[특허]Humidifier with dual float valves

Humidifier with dual float valves 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-016/14 A61M-016/16 A61M-016/18 A61M-016/20
출원번호	US-0125599 (1993-09-23)
우선권정보	NZ-0244454 (1992-09-23)
발명자 / 주소	Sims David J. (Auckland NZX)
출원인 / 주소	Fisher & Paykel Limited (Auckland NZX 03)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A humidification chamber for a respiratory humidifier water is maintained by the use of floats which actuate valves to control the passage of water through a water inlet. Two floats are each provided with actuating mechanisms to separately control the respective valve members. The separate valve members are covered by an elastomeric moulding which couples the valve members and provides a seal. The valves are co-axially aligned and the system provides improved safety by allowing for reliable operation in the case where one of the floats fails. An alternative embodiment of the dual valve construction is also disclosed.

대표청구항 ▼

A float valve system for controlling the level of liquid in a chamber comprising: a valve body having an inlet for coupling to a liquid supply conduit and an outlet adapted to communicate with said chamber, a first valve seat formed in said body through which liquid must pass to reach said outlet, a second valve seat formed in said body located downstream of said first valve seat, through which liquid must pass to reach said outlet, first and second floats adapted to be disposed within said chamber, a first valve member actuated by said first float so as to close onto said first valve seat upon the first float assuming a position corresponding to a first predetermined level of liquid in said chamber, a second valve member actuated by said second float so as to close onto said second valve seat upon the second float assuming a position corresponding to a second predetermined level of liquid in said chamber, said second predetermined level of liquid being higher than said first predetermined level of liquid, a cylindrical actuating member connected to said second valve member in order to control displacement of said second valve member in response to said second float, an inner actuating member connected to said first valve member in order to control displacement of said first valve member in response to said first float, said inner actuating member being disposed within said cylindrical actuating member, said cylindrical actuating member and said inner actuating member independently connecting said first and second floats to respective valve members, and operable to allow free relative movement between said first and second valve members.

이 특허를 인용한 특허 (65)

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Mayer, Wolfgang; Genger, Harald; Madaus, Stefan Rolf; Klopp, Andreas; Schätzl, Stefan; Vögele, Harald Wolfgang; Lang, Bernd Christoph, Apparatus for humidifying a respiratory gas.
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Mayer, Wolfgang; Genger, Harald; Madaus, Stefan; Klopp, Andreas; Schatzl, Stefan; Vögele, Harald Wolfgang; Lang, Bernd Christoph, Apparatus for humidifying a respiratory gas.
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Mayer, Wolfgang; Genger, Harald; Madaus, Stefan; Klopp, Andreas; Schatzl, Stefan; Vögele, Harald Wolfgang; Lang, Bernd Christoph, Apparatus for humidifying a respiratory gas.
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Trevor-Wilson, Duncan Lovel; Lithgow, Perry David; Virr, Alexander; Kao, Dan; Janiak, Michael Thomas; Bath, Andrew Roderick, Breathable gas apparatus with humidifier.
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Virr, Alexander; Trevor-Wilson, Duncan Lovel; Lithgow, Perry David; Kao, Dan; Janiak, Michael Thomas; Bath, Andrew Roderick, Breathable gas apparatus with humidifier.
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Cortez, Jr., Felino V.; Niland, William F.; McGarrity, George; Buyer, Carl; Miller, Kenneth; Boyd, Peter, Humidifier for breathing gas heating and humidification system.
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Bath, Andrew Roderick; Richmond, Donald Angus; Row, Nathan John; Zhu, Jianhua; Shadie, Timothy Nicholas; Huby, Ronald James; Dujmovic, Ivan Teodor, Wire heated tube with temperature control system, tube type detection, and active over temperature protection for humidifier for respiratory apparatus.
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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Humidifier with dual float valves 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (65)

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Humidifier with dual float valves 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (65)

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