To provide a hybrid transmission for a railway work vehicle suitable for miniaturization and cost reduction.SOLUTION: A transmission 10 is provided with a hydraulic clutch in each of a power input path 14 for inputting power from a prime mover 12 and a power transmission path 28 for transmitting power to and from a motor 30, and can switch power for driving a vehicle. The transmission has a gear pump 26 that operates with the operation of the prime mover 12, and an electric pump 62 that is provided in the vehicle and operates with electric power. When performing power transmission through the power input path 14, a hydraulic fluid is supplied from the gear pump 26 to the hydraulic clutch. When power is input via the power transmission path 28, the hydraulic oil is supplied from the electric pump 62 to the hydraulic clutch.SELECTED DRAWING: Figure 2

    【課題】小型化、および低価格化に適したハイブリッド型の鉄道作業車用トランスミッションを提供する。【解決手段】原動機12からの動力を入力する動力入力経路14と、モータ30との間で動力の伝達を行う動力伝達経路28とのそれぞれに、油圧クラッチを備え、車両を駆動させる動力の切替を可能とするトランスミッション10であって、原動機12の稼働に伴って稼働するギアポンプ26と、前記車両に備えられ、電力により稼働する電動ポンプ62と、を有し、動力入力経路14を介した動力伝達を行う場合には、前記油圧クラッチに対してギアポンプ26から作動油を供給し、動力伝達経路28を介した動力の入力を行う場合には、前記油圧クラッチに対して電動ポンプ62から作動油を供給する構成としたことを特徴とする。【選択図】図2


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    Title :

    TRANSMISSION FOR RAILWAY WORK VEHICLE


    Additional title:

    鉄道作業車用トランスミッション


    Contributors:

    Publication date :

    2020-01-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61C Lokomotiven , LOCOMOTIVES / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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