[특허]Regulated vacuum off-gassing of gas filter for fluid processing system and related methods

Regulated vacuum off-gassing of gas filter for fluid processing system and related methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-005/00 C12M-001/00 B01D-046/00 B01D-046/44 B01D-019/00 B01D-053/26 C12M-001/34 C12M-001/36
출원번호	US-0249781 (2016-08-29)
등록번호	US-10059916 (2018-08-28)
발명자 / 주소	Jones, Nephi D. Brau, Christopher D.
출원인 / 주소	Life Technologies Corporation
대리인 / 주소	Workman Nydegger
인용정보	피인용 횟수 : 0 인용 특허 : 55

초록 ▼

A method for filtering a gas includes delivering a gas into a compartment of a gas filter, the compartment being at least partially bounded by a casing comprised of a flexible sheet of polymeric film. A partial vacuum is applied to the gas filter so that the partial vacuum assists in drawing the gas

대표청구항 ▼

1. A method for filtering a gas, the method comprising: delivering a gas into a compartment of a gas filter assembly, the compartment being at least partially bounded by a casing comprised of a flexible sheet of polymeric film; andapplying a partial vacuum to the gas filter assembly so that the partial vacuum assists in drawing the gas through a porous filter body of the gas filter assembly that is at least partially disposed within the compartment of the gas filter assembly. 2. The method for filtering as recited in claim 1, further comprising sparging the gas through a liquid within a compartment of a container prior to delivering the gas into the compartment of the gas filter assembly. 3. The method for filtering as recited in claim 2, wherein the container comprises a flexible, collapsible bag. 4. The method for filtering as recited in claim 1, further comprising automatically regulating the application of the partial vacuum based on a pressure reading of the gas upstream of the gas filter assembly. 5. The method for filtering as recited in claim 2, further comprising regulating the application of the partial vacuum based on a sensed value for gas pressure within the container. 6. The method for filtering as recited in claim 2, wherein the liquid comprises a culture that includes media and cells or microorganisms suspended therein and the container comprises a bioreactor. 7. The method for filtering as recited in claim 1, further comprising passing gas through a condenser assembly to remove moisture from the gas prior to delivering the gas into the compartment of the gas filter assembly. 8. The method for filtering as recited in claim 7, wherein the condenser assembly comprises a flexible bag through which the gas is passed. 9. The method for filtering as recited in claim 2, wherein the filter body of the gas filter assembly has a pore size of 0.22 micometers (μm) or smaller. 10. The method for filtering as recited in claim 1, further comprising maintaining a pressure differential between a gas intake port of the gas filter assembly and a gas exhaust port of the gas filter assembly in a range between 0.5 kPa and 50 kPa, the gas exhaust port having the partial vacuum applied thereto. 11. The method for filtering as recited in claim 1, further comprising activating a heating element secured to the gas filter assembly to heat the gas passing through the gas filter assembly. 12. The method for filtering as recited in claim 1, wherein the casing of the gas filter assembly comprises a flexible, collapsible bag. 13. A system for filtering a gas comprising: a container having a compartment configured to hold a liquid;a first gas filter assembly coupled with the container so that a gas can pass from the compartment of the container to the first gas filter assembly, the first gas filter assembly comprising: a casing comprised of a flexible polymeric film bounding a compartment; anda first filter body being at least partially disposed within the compartment of the casing; anda first vacuum pump coupled with the first gas filter assembly so that when the first vacuum pump is activated a partial vacuum is produced that assists in drawing gas from the container through the first gas filter assembly. 14. The system as recited in claim 13, wherein the container comprises a flexible, collapsible bag. 15. The system as recited in claim 13, wherein the casing of the first gas filter assembly comprises a flexible, collapsible bag. 16. The system as recited in claim 13, further comprising: a pressure sensor positioned to sense a gas pressure within the compartment of the container; anda computer processor in electrical communication with the pressure sensor and the first vacuum pump. 17. The system as recited in claim 13, further comprising: a pressure sensor positioned to sense a gas pressure within the compartment of the container;a control valve disposed in fluid communication between the first gas filter assembly and the first vacuum pump; anda computer processor in electrical communication with the pressure sensor and the control valve. 18. The system as recited in claim 13, further comprising a second vacuum pump coupled with the first gas filter assembly. 19. The system as recited in claim 13, further comprising a condenser assembly coupled with the container so that gas passing from the container to the first gas filter assembly passes through the condenser assembly, the condenser assembly comprising: a condenser bag coupled with the container and the first gas filter assembly; anda condenser panel disposed adjacent to the condenser bag and coupled with a chiller. 20. The system as recited in claim 13, wherein the first filter body has a pore size of 0.22 micometers (μm) or smaller.

이 특허에 인용된 특허 (55)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Regulated vacuum off-gassing of gas filter for fluid processing system and related methods 원문보기

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Regulated vacuum off-gassing of gas filter for fluid processing system and related methods 원문보기

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