas the outer end face of a lock-hole structural section of the lock-hole structural member is formed as a planar section. The lock-hole structural member is precisely positioned in its rotation direction by abutment between the flat inner end face and the planar outer end face.

Camshaft phase

A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine includes stator having a plurality of lobes. A rotor is coaxially disposed within the stator and has a plurality of vanes interspersed with the lobes defining alternating advance chambers and retard chambers. A lock pin is disposed within the rotor for selective engagement with a lock pin seat for preventing a change in phase relationship between the rotor and the stator. A lock pin oil control valve is located within the camshaft phaser for 1) selectively receiving the pressurized oil from one of the advance chambers and directing the pressurized oil to the lock pin and 2) selectively receiving the pressurized oil from one of the retard chambers and directing the pressurized oil to the lock pin for disengaging the lock pin from the lock pin.

CAMSHAFT ADJUSTING DEVICE

A camshaft adjusting device including—a vane cell adjuster and—a central locking device () for locking the rotor () with respect to the stator (), wherein—at least one first valve functional pin () is provided in the rotor hub (), and the working chambers () with different directions of action can be fluidically connected to one another via said valve functional pin,—in a first switch position, the first valve functional pin () fluidically connects at least two first working chambers () with different directions of action to each other via a non-return valve () during a movement from the direction “early” or “late” into the central locking position,—in a second switch position, the first valve function pin () fluidically separates the at least two first working chambers () with different directions of action,—a bridging line () is provided for a fluid-free connection of the two first working chambers (), and—the bridging line () can be switched by a valve pin (). 110-. (canceled)11. A camshaft adjusting device comprising:a vane cell adjuster including a stator connectable to a crankshaft of an internal combustion engine;a rotor rotatably mounted in the stator and connectable to a camshaft;multiple webs being provided on the stator, the webs subdividing an annular space between the stator and the rotor into a plurality of pressure chambers, the rotor including a rotor hub and a plurality of vanes extending radially outwardly from the rotor hub, the vanes subdividing the pressure chambers into two groups of working chambers having a different operating direction, each of which actable upon by pressure medium flowing into or out of a pressure medium circuit;a center lock for locking the rotor hub in a locking position relative to the stator;at least one first valve function pin being provided in the rotor, the working chambers having different operating directions being fluidically connectable to one another via the first valve function pin,the first valve function pin ...

VALVE TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

A valve timing control device for an internal combustion engine, the valve timing control device includes: a housing; a vane rotor; a lock hole; a lock member; an urging member; a connection passage provided to the vane rotor, and connected to the bolt insertion hole and the back pressure chamber; and an annular passage which is formed between an inner circumference surface of the bolt insertion hole, and an outer circumference surface of a shaft portion of the cam bolt, and which includes one end portion connected to the connection passage, and the other end portion connected to a drain hole formed in the cam shaft. 1. A valve timing control device for an internal combustion engine , the valve timing control device comprising:a housing to which a rotational force is transmitted from a crank shaft, and which includes an operation hydraulic chamber formed therein;a vane rotor which includes a bolt insertion hole, which is fixed at one end portion of a cam shaft by a cam bolt inserted through the bolt insertion hole, which is received within the housing, which is arranged to be rotated relative to the housing, and which separates the operation hydraulic chamber to a retard angle operation chamber and an advance angle operation chamber;a lock hole formed on an inner end surface of the housing;a lock member which is disposed within a sliding movement hole formed in the vane rotor in an axial direction, which is arranged to be moved within the sliding movement hole, and which includes an axial tip end portion that is arranged to be engaged with the lock hole to lock a relative rotation position of the vane rotor with respect to the housing, or to be disengaged from the lock hole to release the lock;an urging member which is disposed within a back pressure chamber provided on a front side of the sliding movement hole that is opposite to the cam shaft, and which is arranged to urge the lock member toward the lock hole;a connection passage provided to the vane rotor, and ...

VALVE TIMING CHANGING DEVICE

This valve timing changing device is provided with: a vane rotor which is connected to integrally rotate with a camshaft about the same axis; a housing rotor which houses the vane rotor and is capable of relative rotation in a predetermined angle range about the axis; and a torsion coil spring which has a coil part for biasing the vane rotor to rotate in one direction with respect to the housing rotor. The vane rotor has a first inner guide part inserted therein from one end of the coil part, and the housing rotor has a second inner guide part inserted therein from the other end of the coil part. 1. A valve timing changing device that changes an opening/closing timing of an intake valve or an exhaust valve which is driven by a cam shaft , comprising:a vane rotor that is connected to the cam shaft to integrally rotate with the cam shaft about a same axis;a housing rotor that accommodates the vane rotor and is capable of relative rotation in a predetermined angle range about the axis; anda torsion coil spring that includes a coil portion such that the coil portion biases the vane rotor to rotate in one direction relative to the housing rotor,the vane rotor including a first inner guide portion that is inserted into the coil portion from one end of the coil portion, andthe housing rotor including a second inner guide portion that is inserted into the coil portion from the other end of the coil portion.2. The valve timing changing device according to claim 1 , wherein the first inner guide portion and the second inner guide portion are configured to have a cylindrical outer circumferential surface.3. The valve timing changing device according to claim 1 , wherein the housing rotor includes an opening through which a bolt for fastening the vane rotor to the cam shaft passes and includes the second inner guide portion around the opening claim 1 , andwherein the vane rotor includes a through-hole through which the bolt passes and includes the first inner guide portion ...

Valve opening/closing timing control device

A valve opening/closing timing control device includes an advancing chamber and a retarding chamber between driving and driven rotating bodies, an intermediate locking mechanism performing switching between a locked state and an unlocked state, an advancing channel connected to the advancing chamber, a retarding channel connected to the retarding chamber, and at least one electromagnetic valve supplying/discharging working fluid to/from the advancing chamber, retarding chamber, and intermediate lock mechanism due to an electricity supply amount being changed. When working fluid is discharged from the intermediate lock mechanism, and working fluid is supplied to the advancing chamber and is discharged from the retarding chamber, the maximum working fluid flow amount through the advancing and retarding channels is greater than the maximum working fluid flow amount through the advancing and retarding channels when the electromagnetic valve is controlled such that the working fluid is supplied to the intermediate lock mechanism.

VALVE OPENING AND CLOSING TIMING CONTROL DEVICE

A valve opening and closing timing control device includes: a drive-side rotary body rotating synchronously with a crankshaft; a driven-side rotary body provided inside the drive-side rotary body coaxial with the drive-side rotary body and rotating integrally with a camshaft; advance and retard chambers formed between the drive-side and driven-side rotary bodies; a valve unit including a spool and controlling supply and discharge of fluid to and from the advance and retard chambers; a tubular valve case having an internal space extending along the rotation axis inside the driven-side rotary body and housing the valve unit; first and second drain flow paths through which the fluid is discharged from one and the other of the advance and retard chambers, respectively, through the spool. The first drain and second drain flow paths extend in directions intersecting each other at different positions in the rotation axis direction. 1. A valve opening and closing timing control device comprising:a drive-side rotary body that rotates synchronously with a crankshaft of an internal combustion engine;a driven-side rotary body that is provided inside the drive-side rotary body in a state of being coaxial with a rotation axis of the drive-side rotary body and that rotates integrally with a camshaft for opening and closing a valve;an advance chamber and a retard chamber formed between the drive-side rotary body and the driven-side rotary body;a valve unit that includes a spool movable in a rotation axis direction and that controls supply and discharge of fluid to and from the advance chamber and the retard chamber;a tubular valve case that has an internal space extending along the rotation axis inside the driven-side rotary body in a radial direction and that houses the valve unit in the internal space;a first drain flow path through which the fluid is discharged from any one of the advance chamber or the retard chamber through the spool; anda second drain flow path through which ...

VALVE OPENING AND CLOSING TIMING CONTROL DEVICE

A valve opening and closing timing control device includes: a drive-side rotary body rotating synchronously with a crankshaft; a driven-side rotary body provided inside the drive-side rotary body coaxially and rotating integrally with a camshaft; advance and retard chambers formed between the drive-side and driven-side rotary bodies; a lock mechanism switchable between a lock state and a lock release state; a valve unit including a fluid supply pipe into which fluid is supplied and a spool movable along a direction of the rotation axis, and controlling supply of the fluid to and from the lock mechanism, and the advance and retard chambers; and a tubular valve case having an internal space inside the driven-side rotary body and housing the valve unit in the internal space. A first opening portion is formed in the fluid supply pipe. A second opening portion is formed in the valve case. 1. A valve opening and closing timing control device comprising:a drive-side rotary body that rotates synchronously with a crankshaft of an internal combustion engine;a driven-side rotary body that is provided inside the drive-side rotary body in a state of being coaxial with a rotation axis of the drive-side rotary body and that rotates integrally with a camshaft for opening and closing a valve;an advance chamber and a retard chamber formed between the drive-side rotary body and the driven-side rotary body;a lock mechanism that is switchable between a lock state in which a relative rotation phase of the driven-side rotary body with respect to the drive-side rotary body is restrained to an intermediate phase between a most retarded phase and a most advanced phase and a lock release state in which the restraint of the intermediate phase is released;a valve unit that includes a fluid supply pipe into which fluid is supplied and a spool movable along a direction of the rotation axis on an outer peripheral side of the fluid supply pipe, and that controls supply of the fluid to and discharge ...

