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특허 상세정보

Draw-down cyclonic vaccum cleaner

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47L-009/10    B01D-045/12   
미국특허분류(USC) 55/337 ; 15/353 ; 55/4591 ; 55/DIG ; 3
출원번호 US-0978445 (1992-11-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 65  인용 특허 : 0
초록

A cyclonic vacuum cleaner for compacting dirt within a receptacle is disclosed. The vacuum cleaner includes a receptacle having a top side and bottom wall with an air inlet opening in the side wall. A frustoconical air flow structure is disposed within the receptacle to separate air entering the inlet from the top wall. A filter spanning from the side wall to the air flow producing structure is disposed within the receptacle between the air inlet and an outlet disposed within the receptacle between the air inlet and an outlet disposed in the side wall ne...

대표
청구항

A vacuum cleaning apparatus comprising: a receptacle having a side wall, a top wall and a bottom wall to define a volume therebetween; a first opening in said side wall; means for producing a downwardly spiralling air flow from air entering said receptacle through said first opening, said downwardly spiralling air flow producing means having an imperforate exterior surface, an upper section, and a lower section, said downwardly spiralling air flow producing means being stationary within said receptacle and being positioned so that said upper section is o...

이 특허를 인용한 특허 피인용횟수: 65

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