Upright vacuum cleaner with cyclonic air flow
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47L-009/16
A47L-009/10
B01D-045/12
출원번호
US-0130989
(2005-05-17)
발명자
/ 주소
Bair,Kenneth W.
Gibbs,Richard C.
Reindle,Mark E.
Wright,Michael F.
출원인 / 주소
Royal Appliance Mfg. Co.
대리인 / 주소
Fay, Sharpe, Fagan, Minnich &
인용정보
피인용 횟수 :
7인용 특허 :
98
초록▼
An upright vacuum cleaner (A) includes an upright housing section (B) and a nozzle section (C). A cyclonic airflow dirt and dust separating chamber (54) is defined in said upright housing section. A suction source (E) pulls air and entrained dirt, dust, and other contaminants through a main suction
An upright vacuum cleaner (A) includes an upright housing section (B) and a nozzle section (C). A cyclonic airflow dirt and dust separating chamber (54) is defined in said upright housing section. A suction source (E) pulls air and entrained dirt, dust, and other contaminants through a main suction opening (26) formed in the underside (24) of the nozzle and into the cyclonic airflow chamber (54). The cyclonic airflow chamber causes the suction airstream to travel in a cyclonic path such that the entrained contaminants are separated therefrom and deposited into a dirt container (52) that defines the chamber (54). A main filter element (K) filters residual contaminants from the suction airstream between the chamber and the suction source. The main filter element is preferably made from high-density polyethylene porous filter media. A final filter assembly (F) filters the suction airstream discharged by the suction source to ensure that the air discharged into the atmosphere is contaminant free, including those contaminants introduced into the airstream by the suction source itself.
대표청구항▼
The invention claimed is: 1. An upright vacuum cleaner comprising: an upright housing section including a handle; a nozzle base section hingedly interconnected with the upright housing section, said nozzle base section including a main suction opening formed in an underside thereof; a cyclonic airf
The invention claimed is: 1. An upright vacuum cleaner comprising: an upright housing section including a handle; a nozzle base section hingedly interconnected with the upright housing section, said nozzle base section including a main suction opening formed in an underside thereof; a cyclonic airflow chamber defined in said upright housing section for separating dust and dirt from a suction airstream, said cyclonic airflow chamber including an air inlet and air outlet; a suction source located in one of said upright housing section and said nozzle base section and having a suction airflow inlet in fluid communication with said cyclonic chamber outlet and a suction airflow outlet; a filter assembly located between said cyclonic airflow chamber and said suction source for filtering residual dust and dirt from a suction airstream as it flows through said cyclonic airflow dust and dirt separating chamber; and, a dirt cup mounted to one of said upright housing section and said nozzle base section, said cyclonic airflow chamber being at least partially defined in said dirt cup, wherein said dirt cup comprises a selectively detachable end wall and wherein said filter assembly is supported by said dirt cup. 2. The upright vacuum cleaner as set forth in claim 1 further comprising a final filter assembly located on one of said housing and said nozzle base, said final filter assembly being in fluid communication with said suction airflow outlet of said suction source for filtering said suction airstream exhausted by said suction source prior to said suction airstream being dispersed into the atmosphere. 3. The upright vacuum cleaner as set forth in claim 1 wherein said filter assembly comprises a filter element which can be selectively removed from the vacuum cleaner. 4. The upright vacuum cleaner as set forth in claim 1 wherein said suction source includes an inlet located beneath said dirt cup. 5. The upright vacuum cleaner as set forth in claim 1 wherein said cyclonic airflow chamber inlet is located on a periphery of said dirt cup and said cyclonic airflow chamber outlet is located along a longitudinal axis of said dirt cup. 6. The upright vacuum cleaner as set forth in claim 1 further comprising a second filter for filtering contaminants from said airstream exhausted from said filter assembly. 7. An upright vacuum cleaner comprising: a housing; a base having a suction opening, said base being hingedly interconnected to said housing; a suction source located in said housing and being in fluid communication with said suction opening; a dirt cup selectively mounted to said housing, said dirt cup being in fluid communication with said suction opening and said suction source; a filter member; a cyclonic flow chamber at least partially defined in said dirt cup for separating particles from an airstream flowing from said suction opening to said suction source; and, a filter support member mounted to said dirt cup for supporting said filter member. 8. The upright vacuum cleaner of claim 7, wherein said dirt cup comprises a tangential inlet opening for the airstream flowing from said suction opening and an axial outlet opening. 