CONTROL VALVE

This disclosure reliably causes transition to a locked state at the time of internal combustion engine deactivation and reliably causes transition to the locked state when a locking mechanism is not in the locked state at the time of internal combustion engine activation. A control valve spool is operable to a phase control position in which the supply/discharge of a fluid to/from an advance port and a retard port is controlled while the fluid is supplied to a lock releasing port, and to a lock transition position in which the supply/discharge of the fluid to/from the advance port and the retard port is controlled while the fluid is discharged from the lock releasing port. A communication path through which a portion of the fluid from a pump port is discharged to a drain port when the spool is operated to the lock transition position is formed. 1. A control valve for a valve opening/closing timing control apparatus including: a driving-side rotary body that synchronously rotates with a crankshaft of an internal combustion engine; a driven-side rotary body that rotates together with a camshaft of the internal combustion engine and rotates relative to the driving-side rotary body , a relative rotation phase between the driving-side rotary body and the driven-side rotary body being displaced in an advance direction by a fluid being supplied to an advance chamber and being displaced in a retard direction by the fluid being supplied to a retard chamber; and a locking mechanism that holds the relative rotation phase to a predetermined locked phase by engagement of a locking member with an engaging portion formed on one of the driving-side rotary body and the driven-side rotary body , the locking member being supported by the other of the driving-side rotary body and the driven-side rotary body ,the control valve comprising: a valve case; a spool housed in the valve case; and an electromagnetic solenoid that drives the spool such that the spool moves along an axis of the ...

Camshaft adjuster having a variable-length insert part

A vane-type, hydraulic cam shaft adjuster ( 1, 20 ) having a stator ( 2 ) and a rotor that is rotatably mounted in relation to the stator ( 2 ), wherein at least one locking bolt ( 10 ) is provided in order to limit the rotor in relation to the stator ( 2 ), in at least one direction of rotation, when the locking bolt is brought into contact with a slot guide ( 12 ) of an insert part ( 4, 21 ), wherein the insert part ( 4, 21 ) is secured in a component ( 2 ) that is secured to the stator, wherein the insert part has securing regions, between which securing regions and the component ( 2 ) that is secured to the stator there is frictional connection, and wherein the insert part ( 4, 21 ) is formed, in terms of material and geometrics, in such a way that a deformation ( 19 ) causes a change in length ( 18 ) of the insert part ( 4, 21 ), involving the friction connection.

Valve opening/closing timing control device

A valve opening/closing timing control device includes: a driving side rotator synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotator coaxially disposed with a rotation axis of the driving side rotator and integrally rotating with a valve opening/closing camshaft; advance and retard chambers formed between the driving side and driven side rotators; a lock mechanism including a lock member capable of engaging with a recessed portion formed on one of the driving side and driven side rotators, and provided in the other of the driving side and driven side rotators; and a connecting bolt coaxially disposed with the rotation axis and connecting the driven side rotator to the camshaft, in which the connecting bolt includes an internal space, a valve unit accommodates a spool, and the spool includes an internal flow path, and, in the spool, a lock holding check valve is disposed.

Central locking for a camshaft adjuster

A hydraulic camshaft adjuster for changing the control times of gas exchange valves of an internal combustion engine, designed as a vane cell camshaft adjuster. A control device inserted in the vane selectively opens and interrupts a flow connection between the working chambers. A locking device prevents relative motion between the rotor and the stator in that the rotor is fastened to the stator at a vane position. A switching valve, which has three working ports, a P port and a T port, can be moved into different control positions by an adjusting element,—wherein in the control position, the P port communicates with the working chambers via the A port, the B port is blocked at the switching valve, and the T port communicates with the control device of the vanes via the C port. In a control position provided as a starting strategy for the switching valve the A port communicates with the P port and the working chambers, the B port communicates with the T port and the working chambers, and the C port communicates with the control device of the vanes and the T port.

VALVE OPENING AND CLOSING TIMING CONTROL DEVICE

A valve opening and closing timing control device includes: a drive-side rotary body rotating synchronously with a crankshaft; a driven-side rotary body arranged coaxially with the drive-side rotary body and rotating integrally with a valve opening and closing camshaft; a fluid pressure chamber defined between the drive-side and driven-side rotary bodies; advance and retard chambers defined by partitioning the fluid pressure chamber; an intermediate lock mechanism selectively switches between a lock state and a lock release state; advance and retard flow paths allowing a flow of the working fluid to be supplied to and discharged from the advance and retard chambers; a control valve including a spool; and a phase control unit moving a position of the spool by controlling a power supply amount to the control valve to supply and discharge the working fluid to and from the advance and retard chambers to displace a relative rotation phase. 1. A valve opening and closing timing control device comprising:a drive-side rotary body that rotates synchronously with a crankshaft of an internal combustion engine;a driven-side rotary body that is arranged coaxially with a rotation axis of the drive-side rotary body and that rotates integrally with a valve opening and closing camshaft of the internal combustion engine;a fluid pressure chamber defined between the drive-side rotary body and the driven-side rotary body;an advance chamber and a retard chamber defined by partitioning the fluid pressure chamber with a partition portion provided in at least one of the drive-side rotary body and the driven-side rotary body;an intermediate lock mechanism that selectively switches between a lock state in which a relative rotation phase of the driven-side rotary body with respect to the drive-side rotary body is restrained to an intermediate lock phase between a most advanced phase and a most retarded phase and a lock release state in which the restraint of the intermediate lock phase is ...

Hydraulic camshaft adjuster having a mechanical and a hydraulic ratchet

The disclosure relates to a hydraulic camshaft adjuster having a stator, which is synchronously rotatable with a crankshaft of the internal combustion engine, a rotor rotatably arranged relative to the stator and synchronously rotatable with a camshaft, two groups of working chambers that can each be loaded with a pressure medium in a pressure medium circuit, and a central locking device for locking the rotor in a defined position relative to the stator. The stator is delimited on a first front end by a multi-part locking cover. The multi-part locking cover has a first locking cover and a second locking cover. A first stage of a mechanical ratchet is formed on the first locking cover, and at least one further stage of the mechanical ratchet is formed on the second locking cover.

Apparatus and method of adjusting valve timing for internal combustion engine

Disclosed is an apparatus of adjusting valve timing for internal combustion engine configured to adjust at least one valve timing of an intake valve and an exhaustive valve by torque of a cam shaft and pressure of working fluid, and a method thereof. The method of the present disclosure is such that a rotor is embedded with a hydraulic control valve configured to operate a locking pin member, and the hydraulic control valve is so configured as to have various control positions in order to supply or discharge working fluid in response to engine emergency stop or start and normal engine operational state whereby locking and releasing operations are realized with accurate responsiveness and reliability due to smaller working fluid through a passage and an engine performance can be improved by adjusting the valve timing.

Multi-locking of a camshaft adjuster, and method for operating a camshaft adjuster

A hydraulic vane-type camshaft adjuster, having a stator and a rotor arranged therein such that the rotor can rotate during control mode, wherein the rotor and the stator form at least two working chambers and are separated by a vane. A locking pin immobilizes the rotor in a rotationally fixed manner in relation to the stator wherein the locking pin is connected to an active accumulator, which deflects the pin if required. The active accumulator is arranged below a rotation axis on a camshaft. A method is also provided.

Hydraulic camshaft adjuster, and method for operating the hydraulic camshaft adjuster

A hydraulic camshaft adjuster adjusts the control time of gas exchange of an internal combustion engine. A reservoir for storing pressure medium is formed on a cover of the hydraulic camshaft adjuster. An overflow opening of the cover is dimensioned such that a volume of pressure medium remains in the reservoir when the hydraulic camshaft adjuster is stationary. This ensures that pressure medium is supplied to the return valve of a central locking mechanism when the engine is running.

Cam shaft phaser with mid-position and retard lock position

A cam shaft phaser, including: a stator including stops; a rotor rotatable with respect to the stator and including a plurality vanes extending radially outward from a body; a plurality of channels, each channel passing through a respective vane included in the plurality of vanes; and a plurality of pairs of advance and retard chambers at least partially formed by the plurality of radially inwardly extending stops and the plurality of vanes. Advance and retard chambers for each pair of advance and retard chambers are separated in a first circumferential direction by a respective vane from the plurality of vanes. Each channel connects the advance and retard chambers for said each pair of advance and retard chambers. The first plurality of channels are arranged to enable fluid flow through the first plurality of channels to displace the rotor from at least one circumferential position to a mid-lock or retard-lock position.

