A clean dumbwaiter maintaining cleanliness in a cleaning space according to the present invention, which is provided to move up and down in an elevation frame communicating with a logistic entrance provided at each floor of a facility to move logistics between floors in the facility including the cleaning space, comprises: a car box formed with an accommodation space, in which a predetermined logistic product is accommodated, and having a perforated hole, through which air of the accommodation space is discharged, formed in at least a portion thereof; a fan filter unit provided in the car box to introduce outside air into the accommodation space; and a purification filter for filtering pollutants included in the air flowing into the accommodation space by the fan filter unit. According to the present invention, by forming the perforated hole for discharging the air of the accommodation space inside the car box and including the fan filter unit and the purification filter, which can purify the air supplied to the accommodation space, it is possible to prevent the pollutants including dust generated during operation to maintain the cleaning state such that the facility provided with the cleaning space may also be applied to the cleaning maintenance system to constantly maintain the cleaning state.

    본 발명에 따른 청정공간 내 청정도가 유지되는 클린 덤웨이터는, 청정공간을 포함하는 시설 내 층간 물류 이동을 위해, 시설의 각 층에 마련된 물류출입구를 연통시키는 승강프레임 내에서 상하 이동 가능하게 구비되는 덤웨이터에 있어서, 내부에 소정의 물류품이 수용되는 수용공간이 형성되며, 적어도 일부에 상기 수용공간의 공기가 외부로 배출되는 타공홀이 형성된 카 박스, 상기 카 박스에 구비되어 외부 공기를 상기 수용공간 내측으로 유입시키는 팬 필터유닛 및 상기 팬 필터유닛에 의해 상기 수용공간 내측으로 유입되는 공기에 포함된 오염물질을 필터링하는 정화필터를 포함한다.


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    Title :

    Clean Dumbwaiter That Maintains Cleanliness and a Clean Maintenance System Including the Same


    Additional title:

    청정도가 유지되는 클린 덤웨이터 및 이를 포함하는 청정 유지 시스템


    Contributors:

    Publication date :

    2023-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



    Dumbwaiter System

    OH MIN KYUNG / OH SEUNG YEOP | European Patent Office | 2015

    Free access

    Maintaining the Cleanliness of Clean Parts

    Oliveri, F. T. / Libby, R. C. | SAE Technical Papers | 1967