To provide a negative pressure generation device for vehicle capable of letting a negative pressure device suitably generate negative pressure while suppressing a load on an engine.SOLUTION: A negative pressure generation device for vehicle comprises a communication passage 11 which connects a negative pressure device 50 and an intake passage 63 of an engine 60 together, a negative pressure pump 12 which operates by the engine 60 as a power source to let the negative pressure device 50 generate negative pressure, and a clutch device 13 which intermittently disconnects the engine 60 and the negative pressure pump 12, and is so configured that the clutch device 13 connects the engine 60 and negative pressure pump 12 when a rotating speed of the engine 60 is equal to or lower than a first rotating speed, and disconnects the engine 60 and negative pressure pump 12 when the rotating speed of the engine 60 is higher than the first rotating speed.SELECTED DRAWING: Figure 1

    【課題】エンジンに対する負荷を抑制しつつ負圧装置に負圧を適切に発生させることができる車両の負圧発生装置を提供する。【解決手段】負圧装置50とエンジン60の吸気通路63とを接続する連通路11と、エンジン60を動力源として作動して負圧装置50に負圧を発生させる負圧ポンプ12と、エンジン60と負圧ポンプ12とを断続するクラッチ装置13と、を備え、クラッチ装置13が、エンジン60の回転数が第1の回転数以下である場合にエンジン60と負圧ポンプ12とを接続し、エンジン60の回転数が第1の回転数よりも高い場合にエンジン60と負圧ポンプ12とを切断するように構成する。【選択図】図1


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    Titel :

    NEGATIVE PRESSURE GENERATION DEVICE FOR VEHICLE


    Weitere Titelangaben:

    車両の負圧発生装置


    Beteiligte:

    Erscheinungsdatum :

    17.01.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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