To provide a vehicular transmission which enables improvement of rigidity of a transmission case around an opening to achieve reduction of vibration of the transmission case and easily inhibit occurrence of noise caused by the vibration.SOLUTION: A front case 6 of a transmission 2 has: a partition wall 6B located at the inner side of a seal part 6S, integrally provided with an upper wall 6U, and partitioning a gear housing chamber 20 of a transmission case 4 from an internal space 9S of a shift case 9; and a partition wall 32 which rotatably supports an input shaft 21 and partitions an interior of the transmission case 4 into a clutch housing chamber 39 and the gear housing chamber 20. An opening 6u is formed at the partition wall 6B at the inner side of the seal part 6S, and an upper part of the partition wall 32 is connected to the partition wall 6B. A space of the shift case 9 located above the partition wall 6B communicates with the outside to form a breather chamber 37 which maintains pressure of the gear housing chamber 20 at the atmospheric pressure.SELECTED DRAWING: Figure 3

    【課題】開口周辺の変速機ケースの剛性を高くして、変速機ケースの振動を低減でき、振動に起因する騒音の発生を容易に抑制できる車両用変速機を提供すること。【解決手段】変速機2のフロントケース6は、シール部6Sの内方に位置して上壁6Uと一体に設けられ、変速機ケース4のギヤ収容室20とシフトケース9の内部の空間9Sとを仕切る仕切壁6Bと、入力軸21を回転自在に支持し、変速機ケース4の内部をクラッチ収容室39とギヤ収容室20とに仕切る隔壁32とを有する。シール部6Sの内方において仕切壁6Bには開口6uが形成されており、隔壁32の上部は、仕切壁6Bに連結されている。シフトケース9は、仕切壁6Bよりも上方の空間が外部に連通されることにより、ギヤ収容室20の圧力を大気圧に維持するブリーザ室37を構成している。【選択図】図3


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    Title :

    VEHICULAR TRANSMISSION


    Additional title:

    車両用変速機


    Contributors:

    Publication date :

    2020-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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



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