[특허]Flow control valve with two stage pintel and concentric valve seats

Delphi Technologies, Inc.

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Flow control valve with two stage pintel and concentric valve seats

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-001/52 F16K-001/32
미국특허분류(USC)	137/630.22; 137/599.16; 137/601.01
출원번호	US-0056314 (2005-02-11)
등록번호	US-7383860 (2008-06-10)
발명자 / 주소	Haines,Joshua M.
출원인 / 주소	Delphi Technologies, Inc.
대리인 / 주소	Marshall,Paul L.
인용정보	피인용 횟수 : 1 인용 특허 : 4

초록

A high resolution flow valve may comprise a first stage valve for allowing a first flow through the flow valve and a second stage valve located concentrically within the first stage valve and also connected to the inlet for allowing an additional second flow through the flow valve.

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The invention claimed is: 1. A flow valve for gases or liquids comprising: a first stage valve seat located on a flow aperture; a mount located radially inward from the first valve seat within the aperture, wherein the mount defines a single contiguous first passage connected in parallel with and concentric to a single contiguous second passage; a first stage pintel sized to interface with the first stage valve seat, wherein the first stage pintel is structured to adjustably increase, decrease or stop the flow of gasses or liquids through the first passage, the first stage pintel further structured to be selectively positioned at a location intermediate of its fully opened and fully closed positions; a second stage pintel located concentrically with the first stage pintel wherein the second stage pintel has a smaller diameter than the first stage pintel and is structured to adjustably increase, decrease or stop the flow of gasses or liquids through the second passage, the second stage pintel further structured to be selectively positioned at a location intermediate of its fully opened and fully closed positions; and control means for adjustably controlling the first and second stage pintels to adjustably increase or decrease the flow of gases or liquids through each of the first and second passages to provide a desired flow of gasses or liquids through the flow valve. 2. The flow valve of claim 1 further comprising: a single motor for actuating an actuator to control movement of at least one of the stages. 3. The flow valve of claim 1 wherein a one piece housing encloses the valve. 4. The flow valve of claim 1 wherein the second stage pintel is located within a cavity formed in the first stage pintel. 5. The flow valve of claim 1 wherein the second stage pintel is moveable and resiliently biased away from the first stage pintel by a spring. 6. The flow valve of claim 1 wherein the second stage pintel is formed of a smaller diameter section of the first stage pintel. 7. The flow valve of claim 1 wherein the second stage pintel contacts a second stage valve seat to stop flow through the second passage formed in the mount. 8. The flow valve of claim 1 wherein the second stage pintel slides within the mount to stop flow through the second passage. 9. The second stage pintel of claim 8 wherein a seal is provided on the outside diameter of said second pintel stage. 10. The flow valve of claim 1 wherein a second stage valve seat is located on the mount within the aperture. 11. The flow valve of claim 1 wherein the second stage valve seat is mounted within the aperture. 12. A high resolution flow valve for gases or liquids comprising: a housing; a single inlet; a first stage valve connected to the inlet for controlling a first flow through a single contiguous first passage, wherein the first stage valve is structured to adjustably increase, decrease or stop the flow of gasses or liquids, the first stage valve further structured to be selectively positioned at a location intermediate of its fully opened and fully closed positions; a second stage valve located concentrically within the first stage valve and also connected to the inlet for controlling an additional second flow through a single contiguous second passage fixed with respect to the housing and concentrically surrounded by the first passage, wherein the second stage valve is structured to adjustably increase, decrease or stop the flow of gasses or liquids, the second stage valve further structured to be selectively positioned at a location intermediate of its fully opened and fully closed positions; a single outlet connected to the first and second stage valve; and control means for adjustably controlling the first and second stage valves to adjustably increase or decrease the flow of gases or liquids through each of the first and second passages to provide a desired flow of gasses or liquids through the flow valve. 13. A method for controlling flow of gases or liquids through a valve with high resolution comprising: sending flow through a single inlet located in a housing; sending the flow next through a first chamber located within the housing; sending the flow to an aperture located in the housing that connects the first chamber to a second chamber; adjusting the flow at the aperture in two stages via an actuatable valve member structured to adjustably increase, decrease, or prevent flow through the aperture by actuating a two stage pintel arrangement wherein a first pintel is initially adjusted for providing a desired flow through a single contiguous first passage as a first stage and wherein a second pintel located concentrically with the first pintel and having a smaller diameter than the first pintel is subsequently adjusted for providing a desired flow through a single contiguous second passage as a second stage, wherein the first passage is connected in parallel with and concentrically surrounds the second passage; and sending the flow next through a single outlet located in the housing and connected to the second chamber. 14. The method of claim 13 further comprising: locating the second pintel within a cavity of the first pintel wherein said second pintel is moveable and resiliently biased away from the first pintel by a spring. 15. The method of claim 13 further comprising: forming the second pintel to be structurally integral with the first pintel and forming the second pintel to be moveable within said second passage to regulate flow through the second passage.

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 1

Lecea,Oscar A.; Wingeier,Elwood W.; Ciosek,James M.; Goulette,David A.. Diverter valve. USP2009017473484.

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Flow control valve with two stage pintel and concentric valve seats

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Flow control valve with two stage pintel and concentric valve seats

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이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 1

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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