[특허]Draw-down cyclonic vaccum cleaner

Draw-down cyclonic vaccum cleaner 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47L-009/10 B01D-045/12
출원번호	US-0978445 (1992-11-18)
발명자 / 주소	Finke Eugene W. (Wilmington OH)
출원인 / 주소	NuTone, Inc. (Cincinnati OH 02)
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 near the bottom wall of the receptacle. The outlet may be connected to a suction source to produce negative pressure within the receptacle so air entering the air inlet downwardly spirals about the air flow producing structure and a particulate within the air flow is removed by the filter. The downwardly spiralling air flow compacts the removed particulate atop the filter to create a further filter effect on the air flow. The air is exhausted from the receptacle through the outlet. The compaction of the removed particulate increases the capacity of the receptacle, and substantially reduces the disturbance of the air flow when the top wall is removed for emptying the receptacle.

대표청구항 ▼

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 opposed to said first opening in said side wall and separates said first opening from said top wall, said lower section of said air flow producing means being proximate said bottom wall of said receptacle; a filter positioned within a portion of said volume outside said air flow producing means so that said filter is interposed between said first opening in said side wall and said bottom wall, said filter substantially spanning said portion of said volume from said side wall to said air flow producing means so that along the length of the filter, the filter is substantially separate from the downwardly spiralling air flow producing means; and a second opening in said receptacle, said second opening being located below said filter and adapted for connection to a vacuum producing means for exhausting the filtered air whereby said vacuum producing means creates subatmospheric air pressure in said volume within said receptacle which pulls air into said receptacle through said first opening, said air tangentially strikes and downwardly spirals around said imperforate exterior surface of said downwardly spiralling air flow producing means, passes through said filter, and exhausts said receptacle through said second opening so that particulate in said air entering through said first opening is removed by said filter and the removed particulate is compacted atop said filter by said air flow downwardly spiralling about said imperforate exterior surface of said air flow producing means.

이 특허를 인용한 특허 (65)

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Coates, Donald A.; Blate, Steven W., Dirt collecting system for a floor care appliance.
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Oh, Jang-keun; Kim, Min-ha, Multi-cyclone dust separating apparatus having a filter assembly.
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Green Michael,GBX, Separation device for a vacuum cleaner.
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Korin, Amos, System for cleaning air and method for using same.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic air flow.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic air flow.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic air flow.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic air flow.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic air flow.
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Bair, Kenneth W.; Gibbs, Richard C.; Reindle, Mark E.; Wright, Michael F., Upright vacuum cleaner with cyclonic airflow.
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Michael F. Wright ; Charles J. Thur ; Brett Latimer ; Paul D. Stephens ; Mark E. Cipolla ; Craig J. Barbeck, Upright vacuum cleaner with cyclonic airflow.
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Wright Michael F. ; Thur Charles J. ; Latimer Brett ; Stephens Paul D. ; Cipolla Mark E. ; Barbeck Craig J., Upright vacuum cleaner with cyclonic airflow.
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Wright, Michael F.; Thur, Charles J.; Latimer, Brett; Stephens, Paul D.; Cipolla, Mark E.; Barbeck, Craig J., Upright vacuum cleaner with cyclonic airflow.
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Wright, Michael F.; Thur, Charles J.; Latimer, Brett; Stephens, Paul D.; Cipolla, Mark E.; Barbeck, Craig J., Upright vacuum cleaner with cyclonic airflow.
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Wright,Michael F.; Thur,Charles J.; Latimer,Brett; Stephens,Paul D.; Cipolla,Mark E.; Barbeck,Craig J., Upright vacuum cleaner with cyclonic airflow.
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Wright,Michael F.; Thur,Charles J.; Latimer,Brett; Stephens,Paul D.; Cipolla,Mark E.; Barbeck,Craig J., Upright vacuum cleaner with cyclonic airflow.
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Conrad Wayne Ernest,CAX ; Conrad Helmut Gerhard,CAX, Vacuum cleaner.
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Wayne Ernest Conrad CA; Helmut Gerhard Conrad CA, Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein.
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Vander Baan,Gabriel S.; Kasper,Gary A., Vacuum cleaner with cyclonic separation.
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Steven E. Masters, Vortex particle separator.
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Draw-down cyclonic vaccum cleaner 원문보기

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