PROBLEM TO BE SOLVED: To provide a breather device 60 having a structure that even when installed at a part easily subject to water or mud splash such as an in-wheel motor drive device, hardly allows water or mud splash to fall on suction and discharge ports of a breather pipe 62 and hardly sucks in foreign matters such as water and mud.SOLUTION: A breather device 60 adjusts internal pressure of a casing 22 for lubrication and cooling in the casing 22 and is provided with a breather pipe 62 for air intake and exhaust in a through hole in an upper part of the casing that communicates with the outside. In the breather device, an umbrella-shaped hood 63 is installed to cover the breather pipe 62 projecting to the outside of the casing 22, and a valve element 64 is provided which is formed of an elastic body, and cuts off ventilation between the inner peripheral surface of the umbrella-shaped hood 63 and the outer peripheral surface of the breather pipe 62 when no internal pressure fluctuation in the casing 22 occurs, and forms a gap for air intake and exhaust between the inner peripheral surface of the umbrella-shaped hood 63 and the outer peripheral surface of the breather pipe 62 when internal pressure fluctuation in the casing 22 occurs.SELECTED DRAWING: Figure 8

    【課題】 インホイールモータ駆動装置のように、水や泥がかかり易い部位に設置しても、ブリーザ管62の吸排気口に水や泥がかかり難く、水や泥といった異物を吸引し難い構造のブリーザ装置60を提供する。【解決手段】 ケーシング22内に潤滑や冷却のために、ケーシング22の内部圧力の調整を、ケーシング上部の外部と連通する貫通孔に、吸排気を行うブリーザ管62を設けたブリーザ装置60において、前記ケーシング22の外部に突出するブリーザ管62を覆う傘フード63を設置し、ケーシング22内の内圧変動が発生しない時は、傘フード63内周面とブリーザ管62の外周面との間の通気を遮断し、ケーシング22内の内圧変動が発生した時に、傘フード63内周面とブリーザ管63の外周面との間に吸排気用の隙間を形成する弾性体からなる弁体64を設けた。【選択図】 図8


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    Titel :

    BREATHER DEVICE


    Weitere Titelangaben:

    ブリーザ装置


    Beteiligte:

    Erscheinungsdatum :

    2016-06-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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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