The present invention provides a pneumatic pump which is applied to a pneumatic control system of a seat and has a check valve structure for air intake into and discharge from a pumping piston. In the check valve structure, an inlet check valve and an outlet check valve are integrated. To this end, provided in one embodiment of the present invention is an integrated check valve including an intake valve having a first cut portion and a concave intake groove on the lower side of the first cut portion and a discharge valve having a second cut portion and a concave discharge groove on the upper side of the second cut portion.

    본 발명에서는 시트의 공압 조절 시스템에 적용되는 공압 펌프에서 펌핑 피스톤 내로의 흡기 및 배기를 위한 체크 밸브 구조로, 인렛 체크 밸브와 아웃렛 체크 밸브가 일체화된 구조의 공압 펌프를 제공한다.


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    Title :

    INTEGRAL CHECK VALVE AND PNEUMATIC PUMP FOR SEAT CUSHION INCLUDING THE SAME


    Additional title:

    일체형 체크 밸브 및 이를 포함하는 시트 공압 펌프


    Contributors:

    Publication date :

    2020-05-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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