VARIABLE VALVE TIMING CONTROL DEVICE

A variable valve timing control device includes a drive-side rotational body, a driven-side rotational body, a connecting bolt being coaxially disposed with a rotary axis and connecting the driven-side rotational body to a camshaft, a valve unit including a spool being disposed at an inner space of the connecting bolt and supplying and discharging a fluid to and from an advanced-angle chamber and a retarded-angle chamber, the valve unit discharging the fluid from an opening of a head portion of the connection bolt when the spool controls the fluid, and a reservoir being coaxially disposed with the rotary axis that is positioned laterally, the reservoir accumulating the fluid discharged from the opening of the head portion from which the fluid is configured to be sucked. 1. A variable valve timing control device , comprising:a drive-side rotational body rotating synchronously with a crankshaft of an internal combustion engine;a driven-side rotational body being coaxially disposed with a rotary axis of the drive-side rotational body and rotating integrally with a camshaft;a connecting bolt being coaxially disposed with the rotary axis and connecting the driven-side rotational body to the camshaft;a valve unit including a spool being disposed at an inner space of the connecting bolt and supplying and discharging a fluid to and from an advanced-angle chamber and a retarded-angle chamber that are disposed between the drive-side rotational body and the driven-side rotational body, the valve unit discharging the fluid from an opening of a head portion of the connection bolt when the spool controls the fluid; anda reservoir being coaxially disposed with the rotary axis that is positioned laterally, the reservoir accumulating the fluid discharged from the opening of the head portion from which the fluid is configured to be sucked.2. The variable valve timing control device according to claim 1 , whereinthe reservoir includes a non-rotational cylindrical body that is formed ...

Piston for a hydraulic valve for a cam phaser and hydraulic valve for the cam phaser

A piston for a hydraulic valve of a rotation phaser, wherein the piston is configured hollow cylindrical, wherein the piston is axially movable in a central opening extending along a first longitudinal axis of a housing of the hydraulic valve, wherein operating connections of the housing are opened and closed according to a position of the piston, wherein the piston includes check valves which prevent an unintentional outflow of a hydraulic fluid flowing through the piston from an inner cavity of the piston in flow through openings of the piston associated with the operating connections, wherein the piston is configured with check valves in its inner cavity that open towards its interior cavity, wherein the check valves are fixated by a spacer element that is arranged between the two check valves. The invention also relates to a hydraulic valve for a rotation phaser of a cam shaft.

VARIABLE VALVE TIMING CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

When an intermediate lock by an intermediate lock mechanism is released, one of two lock keys, which restricts a shift in a direction opposite to a direction that valve timing of an intake valve has been controlled by controlling the valve timing of the intake valve to a phase-advance side with respect to an intermediate lock position, is pulled out of an engaging recessed portion. Thereafter, the other of the two lock keys is pulled out of an engaging recessed portion by controlling the valve timing of the intake valve to a phase-retard side with respect to the intermediate lock position. Therefore, the intermediate lock by the intermediate lock mechanism can be released, while avoiding the lock keys from being pushed against the respective engaging recessed portions. 1. A variable valve timing control device of an internal combustion engine comprising:a variable valve timing mechanism having a first rotor adapted to rotate together with a camshaft and a second rotor arranged coaxially with the first rotor and adapted to rotate together with a crankshaft, and configured to variably control valve timing of an engine valve by changing a relative rotational phase between the first rotor and the second rotor depending on an operating condition;an intermediate lock mechanism configured to enable an intermediate lock that holds the valve timing at a predetermined intermediate lock position; andthe intermediate lock mechanism having a phase-advance side intermediate-position holding member for restricting a shift of the valve timing from the intermediate lock position to a phase-advance side by engagement with the first rotor and the second rotor, and a phase-retard side intermediate-position holding member for restricting a shift of the valve timing from the intermediate lock position to a phase-retard side by engagement with the first rotor and the second rotor,wherein, when the intermediate lock by the intermediate lock mechanism is released, a first intermediate lock ...

Oil control valve

An oil control valve has a housing and a spool valve that is arranged in the housing and is movable in the axial direction. The movement range of the spool valve includes a first area and a second area. In the first area, a port that is connected to a lock mechanism opens to prevent the movement of a variable valve timing mechanism through drainage of oil from the lock mechanism. In the second area, oil is supplied and drained to and from the variable valve timing mechanism through a passage inside the spool valve. The first area exists at a position separated from the second area in the movement range.

VARIABLE VALVE TIMING CONTROL DEVICE

A variable valve timing control device includes a valve unit including a spool having a plurality of land portions at an outer circumference of the spool, and being formed with a drain flow path inside the spool. The valve unit allows a second pump port and a lock port to communicate with each other in a case where the spool is set at an unlock position where a lock state of a lock mechanism is released, and the valve unit closes the second pump port with the land portion of the spool and allows the lock port to communicate with the drain flow path in a case where the spool is set at a lock position where the lock mechanism is allowed to be shifted in the lock state. 2. The variable valve timing control device according to claim 1 , wherein a communication portion of the lock port communicates with one of a drain hole portion and an outer circumference of a distal end portion of the spool when the lock mechanism is in the lock state.3. The variable valve timing control device according to claim 1 , whereinthe drain flow path of the spool is configured to discharge the fluid from an outlet of an end portion of an outer end side of the spool; andthe lock port is disposed outwardly relative to both the advanced-angle port and the retarded-angle port in the direction along the rotary axis.4. The variable valve timing control device according to claim 2 , whereinthe drain flow path of the spool is configured to discharge the fluid from an outlet of an end portion of an outer end side of the spool; andthe lock port is disposed outwardly relative to both the advanced-angle port and the retarded-angle port in the direction along the rotary axis.8. The variable valve timing control device according to claim 1 , wherein the plurality of lock ports is provided at an inner circumferential surface of the connecting bolt in the circumferential direction.9. The variable valve timing control device according to claim 2 , wherein the plurality of lock ports is provided at an inner ...

CONTROL DEVICE AND CONTROL METHOD FOR VALVE TIMING ADJUSTMENT DEVICE

An ECU () causes lock pin-release hydraulic pressure to be applied to an advance-side lock pin-release oil passage () to disengage an advance-side lock pin () from an advance-side engagement groove (), thereby making a rotor () rotatable in an advance direction, and forming a clearance communicating with a retard-side lock pin-release oil passage (), between the advance-side engagement groove () and the advance-side lock pin (). Next, the ECU () causes hydraulic pressure to be applied to advancing hydraulic chambers () to rotate the rotor (), and causes the lock pin-release hydraulic pressure to be applied through the clearance and through the retard-side lock pin-release oil passage () to a retard-side engagement groove () to disengage a retard-side lock pin (). 1. A control device for a valve timing adjustment device that includesa first rotary body including a hydraulic chamber,a second rotary body including a vane which separates the hydraulic chamber into an advance-side section and a retard-side section, the second rotary body being relatively rotatable with respect to the first rotary body, the second rotary body being accommodated in the first rotary body, anda lock mechanism for locking the second rotary body in an intermediate position between a most advanced position and a most retarded position, a through hole formed inside the vane in an axial direction of the second rotary body,', 'a cylindrical member having a cylindrical shape introduced into the through hole in a state in which axial sliding and rotational movement relative to the through hole are restricted,', 'a first lock pin and a second lock pin provided coaxially with each other inside the cylindrical member,', 'a first engagement groove and a second engagement groove which are formed in the first rotary body, and with which the first lock pin and the second lock pin are to be respectively engaged,', 'a biasing member that biases the first lock pin toward the first engagement groove, and that ...

VALVE OPEN/CLOSE TIMING CONTROL DEVICE

The valve open/close timing control device includes a housing that rotates synchronously with a crankshaft, an inner rotor that is disposed inside of the housing and rotates integrally with a camshaft, a fluid pressure chamber formed between the housing and the inner rotor, an intermediate lock mechanism capable of switching between a locked state and an unlocked state, an unlocking channel that allows passage of working oil to be supplied to or discharged from the intermediate lock mechanism, a lock discharge channel that allows passage of working oil discharged from the intermediate lock mechanism, and an electromagnetic valve that controls the supply/discharge of the working oil to/from the fluid pressure chamber and the intermediate lock mechanism. With this valve open/close timing control device, the lock discharge channel allows passage of the working oil in the case where the electricity supply amount to the electromagnetic valve is 0 or the maximum. 1. A valve open/close timing control device , comprising:a driving rotating body that rotates synchronously with a driving shaft of an internal combustion engine;a driven rotating body that is arranged inside of the driving rotating body, coaxially with an axis of the driving rotating body, and rotates integrally with a camshaft for opening/closing a valve of the internal combustion engine;a fluid pressure chamber defined between the driving rotating body and the driven rotating body;an intermediate lock mechanism capable of, with supply/discharge of a working fluid, selectively switching between a locked state in which a relative rotation phase of the driven rotating body with respect to the driving rotating body is constrained to an intermediate lock phase between a maximum advance phase and a maximum retard phase, and an unlocked state in which the constraint to the intermediate lock phase is released;an unlocking channel that allows passage of the working fluid to be supplied to or discharged from the ...

