To provide a vacuum pump capable of preventing reliability of flood prevention countermeasures from being impaired even in a severe use environment.SOLUTION: A vacuum pump 1 comprises: a pump chamber 10; a silencing chamber 20 having a gas inlet 22 into which gas discharged from the pump chamber 10 flows; a check valve 60 provided in the silencing chamber 20 and capable of closing the gas inlet 22 of the silencing chamber 20 when the vacuum pump 1 is stopped; and an exhaust port 30 that communicates with the silencing chamber 20 and is open to the atmosphere.SELECTED DRAWING: Figure 1

    【課題】過酷な使用環境であっても浸水対策の信頼性を損なわないバキュームポンプを提供する。【解決手段】バキュームポンプ1は、ポンプ室10と、ポンプ室10から吐出された気体が流入する気体入口22を有する消音室20と、消音室20内に設けられ、バキュームポンプ1の停止時に消音室20の気体入口22を閉塞可能な逆止弁60と、消音室20に連通し大気開放された排気口30と、を備える。【選択図】図1


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    Title :

    VACUUM PUMP


    Additional title:

    バキュームポンプ


    Contributors:

    Publication date :

    2024-02-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS , Rotationskolben- oder Schwenkkolbenmaschinen [Kraft- und Arbeitsmaschinen] für Flüssigkeiten / F16K VALVES , Ventile



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