[특허]Liquid vacuuming and filtering device and method

Exair Corporation

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특허 상세정보

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Liquid vacuuming and filtering device and method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-037/00 B01D-029/27 B01D-029/88
미국특허분류(USC)	210/767; 210/808; 210/232; 210/239; 210/406; 210/416.1; 210/419; 210/420; 210/424
출원번호	US-0442336 (2012-04-09)
등록번호	US-8268179 (2012-09-18)
발명자 / 주소	Peters, Bryan
출원인 / 주소	Exair Corporation
대리인 / 주소	Thompson Hine L.L.P.
인용정보	피인용 횟수 : 5 인용 특허 : 93

초록
▼

A liquid vacuuming and filtering device may include a container having a sealed interior, a vacuum pump connected to the interior, a two-way valve connected to the interior, a flexible hose connected to the valve, a filter positioned within the interior and connected to the valve and a standpipe positioned within the interior and connected to the valve. The pump may be adjusted to a filling configuration, in which the pump evacuates the container interior to a pressure below ambient, causing fluid to be drawn through the hose, valve, and filter, which collects suspended particulates; or to a discharge configuration, in which the pump pressurizes the interior to a pressure above ambient, wherein the valve is adjusted to allow filtered fluid within the container to flow through the standpipe, valve and out through the hose.

대표
청구항
▼

1. A method for filtering a fluid containing contaminants comprising: adjusting a valve to a first position to form a first fluid channel from a hose connected thereto, through said valve, and to a filter in fluid communication with a container;actuating a pump to a filling mode to cause said fluid containing contaminants to flow through said first fluid channel into said container;filtering said fluid containing contaminants by collecting said contaminants in said filter and collecting filtered fluid therefrom in said container;adjusting said valve to a second position to form a second fluid channel from said filtered fluid in said container, through said valve and through said hose; andactuating said pump to a discharge mode to cause said filtered fluid to flow through said second fluid channel, whereby said filtered fluid is conveyed from said container, through said valve and out of said container through said hose. 2. The method of claim 1 wherein said step of adjusting said valve to said first position includes forming said first fluid channel to said filter positioned in an interior of said container. 3. The method of claim 1 wherein said step of adjusting said valve to said first position includes forming said first fluid channel to said filter in fluid communication with said container, wherein said container is substantially sealed from the ambient. 4. The method of claim 1 wherein said step of actuating said pump to said filling mode includes actuating said pump to evacuate an interior of said container to a pressure below ambient, whereby said fluid containing contaminants is drawn through said first fluid channel to said interior of said container. 5. The method of claim 1 wherein said step of actuating said pump to said discharge mode includes actuating said pump to pressurize an interior of said container to a pressure above ambient, whereby said filtered fluid is forced through said second fluid channel from said container through said valve and said hose. 6. The method of claim 1 wherein said step of actuating said pump to said filling mode includes actuating a vacuum pump to said filling mode; and actuating said pump to said discharge mode includes actuating said vacuum pump to said discharge mode. 7. The method of claim 1 wherein said step of filtering said fluid containing contaminants includes collecting particulate contaminants in said filter from said fluid containing contaminants. 8. The method of claim 1 further comprising stopping said pump prior to adjusting said valve to said first position and actuating said pump to said filling mode. 9. The method of claim 3 further comprising stopping said pump prior to adjusting said valve to said second position and actuating said pump to said discharge mode. 10. The method of claim 1 wherein said step of adjusting said valve to said second position includes forming said second fluid channel through a standpipe located in said container, through said valve and through said hose. 11. The method of claim 1 wherein said pump comprises a compressed air pump. 12. The method of claim 11 wherein said compressed air pump is connected to a source of compressed air. 13. The method of claim 12 wherein said step of actuating said pump to said filling mode and actuating said pump to said discharge mode each includes adjusting a shut off valve to a closed configuration in which compressed air is shut off from said compressed air pump. 14. The method of claim 1 further comprising placing an end of said hose in a container of said fluid containing particulate material. 15. The method of claim 1 wherein said step of filtering said fluid containing contaminants includes filtering said fluid containing contaminants through a filter bag having an internal cavity sealed from said interior and in fluid communication with said valve, wherein said particulates are collected in said internal cavity. 16. A method for filtering a fluid containing contaminants comprising: adjusting a valve to a first position to form a first fluid channel from a hose connected thereto, through said valve, and to a filter in an interior of a substantially air-tight container;actuating a pump to a filling mode to cause said interior of said container to be pressurized below ambient pressure to cause fluid containing contaminants to flow through said first fluid channel into said interior of said container;filtering said fluid containing contaminants by collecting said contaminants in said filter and collecting filtered fluid therefrom in said interior of said container;adjusting said valve to a second position to form a second fluid channel from said filtered fluid in said interior of said container, through said valve and through said hose; andactuating said pump to a discharge mode to cause said interior of said container to be pressurized above ambient pressure to cause filtered fluid in said interior of said container to flow through said second fluid channel, whereby said filtered fluid is conveyed from said interior of said container, through said valve and out of said container through said hose. 17. The method of claim 16 wherein said steps of actuating said pump to said filling mode and actuating said pump to said discharge mode each includes actuating a vacuum pump. 18. The method of claim 16 wherein said step of filtering said fluid containing contaminants includes filtering said fluid containing contaminants through one of a porous filter bag and a mesh filter made of metal. 19. The method of claim 16 wherein said step of adjusting said valve to said second position includes shutting off operation of said pump. 20. The method of claim 16 wherein said step of adjusting said valve to said first position includes shutting off operation of said pump.

이 특허에 인용된 특허 (93)

이 특허를 인용한 특허 피인용횟수: 5

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특허 상세정보

Liquid vacuuming and filtering device and method

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이 특허를 인용한 특허 피인용횟수: 5

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Liquid vacuuming and filtering device and method

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이 특허에 인용된 특허 (93)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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