VALVE TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

In a hydraulically-operated vane rotor equipped variable valve timing control device for an internal combustion engine, a fluid-communication control mechanism is configured to switch, after having started the engine, a communication hole from a communicated state to a fluid-communication restricted state prior to switching operation of a lock mechanism from a lock state in which rotary motion of a vane rotor relative to a housing is restricted to an unlock state in which rotary motion of the vane rotor relative to the housing is enabled. As a result of this configuration, it becomes possible to apply, after having started the engine, an appropriately controlled hydraulic pressure to all of vanes, with hydraulic pressure supplied to either all phase-retard chambers or all phase-advance chambers, thereby ensuring a good control responsiveness of the vane rotor. 1. A valve timing control device for an internal combustion engine , comprising:a housing adapted to be driven by torque transmitted from a crankshaft and having a plurality of shoes formed to protrude radially inward from an inner periphery of the housing for partitioning an internal space into a plurality of working chambers;a vane rotor having a rotor configured to rotate relatively to the housing and a plurality of vanes fixedly connected to a camshaft together with the rotor and formed to protrude radially outward from an outer periphery of the rotor for partitioning the working chambers into phase-retard chambers and phase-advance chambers in cooperation with the shoes;a lock mechanism interposed between the vane rotor and the housing for restricting rotary motion of the vane rotor relative to the housing depending on an engine operating condition; anda fluid-communication control mechanism having a communication hole formed in at least one of the plurality of vanes so as to permit fluid-communication between the phase-retard chamber and the phase-advance chamber defined by the at least one vane through ...

Hydraulic camshaft adjuster with centre locking and adjustable locking play

A hydraulic camshaft adjuster-having a stator drivable by the internal combustion engine and having a rotor connectable to a camshaft, wherein the rotor is fixed releasably to the stator via at least one first pin-like locking pin in a rotationally fixed manner in a centre position counter to a first rotational direction. The locking pin is designed for moving into and moving out of a first slotted guide in a first axial direction defined by the rotational axis of the stator and/or of the rotor. A second locking pin can be moved in a second axial direction parallel to the first axial direction but in a different direction, into a second slotted guide, so as to secure the rotor relative to the stator in a centre position counter to a second rotational direction in a different direction to the first rotational direction, and can be moved out of the second slotted guide.

Multi-position camshaft phaser with two one-way wedge clutches

A camshaft phaser, including: a stator arranged to receive torque; a rotor arranged to be non-rotatably connected to a camshaft; first and second wedge plates radially disposed between the rotor and the stator; and a displacement assembly arranged to for an advance mode, displace the first wedge plate in a first axial direction so that the rotor is rotatable with respect to the stator in a first circumferential direction. For a retard mode, the displacement assembly is arranged to displace the second wedge plate in a second axial direction, opposite first axial direction, so that the rotor is rotatable with respect to the stator in a second circumferential direction, opposite the first circumferential direction.

Flow passage partition structure and fluid control valve

A flow passage partition structure including a flow passage member including a flow passage space portion, a partition member partitioning the flow passage space portion into a first flow passage and a second flow passage, the partition member including a first plate and a second plate being in contact with the first plate in a state where the second plate is press-fitted in an inner circumferential surface of the flow passage space portion, the first plate including an outer circumferential surface that is out of contact with the inner circumferential surface of the flow passage space portion, and the first plate, the second plate, and the inner circumferential surface of the flow passage space portion forming a space portion that corresponds to a foreign material storage portion.

Variable valve timing control device

A variable valve timing control device includes a phase detecting portion; a phase control portion driving an electromagnetic solenoid while obtaining a detection signal detected by the phase detecting portion to set a spool to one of a phase control region and a lock region; and a boundary memory portion memorizing a boundary electric current value for referring a boundary between the phase control region and the lock region when the phase control portion operates a phase control; and a characteristic calculation portion obtaining the boundary electric current value by calculation, the boundary electric current value supporting the boundary between the phase control region and the lock region based on solenoid characteristic information of the electromagnetic solenoid and valve characteristic information of an electromagnetic control valve, the characteristic calculation portion memorizing the boundary electric current value to the boundary memory portion.

HYDRAULIC CAMSHAFT ADJUSTER

The disclosure relates to a hydraulic camshaft adjuster for the variable adjustment of the control times of gas exchange valves of an internal combustion engine, having a stator and a rotor rotatable relative to the stator. Radially inwardly projecting webs are formed on the stator and radially outwardly projecting vanes are formed on the rotor. Between the stator and the rotor are formed several hydraulic working chambers, each of which is divided into a first working chamber and a second working chamber by a vane of the rotor. Two locking elements are inserted into the rotor for the temporary, reversibly detachable fixing of the rotor relative to the stator in a middle position. The first locking element and the second locking element can be locked in a common locking slotted guide. The disclosure also relates to a method for locking of the rotor in such a hydraulic camshaft adjuster. 1. A hydraulic camshaft adjuster for variable adjustment of control times of gas exchange valves of an internal combustion engine , the hydraulic camshaft adjuster comprising:a stator having radially inwardly projecting webs;a rotor having outwardly projecting vanes configured to be rotatable relative to the stator;a plurality of hydraulic working chambers formed between the stator and the rotor, each of the plurality of hydraulic working chambers divided into working chambers by one of the vanes of the rotor;first locking element and a second locking element disposed in the rotor, the first and second locking elements configured to lock the rotor in a middle position relative to the stator; andthe first locking element and the second locking element configured to be locked in a common locking slotted guide.2. The hydraulic camshaft adjuster of claim 1 ,the locking slotted guide is formed as a stepped locking slotted guide, the stepped locking slotted guide having a base, a middle step, and a plateau, andthe middle step is formed between the base and the plateau.3. The hydraulic ...

Fluid control valve for a cam phaser

A fluid control valve for selectively controlling the flow of oil to timing advance and retard chambers within a cam phaser and to a cam phaser locking pin comprises a sleeve having an inlet for connection to a source of high pressure oil, a first outlet for connection to a timing advance chamber of the cam phaser, a second outlet for connection to a timing retard chamber of the cam phaser and a third outlet for connection to an actuating chamber of a cam phaser locking pin, a valve spool being rotatably mounted within the sleeve and having channels and/or apertures formed in its outer surface for controlling the flow of oil from the inlet to the first, second and third outlets in dependence upon the rotary position of the spool within the sleeve, wherein the spool is operable in a first configuration wherein the spool is rotatable between a first position, wherein the channels and/or apertures provide fluid communication between the inlet and said first outlet and close fluid communication between the fluid inlet and said second and third outlets, and a second position, wherein said channels and/or apertures provide fluid communication between the inlet and said second outlet and close off fluid communication between the inlet and the first and third outlets, and wherein the spool is operable in a second configuration wherein the spool is rotatable between a third position, wherein said channels and/or apertures provide fluid communication between the inlet and both of said first and third outlets and close off fluid communication between the inlet and said second outlet, and a fourth position, wherein the channels and/or apertures provide fluid communication between the inlet and both the second and third outlets and close off fluid communication between the inlet and the first outlet.

Valve timing control device

Variable valve timing control apparatus

Camshaft phaser

Vane-type camshaft adjuster system

The object of the invention is to provide an economical vane-type camshaft adjuster system that meets the various requirements of various motors. For this purpose, according to the invention a modular system is provided for the valves of a vane-type camshaft adjuster system. Two different embodiments of valves are proposed. With one embodiment, a valve with mid-locking and without mid-locking may be constructed using the same bush. With the other embodiment, a valve with and without special utilization of the camshaft alternating torques may be constructed using the same bush.

Engine control strategy for hydraulic camshaft adjuster with mechanical center lock

Die Erfindung bezieht sich auf eine Motorsteuerstrategie für einen hydraulischen Nockenwellenversteller (1) mit mechanischer Mittenverriegelung mit mindestens einem Rotor (2) und einem Stator (3), zwischen denen hydraulisch beaufschlagbare Kammern A und Kammern B vorgesehen sind. Im Rotor (2) sind axial verschieblich gelagerte Verriegelungskolben (6-10) für die mechanische Mittenverriegelung vorgesehen. Eine Hydraulik und ein elektrisch steuerbares Magnetventil sind vorgesehen, das gesteuert bestromt wird von einem Motorsteuergerät, das beim Abstellen des Motors ein Signal "Zündung aus" und mindestens ein Signal zur aktuellen Winkelposition des Nockenwellenverstellers (1) erhält, die Winkelposition mit mindestens einer im Motorsteuergerät hinterlegten Zonendefinition vergleicht, daraus Steuerbefehle bildet und an das elektrische Magnetventil abgibt. The The invention relates to an engine control strategy for a hydraulic camshaft adjuster (1) with mechanical Center lock with at least one rotor (2) and a stator (3), between which hydraulically loadable chambers A and chambers B are provided. In the rotor (2) are mounted axially displaceable Locking piston (6-10) for mechanical center locking intended. A hydraulics and an electrically controllable solenoid valve are provided, which is supplied with current from an engine control unit, when stopping the engine, a signal "ignition off" and at least one signal to the current angular position of the camshaft adjuster (1) receives the angular position with at least one in Engine control unit compares stored zone definition, from this forms control commands and to the electric solenoid valve emits.

