PROBLEM TO BE SOLVED: To form three oil passages communicating with a hydraulic actuator with two selector valves.SOLUTION: A hydraulic pressure control circuit of a power transmission device includes a first selector valve 100 which has a first port connected to a hydraulic actuator 64 and a second selector valve 102 which has a first port connected to a second port of the first selector valve, and includes a common first solenoid valve 104 which supplies selection oil pressure to the first selector valve and second selector valve and a second solenoid valve 66 which governs oil pressure supplied to the hydraulic actuator as control oil pressure. The second solenoid valve supplies the control oil pressure to the hydraulic actuator through any one of a third port of the first selector valve, a second port of the second selector valve, and a third port of the second selector valve, and the selection oil pressure is supplied from the second solenoid valve to at least one of the first selector valve and second selector valve so as to cause three passages to communicate with the hydraulic actuator.

    【課題】2つの切替弁によって油圧アクチュエータへ連通する3つの油路を形成する。【解決手段】第1ポートが油圧アクチュエータ64に接続された第1切替弁100と、第1切替弁の第2ポートに第1ポートが接続された第2切替弁102とを備え、第1切替弁と第2切替弁に切替油圧を供給する共通の第1ソレノイド弁104と、油圧アクチュエータへ供給される油圧を制御油圧として調圧する第2ソレノイド弁66とを備え、第2ソレノイド弁は、第1切替弁の第3ポートと第2切替弁の第2ポートと第2切替弁の第3ポートのうちいずれか一つを介して油圧アクチュエータへ制御油圧を供給し、第2ソレノイド弁から第1切替弁と第2切替弁の少なくとも一方に切替油圧を供給することで、油圧アクチュエータに3つの油路を連通させる。【選択図】図3


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    Titel :

    HYDRAULIC PRESSURE CONTROL CIRCUIT OF POWER TRANSMISSION DEVICE


    Weitere Titelangaben:

    動力伝達装置の油圧制御回路


    Beteiligte:
    KUWABARA SEIJI (Autor:in) / SUGIMURA TOSHIO (Autor:in) / TSUTSUMI TAKAHIKO (Autor:in) / YOSHIKAWA MASAHITO (Autor:in) / MINAMIKAWA KOKI (Autor:in) / NAKANISHI NAOKI (Autor:in)

    Erscheinungsdatum :

    02.07.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16K VALVES , Ventile / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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