9. The upright vacuum cleaner of claim 8, wherein said outlet opening is located in a base wall of said dirt cup. 10. The upright vacuum cleaner of claim 9, wherein said outlet opening is centrally located in said dirt cup base wall. 11. The upright vacuum cleaner of claim 7, wherein said filter member is removable from said housing. 12. The upright vacuum cleaner of claim 7, wherein said dirt cup is located above said suction source. 13. The upright vacuum cleaner of claim 7, further comprising a final filter positioned downstream from said suction source. 14. The upright vacuum cleaner of claim 13, further comprising a plenum defined in said housing for selectively holding said final filter. 15. The upright vacuum cleaner of claim 7 wherein said filter member is removable from said filter support member. 16. An upright vacuum cleaner comprising: a base portion including a suction opening; an upright housing hingedly connected to said base portion; a suction source mounted to one of said base portion and said upright housing, said suction source being in fluid communication with said suction opening; a dirt cup selectively mounted to said upright housing, said dirt cup comprising: an open first end, a side wall, a closed second end; a lid selectively covering said open first end of said dirt cup and cooperating with said dirt cup to define a cyclonic flow chamber, wherein said chamber comprises: a tangential inlet opening, and, an axial outlet opening, wherein said inlet opening of said chamber is in fluid communication with said suction opening and said outlet opening of said chamber is in fluid communication with said suction; and, a filter supported by said dirt cup for filtering an associated airstream before it enters said suction source. 17. The upright vacuum cleaner of claim 16, further comprising a final filter positioned downstream from said suction source. 18. The vacuum cleaner of claim 16, wherein said axial outlet opening is located in said closed second end of said dirt cup. 19. The vacuum cleaner of claim 16 wherein said lid is selectively detachable from said dirt cup. 20. The upright vacuum cleaner of claim 16 wherein said filter can be selectively spaced away from said dirt cup. 21. An upright vacuum cleaner comprising: an upright housing section including a handle; a nozzle base section hingedly interconnected with the upright housing section, said nozzle base section including a main suction opening formed in an underside thereof; a dirt cup mounted to one of said upright housing section and said nozzle base section, said dirt cup comprising a selectively detachable lid; a cyclonic airflow chamber defined by said dirt cup and said lid for separating dust and dirt from a suction airstream, said cyclonic airflow chamber including an air inlet and air outlet; a suction source located in one of said upright housing section and said nozzle base section and having a suction airflow inlet in fluid communication with said cyclonic chamber outlet and a suction airflow outlet; and, a filter assembly located between said cyclonic airflow chamber and said suction source, and supported by said dirt cup, for filtering residual dust and dirt from a suction airstream as it flows through said cyclonic airflow dust and dirt separating chamber. 22. The upright vacuum cleaner as set forth in claim 21 further comprising a final filter assembly located on one of said housing and said nozzle base, said final filter assembly being in fluid communication with said suction airflow outlet of said suction source for filtering said suction airstream exhausted by said suction source prior to said suction airstream being dispersed into the atmosphere. 23. The upright vacuum cleaner as set forth in claim 21 wherein said suction source includes an inlet located beneath said dirt cup. 24. The upright vacuum cleaner as set forth in claim 21 wherein said cyclonic airflow chamber inlet is located on a periphery of said dirt cup and said cyclonic airflow chamber outlet is located along a longitudinal axis of said dirt cup. 25. The upright vacuum cleaner of claim 21 wherein said filter can be selectively spaced away from said dirt cup. 26. An upright vacuum cleaner comprising: a housing; a base having a suction opening, said base being hingedly interconnected to said housing; a suction source located in said housing and being in fluid communication with said suction opening; a dirt cup selectively mounted to said housing, said dirt cup being in fluid communication with said suction opening and said suction source; an end wall for selectively covering an open end of said dirt cup; a cyclonic flow chamber defined between said end wall and said dirt cup for separating particles from an airstream flowing from said suction opening to said suction source; and, a filter member mounted to said housing, wherein said filter member is removable from said housing with said dirt cup. 27. The upright vacuum cleaner of claim 26, wherein said filter member is removable from said housing. 28. The upright vacuum cleaner of claim 26, further comprising a final filter positioned downstream from said suction source.
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