Device for altering the valve timing in an internal combustion engine

Valve opening / closing timing control device

Device for altering the valve timing in an internal combustion engine

The device for the changing of the timing of gas exchange valves of an internal combustion engine comprises a hydraulic adjusting device with two opposite acting pressure chambers, and a control valve (103) consisting of a valve component (114) and operating unit by which the control valve can be brought into several control positions. In a first position of the control valve which corresponds to the control position of a non-activated operating unit, neither the first working connection (A) nor the second working connection (B) of the control valve communicates with its feed connection (P).

Flügelzellennockenwellenverstellersystem

Aufgabe der Erfindung ist es, ein kostengünstiges Flügelzellennockenwellenverstellersystem zu schaffen, das den verschiedenen Anforderung verschiedener Motoren gerecht wird. Dazu ist erfindungsgemäß ein Baukastensystem für die Ventile eines Flügelzellennockenwellenverstellersystems vorgesehen. Es werden zwei verschiedene Ausgestaltungen von Ventilen vorgeschlagen. Bei der einen Ausgestaltung kann ein Ventil mit Mittenverriegelung und ohne Mittelverriegelung mit der gleichen Buchse gebaut werden. Bei der anderen Ausgestaltung kann ein Ventil mit und ohne besonderer Nockenwellenwechselmomentennutzung mit der gleichen Buchse gebaut werden.

Camshaft phaser with ring-type check valve

Phasensteller zur Verstellung der Drehwinkelposition einer Nockenwelle relativ zu einer Kurbelwelle einer Brennkraftmaschine, der Phasensteller umfassend:(a) einen Stator (1),(b) einen Rotor (10), der mit dem Stator (1) eine erste Druckkammer (K) und eine zweite Druckkammer (K) bildet,(c) ein Steuerventil (20) mit einem Druckanschluss (P), einem ersten Arbeitsanschluss (A) und einem zweiten Arbeitsanschluss (B),(d) eine Zuführung (14, 15, 44) für den Zufluss von Druckfluid zum Druckanschluss (P), einen ersten Verbindungskanal (16) zur Verbindung der ersten Druckkammer (K) mit dem ersten Arbeitsanschluss (A) und einen zweiten Verbindungskanal (17) zur Verbindung der zweiten Druckkammer (K) mit dem zweiten Arbeitsanschluss (B)(e) und eine in der Zuführung (14, 15, 44) wirkende Rückschlagventileinrichtung (50) mit einer ringartig um die Drehachse (R) erstreckten Ventilstruktur (51), die eine oder mehrere Federzungen (52) aufweist oder axial beweglich ist, um einen Rückfluss von Druckfluid durch die Zuführung (14, 15, 44) stärker als den Zufluss von Druckfluid zum Druckanschluss (P) zu drosseln,(f) wobei sich die Ventilstruktur (51; 71) im nicht durchströmten Zustand zwischen einer Querschnittsebene (Q), die den Druckanschluss (P) schneidet, und einer Querschnittsebene (Q), die den zweiten Arbeitsanschluss (B) schneidet, erstreckt. Phase adjuster for adjusting the rotational angular position of a camshaft relative to a crankshaft of an internal combustion engine, the phaser comprises: (a) a stator (1), (b) a rotor (10) with the stator (1) a first pressure chamber (K) and a second pressure chamber (K), (c) a control valve (20) with a pressure port (P), a first working port (A) and a second working port (B), (d) a feed (14, 15, 44) for the inflow of pressurized fluid to the pressure port (P), a first connection channel (16) for connecting the first pressure chamber (K) to the first working port (A) and a second connecting channel (17) for connecting the second pressure ...

Valve timing control device

Insert for camshaft adjuster with central locking

Die Erfindung betrifft eine Nockenwellenverstellvorrichtung (1) für eine Verbrennungskraftmaschine eines Kraftfahrzeugs, mit einem Antriebsteil (3), wie einem Außenrotor, und einem Abtriebsteil (4), wie einem Innenrotor, wobei das Abtriebsteil (4) relativ zum Antriebsteil (3) zwischen einer ersten Winkellage und einer zweiten Winkellage rotierbar gelagert ist, wobei ferner in einer Drehwinkelbegrenzungskulisse (5), die in dem Antriebsteil (3) oder dem Abtriebsteil (4) ausgebildet ist, ein von dem Antriebsteil (4) und dem Abtriebsteil (5) ursprünglich separates Einlegeteil (2) angeordnet ist, wobei das Einlegeteil (2) mit zwei axial beweglichen Blockierelementen (8), wie Pins oder Zapfen, in blockierendem Kontakt gelangbar angeordnet ist. Die Erfindung betrifft auch einen Steuertrieb mit einer solchen Nockenwellenverstellvorrichtung (1) und eine Verbrennungskraftmaschine mit einem solchen Steuertrieb. The invention relates to a camshaft adjusting device (1) for an internal combustion engine of a motor vehicle, having a drive part (3), such as an outer rotor, and an output part (4), such as an inner rotor, wherein the output part (4) relative to the drive part (3) between a is rotatably mounted in a first angular position and a second angular position, further in a Drehwinkelbegrenzungskulisse (5) formed in the drive part (3) or the driven part (4), one of the drive part (4) and the output member (5) originally separate Insertion (2) is arranged, wherein the insert (2) with two axially movable blocking elements (8), such as pins or pins, is arranged in blocking contact. The invention also relates to a timing drive with such a camshaft adjusting device (1) and an internal combustion engine with such a timing drive.

Piston for a hydraulic valve of a hydraulic valve for a pivoting motor adjuster and hydraulic valve for a pivoting motor adjuster of a camshaft

Valve opening/closing timing control device

A valve opening/closing timing control device, wherein passage formation for working fluid is easy and the responsiveness of relative rotational phase control is excellent, said device having a drive side rotor, a driven side rotor, a cylindrical member provided to the interior of the driven side rotor, a bolt provided with a cylindrical shaft part, an advance passage and a retard passage, an introduction passage that circulates working fluid supplied from the exterior, a first communicating passage that circulates working fluid from the introduction passage to the inside of the cylindrical shaft part, a second communicating passage and a third communicating passage that are provided to the cylindrical shaft part, and a control valve body that is provided to the inside of the cylindrical shaft part, wherein the second communicating passage and the advance passage are communicating, in the space formed between the cylindrical shaft part and the driven side rotor, between a bolt head and the cylindrical member.

Valve-opening-closing-timing control device

Provided is a compact valve-opening-closing-timing control device for logically configuring a supply channel for supplying a working fluid to an intermediate locking mechanism. A valve-opening-closing-timing control device equipped with a drive-side rotating body, a following-side rotating body affixed to a camshaft by a bolt, a fluid-pressure chamber, an intermediate locking mechanism, a locking channel for conveying a working fluid to the intermediate locking mechanism, and an electromagnetic valve having a spool positioned inside the bolt, wherein the locking channel has: a first channel connected to the supply channel and positioned in the radial direction between the spool and the supply channel extending in the axial direction inside the bolt; and a second channel for conveying the working fluid between the spool and the intermediate locking mechanism and formed so as to pass through the interior of the bolt in the radial direction thereof. Furthermore, at least a section of the first channel and at least a section of the second channel are positioned inside the same plane perpendicular to the axial center.

Valve opening and closing timing control apparatus

A valve opening and closing timing control apparatus includes a driving-side rotational body, a driven-side rotational body, a cylindrical member provided at an inner portion of the driven-side rotational body, a bolt including a cylinder shaft portion, an advanced angle flow passage and a retarded angle flow passage, an introduction passage bringing the working fluid supplied from an outside to flow, a first connection passage bringing the working fluid at the introduction passage to flow to an inner side of the cylinder shaft portion, a second communication passage and a third communication passage arranged at the cylinder shaft portion, and a control valve element provided at the inner side of the cylinder shaft portion, the second communication passage and the advanced angle flow passage being in communication with a void provided between the bolt head and the cylindrical member and between the cylinder shaft portion and the driven-side rotational body.

弁開閉時期制御装置

【課題】中間ロック機構への作動流体の供給流路を合理的に構成して、コンパクトな弁開閉時期制御装置を提供する。 【解決手段】弁開閉時期制御装置１０は、駆動側回転体１と、カムシャフト１０１にボルトＢで固定される従動側回転体２と、流体圧室と、中間ロック機構８と、中間ロック機構８に対して作動流体を流通させるロック流路４５と、ボルトＢの内部に配置されるスプール５２を有する電磁弁５１と、を備え、ロック流路４５は、ボルトＢの内部の軸芯方向Ｘに沿って流通させる供給流路６１とスプール５２との間の径方向に配置され、供給流路６１に接続される第一流路５ｇと、ボルトＢの内部の径方向に貫通形成され、スプール５２と中間ロック機構８との間に作動流体を流通させる第二流路４５ａとを有し、第一流路５ｇの少なくとも一部と第二流路４５ａの少なくとも一部とが軸芯Ｘと直交する同一平面内に位置している。 【選択図】図１

阀正时控制装置

本发明提供了一种合理地构成向中间锁定机构供给工作流体的供给流路并且紧凑的阀正时控制装置。该阀正时控制装置具有：驱动侧旋转体、通过螺栓固定于凸轮轴的从动侧旋转体、流体压室、中间锁定机构、使工作流体相对于中间锁定机构流通的锁定流路、以及具有配置于螺栓的内部的卷轴的电磁阀；锁定流路具有：沿径向配置于使工作流体于螺栓的内部沿轴芯方向流通的供给流路和卷轴之间，并与供给流路连接的第一流路，以及沿径向贯穿螺栓的内部而形成，并使工作流体于卷轴和中间锁定机构之间流通的第二流路；第一流路的至少一部分和第二流路的至少一部分位于与轴芯正交的同一平面内。

Valve-opening-closing-timing control device

Valve opening and closing timing control apparatus

A valve opening and closing timing control apparatus includes a driving-side rotating body, a driven-side rotating body fixed to a camshaft by a bolt, a fluid pressure chamber, an intermediate lock mechanism, a lock flow passage bringing the working fluid to the intermediate lock mechanism, and an electromagnetic valve including a spool which is arranged at an inner portion of the bolt, the lock flow passage including a first flow passage which is arranged between the spool and a supply flow passage in a radial direction and which is connected to the supply flow passage, the lock flow passage including a second flow passage which is provided at the inner portion of the bolt in a penetrating manner in the radial direction and which brings the working fluid to flow between the spool and the intermediate lock mechanism.

阀正时控制装置

本发明提供了一种合理地构成向中间锁定机构供给工作流体的供给流路并且紧凑的阀正时控制装置。该阀正时控制装置具有：驱动侧旋转体、通过螺栓固定于凸轮轴的从动侧旋转体、流体压室、中间锁定机构、使工作流体相对于中间锁定机构流通的锁定流路、以及具有配置于螺栓的内部的卷轴的电磁阀；锁定流路具有：沿径向配置于使工作流体于螺栓的内部沿轴芯方向流通的供给流路和卷轴之间，并与供给流路连接的第一流路，以及沿径向贯穿螺栓的内部而形成，并使工作流体于卷轴和中间锁定机构之间流通的第二流路；第一流路的至少一部分和第二流路的至少一部分位于与轴芯正交的同一平面内。

Device for changing control time of gas-exchange valves of an internal combustion engine

본 발명은 내연기관의 가스 교환 밸브들의 제어 시간을 변경하기 위한 장치(101)에 관한 것으로서, 더욱 상세하게는 유압식 조정장치(102)와 제어 밸브(103)를 구비한 상기 장치(101)에 관한 것이다. 본 발명에 따른 상기 장치(101)는 유압식 조정장치(102)의 중간 위치 고정장치를 구비하고 있다. 또한, 본 발명에 따른 장치(101)에 의해, 상기 제어 밸브(103)를 조절하는 컨트롤 유닛(112)에 고장이 발생할 시에도 상기 유압식 조정장치(102)는 중간 위치에 고정되고, 이러한 고정은 상기 컨트롤 유닛(112)이 수리될 때까지 유지되는 점이 보장된다. 또한, 본 발명에 따른 장치(101)는, 내연기관의 시동 시에 상기 유압식 조정장치(102)의 이동 가능한 엘리먼트(105)가 압력 공간부(104)의 측벽부에 충돌하지 않으면서, 중간 위치에 고정된 위치에서 내연기관의 시동을 가능하게 한다. The present invention relates to an apparatus (101) for changing the control time of gas exchange valves of an internal combustion engine, and more particularly to an apparatus (101) having a hydraulic regulator (102) and a control valve (103). will be. The device 101 according to the invention is provided with an intermediate position lock of the hydraulic adjustment device 102. In addition, by the device 101 according to the present invention, the hydraulic control device 102 is fixed in an intermediate position even when a failure occurs in the control unit 112 that controls the control valve 103. It is ensured that the control unit 112 remains until repaired. In addition, the device 101 according to the present invention has an intermediate position without moving the movable element 105 of the hydraulic control device 102 at the start of the internal combustion engine, while not colliding with the side wall portion of the pressure space 104. Enable the start of the internal combustion engine in a position fixed at 유압식 조정장치, 컨트롤 유닛, 제어 피스톤, 작동 포트, 유입 포트, 유출 포트 Hydraulic regulator, control unit, control piston, operating port, inlet port, outlet port

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带环形止回阀的凸轮轴相位调节器

相位调节器，用于调节内燃机的凸轮轴相对于曲轴的旋转角位置，相位调节器包括：(a)定子(1)，(b)转子(10)，其与定子(1)形成第一压力室(K 1 )和第二压力室(K 2 )，(c)控制阀(20)，其具有压力接口(P)、第一工作接口(A)和第二工作接口(B)，(d)用于压力流体向压力接口(P)的入流的输送件(14，15，44)，用于将第一压力室(K 1 )与第一工作接口(A)连接的第一连接通道(16)和用于将第二压力室(K 2 )与第二工作接口(B)连接的第二连接通道(17)，(e)作用于输送件(14，15，44)中的止回阀装置(50)，具有围绕旋转轴(R)环形延伸的阀结构(51)，该阀结构具有一个或多个舌簧(52)或可轴向移动，以比压力流体向压力接口(P)的入流更强地对压力流体通过输送件(14，15，44)的回流进行节流，(f)其中，阀结构(51；71)在非流通状态中在与压力接口(P)相交的截面平面(Q P )和与第二工作接口(B)相交的截面平面(Q B )之间延伸。

Variable valve operating device for internal combustion engine

A variable valve device (20) equipped with a hydraulically actuated variable mechanism (25) that changes the valve timing, and a lock mechanism (26) that locks the valve timing during a prescribed period between the most retarded angle period and the most advanced angle period. The lock mechanism (26) has an advanced angle restriction mechanism and a retarded angle restriction mechanism, and the valve timing is mechanically locked for a prescribed period by means of the cooperation of these mechanisms. The advanced angle restriction mechanism and the retarded angle restriction mechanism each have a release chamber to which operating oil is supplied to control the operations of said mechanisms. The supply/discharge of operating oil for these release chambers is controlled by a common OCV (62). A control unit (18) controls the supply/discharge of operating oil for the release chambers of both restriction mechanisms by means of the common OCV (62) so as to always release the pin of the same restriction mechanism, either the advanced angle restriction mechanism or the retarded angle restriction mechanism, before releasing the pin of the other restriction mechanism.

Valve timing control device

可变气门正时控制装置

本发明公开了一种可变气门正时控制装置(1)，其包括：驱动侧转动件(2)；从动侧转动件(3)；流体压力腔(4)；提前角室(41)；延迟角室(42)；中间锁定机构(5)，其包括锁定件(51)和锁定孔(52)，当锁定件伸出时，锁定孔与锁定件相接合，中间锁定机构构造为在锁定状态和解锁状态之间切换，在锁定状态，从动侧转动件相对于驱动侧转动件的相对转动相位限制在中间相位；阀(63)，当向阀(63)供电时，阀允许流体排出，当中断供电时，阀允许流体供应；以及控制部，其中，当流体压力开始降低之后，中断向阀的电流供应。

Camshaft phaser

본 발명에 따른 내연 기관 내의 크랭크샤프트와 캠샤프트 사이의 위상 관계를 제어 가능하게 변화시키는 캠샤프트 페이저는 복수개의 로브를 갖는 고정자를 포함한다. 회전자가 고정자 내에 동축으로 배치되고, 교대형 진각 챔버 및 지각 챔버를 한정하도록 로브가 배치되는 복수개의 베인을 갖는다. 로크 핀이 회전자와 고정자 사이의 위상 관계의 변화를 방지하도록 로크 핀 장착부와의 선택적인 결합을 위해 회전자 내에 배치된다. 로크 핀 오일 제어 밸브가 1) 진각 챔버들 중 하나로부터 가압 오일을 선택적으로 수용하여 로크 핀으로 가압 오일을 유도하도록 그리고 2) 지각 챔버들 중 하나로부터 가압 오일을 선택적으로 수용하고 로크 핀으로 가압 오일을 유도하여 로크 핀 장착부로부터 로크 핀을 분리하도록 캠샤프트 페이저 내에 위치된다. A camshaft phaser for controllably changing a phase relationship between a crankshaft and a camshaft in an internal combustion engine according to the present invention includes a stator having a plurality of lobes. The rotor has a plurality of vanes disposed coaxially within the stator and lobes disposed to define alternating advance chambers and retard chambers. A lock pin is disposed within the rotor for selective engagement with the lock pin mount to prevent a change in the phase relationship between the rotor and the stator. so that the lock pin oil control valve 1) selectively receives pressurized oil from one of the advancing chambers and directs the pressurized oil to the lock pin and 2) selectively receives pressurized oil from one of the retard chambers and pressurized oil with the lock pin is positioned within the camshaft phaser to guide and disengage the lock pin from the lock pin mount.

阀开闭定时控制装置

本发明提供一种阀开闭定时控制装置，其可以防止由凸轮轴的扭矩变动产生的流体的脉动压力对锁止解除用的流体通路造成影响，可以抑制在内燃机驱动时意外地成为锁止状态。设置有：第1流体通路，其向提前角用室供给/排出流体；第2流体通路，其向滞后角用室供给/排出流体；第3流体通路，其向可以约束内部转子和外部转子之间的相对旋转的锁止机构供给/排出流体；第1切换阀，其控制向第1流体通路以及第2流体通路供给/排出流体；第2切换阀，其控制向第3流体通路供给/排出流体；泵，其向第1切换阀以及第2切换阀供给流体；以及止回阀，其禁止流体从第1切换阀向第2切换阀流通，容许流体从第2切换阀向第1切换阀流通。

可变阀正时控制装置

可变阀正时控制装置(A)包括：驱动侧旋转体(20)；从动侧旋转体(30)；连接螺栓(40)，与旋转轴线(X)同轴设置并且将从动侧旋转体(30)与凸轮轴(5)连接；阀单元(Vb)，包括设置在连接螺栓(40)的内部空间中的阀芯(55)，并且将流体供应到超前角室(Ca)和滞后角室(Cb)和从超前角室(Ca)和滞后角室(Cb)排出，当阀芯(55)控制流体时，阀单元(Vb)从连接螺栓(40)的头部(42)的开口排出流体；以及储存器(R)，与侧向定位的旋转轴线(X)同轴设置，储存器(R)积聚从头部(42)的开口排出的流体，流体配置成从该开口被抽吸。

내연기관의 밸브타이밍 조정장치

본 발명은 캠 샤프트의 토크와 작업 유체의 압력에 의해 흡기 밸브와 배기 밸브의 적어도 하나의 밸브 타이밍을 조정하는 내연기관의 밸브타이밍 조정 장치를 개시한다. 본 발명은 하우징에 대한 로터의 상대회전을 규제하여 로터와 하우징 사이의 위치변화를 억제하는 회전방지수단을 포함한다. 회전방지수단은, 상기 래칫 플레이트의 표면에 다른 깊이로 연결 형성된 복수의 로킹홈; 과 상기 베인 중의 적어도 하나의 장착구멍에 탄력설치된 중공의 아우터 핀과 이 아우터핀 내부에 탄력설치된 인너 핀을 포함하고, 캠샤프트의 토크에 의해 상기 복수의 로킹홈에 상기 아우터 핀과 인너 핀의 하나 이상이 각각 순차적으로 결합되어 로킹되거나 해제되도록 된 로킹핀 부재를 포함한다. 본 발명은 로킹핀 부재가 캠 샤프트의 토크에 의해 복수의 로킹홈에 순차적으로 결합되면서 로킹작동을 수행하여 위상각도의 조정범위를 확장할 수 있으므로 연비를 향상하고 출력을 증가하여 엔진 성능을 향할 수 있다.

내연기관의 밸브타이밍 조정장치와 그 방법

본 발명은 캠 샤프트의 토크와 작업 유체의 압력에 의해 흡기 밸브와 배기 밸브의 적어도 하나의 밸브 타이밍을 조정하는 내연기관의 밸브타이밍 조정 장치와 그 방법을 개시한다. 본 발명의 밸브타이밍 조정장치와 방법은 로킹핀 부재를 작동하는 유압제어밸브가 로터에 내장되고, 유압제어밸브가 엔진의 비상ㄹ정지나 시동및 정상작동의 운전상태에 따라 압력유체를 공급하거나 배출하도록 다양한 제어위치를 갖도록 구성하여, 유로를 통한 작업유체 손실이 적어 응답성이 정확하고 신뢰도 높게 로킹 및 해제작동을 구현하고 밸브 타이밍을 조정하여 엔진성능을 향상할 수 있게 된다.

Control valve for valve timing adjusting device of internal combustion engine

The present invention relates to a hydraulic control valve, applied to a valve timing control device of an internal combustion engine, capable of controlling a timing of at least one among an exhaust valve and an intake valve through pressure of working fluids and torque of a cam shaft. The hydraulic control valve is embedded in a rotor. An outer spool, including a plurality of distribution ports, and an inner spool, including working fluid supply and drain ports, are elastically installed in a valve body. As such, the ports of the inner and outer spools are selectively connected to a passage of the rotor and a port of the valve body due to a control signal of a control part in accordance with a driving state of the engine to supply the working fluids to a locking pin member and timing and retard chambers of the rotor. Therefore, the present invention is capable of improving engine performance by controlling the valve timing by enabling highly reliable phase angle control operation and self-locking operation.

凸轮相位器锁定系统

用于凸轮相位器的运动限制系统包括可缩回的运动限制销，其选择性地从凸轮相位器中的转子可伸出以接触定子上的瓣，以在锁定销的接合之前提供对转子的正停止。替换地，凸轮相位器可以包括两个销，其选择性地从转子中的孔中的相对开口伸出，以接合略微彼此偏开的座部。

发动机的阀门正时控制装置

本发明的目的在于，在发动机停止时，在短期间内成为中间锁止状态，并且实现该中间锁止状态的确认精度的提高。具有能够变更进/排气阀的阀门正时的可变阀门正时机构、和能够将该第1、第2旋转体的相对旋转位置约束在发动机起动用的中间锁止位置的中间锁止机构。如果检测出发动机停止要求，则在发动机停止之前，对可变阀门正时机构和中间锁止机构进行驱动控制以成为中间锁止状态（S12）。在从检测出发动机停止要求开始的规定期间ΔT内检测出处于中间锁止状态的情况下，或者在从检测出发动机停止要求开始经过了规定期间ΔT的情况下，执行发动机的停止处理（S13～S16）。即使在执行该发动机的停止处理之后，直至发动机转速小于规定值NEmin为止，也继续对中间锁止状态进行监视（S17～S19）。

阀开闭时期控制装置

本发明提供一种阀开闭时期控制装置。根据流体压力设定驱动侧旋转体与从动侧旋转体的相对旋转相位的阀单元(Vb)具有连结螺栓(40)的内部空间(40R)的内表面的套筒(53)。套筒(53)包括连通至提前角接口(41a)的提前角连通孔(53a)、以及连通至滞后角接口(41b)的滞后角连通孔(53b)，在连结螺栓(40)与套筒(53)的边界形成有将排出至套筒(53)的外表面侧的流体排出到连结螺栓(40)的头部侧的排液流路(D)。该阀开闭时期控制装置不会导致流路结构的复杂化、大型化而响应性良好地工作。

设定凸轮相位器中空隙的方法

一种设定凸轮相位器中空隙的方法，包括沿第一方向旋转具有瓣的定子，使得瓣接触布置在转子内的第一孔中的运动限位器销，并由此使得运动限位器弹簧压缩，直至运动限位器锁定销进入位于运动限位器锁定销上的沟槽中，并在沟槽的端部处接触壁。然后沿第一方向将转子和定子一起旋转，直至布置在转子的第二孔中的转子锁定销在座部的一个端部处在覆盖件上接合锁定销座部。转子继而被保持在位，而将定子沿第二方向旋转，使得在沟槽的一个端部处的壁和运动限位器锁定销之间存在间隙。

Camshaft adjuster with spring

本发明涉及一种凸轮轴调节器(1)，其具有驱动元件(2)和从动元件(3)，其中，驱动元件(2)相对从动元件(3)能够在限定的角度范围之内在提前位置与滞后位置之间扭转，其中，弹簧(4)将驱动元件(2)与从动元件(3)拉紧，弹簧(4)是凸轮轴调节器(1)的唯一的弹簧(4)，唯一的弹簧能够使驱动元件(2)相对从动元件(3)在角度范围之内扭转到任意的位置(16)中，其中，唯一的弹簧(4)不仅能够引起朝向任意的位置(16)的方向的从提前位置进行的角度调节而且能够引起朝向任意的位置的方向的从滞后位置进行的角度调节，其中，任意的位置(16)通过止挡元件(5)确定，该止挡元件与唯一的弹簧(4)的两个弹簧端部(9、10)接触。

Cvvt system

Introduced is a continuously variable valve timing (CVVT) system comprising: an oil control valve (OCV) which supplies the oil received from a cylinder block to the inside of the CCVT system; an oil supply unit which supplies the oil received from the OCV to a lock pin; and an actuator which selectively opens and closes the oil supply unit and separates the lock pin from a locking hole when the oil supply unit is opened by supplying the oil to the lock pin. Therefore, the present invention prevents an engine from stalling and improves fuel efficiency.

Method (embodiments) and system for variable valve timing device

FIELD: internal combustion engines. SUBSTANCE: invention can be used in the internal combustion engines. Disclosed is a method for actuated by camshaft torque cams change of gas distribution phases. In response to phase adjustment command of camshaft camshaft-actuated phase changes of gas distribution to changeover from locked position - discontinuous movement of slide valve from stop area beyond zero area, uniform movement of slide valve through zero area with control of gas distribution phases movement from locked position. Disclosed are a method for actuated by camshaft torque cams change of gas distribution phases and engine system. EFFECT: technical result consists in improvement of reliability and accuracy of operation of camshaft timing changes actuated by torque of the phase changer cams. 20 cl, 19 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 712 495 C2 (51) МПК F01L 1/344 (2006.01) F02D 13/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01L 1/047 (2019.02); F01L 1/344 (2019.02); F01L 1/34409 (2019.02) (21)(22) Заявка: 2015143864, 14.10.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) 30.01.2020 21.10.2014 US 14/520,192 (43) Дата публикации заявки: 18.04.2017 Бюл. № 11 (45) Опубликовано: 30.01.2020 Бюл. № 4 (56) Список документов, цитированных в отчете о поиске: US 2008156284 A1, 03.07.2008. US 2008022953 A1, 31.01.2008. US 2004040525 A1, 04.03.2004. EP 0799977 B1, 13.12.2000. RU 2493379 C2, 10.06.2013. RU 2353783 C2, 27.04.2009. 2 7 1 2 4 9 5 R U (54) СПОСОБ (ВАРИАНТЫ) И СИСТЕМА ДЛЯ УСТРОЙСТВА ИЗМЕНЕНИЯ ФАЗ ГАЗОРАСПРЕДЕЛЕНИЯ (57) Реферат: Изобретение может быть использовано в клапана через нулевую область с контролем двигателях внутреннего сгорания. Предложен перемещения фаз газораспределения из способ для приводимого в действие крутящим заблокированного положения. Раскрыты способ моментом кулачков фазовращателя ...

Continuously variable valve timing apparatus for engine

本发明涉及一种用于发动机的连续可变气门正时(CVVT)装置，可以包括：壳体；转子，其被设置成能够相对于所述壳体旋转；锁定销，其借助弹力穿过所述壳体和所述转子之间的面对的相对旋转的表面从而通过线性移动限制所述转子相对于所述壳体的旋转；以及液压油控制阀，其被设置成将液压油供应至设置在所述转子和所述壳体之间的提前室和延迟室，其中，当施加至所述液压油控制阀的控制负荷值为“0”时，所述液压油控制阀固定在将液压油供应至所述提前室的状态下。

Cvvt apparatus for engine

The present invention relates to a continuous variable valve timing (CVVT) apparatus for an engine. The CVVT apparatus for an engine comprises: a housing; a rotor installed to be rotated relative to the housing; a lock pin which passes through the facing relative rotation surfaces of the housing and the rotor by an elastic force, and linearly moved to restrict the rotation of the rotor with respect to the housing; and an oil control valve installed to supply oil to an advance chamber and a retard chamber prepared between the rotor and the housing, wherein the oil control valve supplies oil to the advance chamber when a provided control duty value is 0. As such, the present invention improves operational stability by smoothly locking or releasing an intermediate phase CVVT apparatus.

Valve opening / closing timing control device

Valve timing adjustment system

Method for cams distribution phases (embodiments)

FIELD: internal combustion engines. SUBSTANCE: invention can be used in the internal combustion engines. Method for engine comprises the following steps: moving the slide valve in order to move the phasing device of distributing shaft (130) into an advance position relative to the middle locking position in response to the required phasing of the distribution shaft to the middle locking position with the locked stop pin; holding phasing device in advanced position relative to middle locking position; at occurrence of cam rotation impulse, movement of slide valve into holding area. Disclosed are methods (embodiments) for engine. EFFECT: technical result consists in improvement of reliability and accuracy of operation of the device for phasing cams distribution phases. 20 cl, 19 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 706 209 C2 (51) МПК F01L 1/344 (2006.01) F02D 13/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01L 1/34409 (2019.02); F01L 1/3442 (2019.02) (21)(22) Заявка: 2015144205, 15.10.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) 14.11.2019 21.10.2014 US 14/520,184 (43) Дата публикации заявки: 24.04.2017 Бюл. № 12 (56) Список документов, цитированных в отчете о поиске: US 2011017156 A1, 27.01.2011. US 6666181 B2, 23.12.2003. US 8356583 B2, 22.01.2013. EP 0799977 B1, 13.12.2000. RU 2479728 C1, 20.04.2013. RU 2493376 C1, 20.09.2013. (45) Опубликовано: 14.11.2019 Бюл. № 32 2 7 0 6 2 0 9 R U (54) СПОСОБ ДЛЯ УСТРОЙСТВА ИЗМЕНЕНИЯ ФАЗ КУЛАЧКОВОГО РАСПРЕДЕЛЕНИЯ (ВАРИАНТЫ) (57) Реферат: Изобретение может быть использовано в с опережением относительно среднего стопорного двигателях внутреннего сгорания. Способ для положения; при возникновении импульса двигателя содержит следующие этапы: кулачкового кручения, перемещение перемещение золотникового клапана с целью золотникового клапана в область удержания. перемещения ...

Valve timing control device

Apparatus and method of adjusting valve timing for internal combustion engine

본 발명은 캠 샤프트의 토크와 작업 유체의 압력에 의해 흡기 밸브와 배기 밸브의 적어도 하나의 밸브 타이밍을 조정하는 내연기관의 밸브타이밍 조정 장치와 그 방법을 개시한다. 본 발명의 밸브타이밍 조정장치와 방법은 로킹핀 부재를 작동하는 유압제어밸브가 로터에 내장되고, 유압제어밸브가 엔진의 비상ㄹ정지나 시동및 정상작동의 운전상태에 따라 압력유체를 공급하거나 배출하도록 다양한 제어위치를 갖도록 구성하여, 유로를 통한 작업유체 손실이 적어 응답성이 정확하고 신뢰도 높게 로킹 및 해제작동을 구현하고 밸브 타이밍을 조정하여 엔진성능을 향상할 수 있게 된다.

Valve timing adjuster

A valve timing adjuster includes a first rotor, a second rotor, a control valve, and a lock mechanism. The lock mechanism includes a retard limitation pin and an advance limitation pin, each of which is provided to the second rotor. The lock mechanism includes a retard limitation groove and an advance limitation groove, each of which is formed to the first rotor. The retard limitation groove and the advance limitation groove are designed to limit the displacement of the retard limitation pin in the retard direction and simultaneously limit the displacement of the advance limitation pin in the advance direction in order to lock the first rotor and the second rotor. The valve timing adjuster alternately increases the oil pressure in the retard chamber and the oil pressure in the advance chamber when the lock of the first and second rotors is released.

Valve timing control apparatus

A valve timing control apparatus for a valve timing adjusting unit that adjusts valve timing of an engine. The control apparatus learns a reference position. The control apparatus computes an actual phase based on the learned reference position. The control apparatus computes a target phase based on an engine operational state. The control apparatus controls a hydraulic actuator to perform a phase control based on a difference between the target phase and the actual phase. The control apparatus determines whether the lock mechanism is under an abnormal state. When the control apparatus determines that the lock mechanism is under the abnormal state, the control apparatus is prohibited from performing the phase control that uses the reference position.

Valve timing control apparatus and valve timing control mechanism

A valve timing control apparatus includes a partitioning portion in a driven-side rotary member for partitioning the fluid pressure chamber into an advance angle chamber and a retard angle chamber, a restricting member in the driven-side rotary member and projectable and retractable relative to a driving-side rotary member, a restricting recess in the driving-side rotary member and restricting a relative rotational phase to a predetermined range in association with projection of the restricting member therein, a locking member disposed in the driven-side rotary member and projectable and retractable relative to the driving-side rotary member, a locking recess formed in the driving-side rotary member and locking the relative rotational phase to the predetermined phase in association with projection of the locking member therein, a communication passage formed between the restricting member and the locking member, and an urging passage for feeding fluid for projecting the restricting member into the restricting recess.

Valve timing control apparatus

A valve timing control apparatus includes a driving-side rotary body, a driven-side rotary body, a fluid pressure chamber partitioned into a retard angle chamber and an advance angle chamber by a partitioning portion provided in at least one of the driving-side rotary body and the driven-side rotary body, a fluid control mechanism for controlling feeding of working fluid from a working fluid pump for feeding the working fluid to the fluid pressure chamber and controlling also discharging of the working fluid from the fluid pressure chamber, a first lock mechanism capable of restraining a relative rotational phase to a first predetermined phase between a most retarded angle phase and a most advanced angle phase, and a second lock mechanism capable of restraining the relative rotational phase to a second predetermined phase different from the first predetermined phase.