发明公开
EP2124123A2 Pressurizing and pressure regulating valve and fuel supply system employing the same
审中-公开
Druck- und Druckregelventil和Kraftstoffliefersystem damit
- 专利标题: Pressurizing and pressure regulating valve and fuel supply system employing the same
- 专利标题(中): Druck- und Druckregelventil和Kraftstoffliefersystem damit
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申请号: EP09160693.9申请日: 2009-05-19
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公开(公告)号: EP2124123A2公开(公告)日: 2009-11-25
- 发明人: Arnett, Eric
- 申请人: Honeywell International Inc.
- 申请人地址: 101 Columbia Road Morristown, NJ 07962 US
- 专利权人: Honeywell International Inc.
- 当前专利权人: Honeywell International Inc.
- 当前专利权人地址: 101 Columbia Road Morristown, NJ 07962 US
- 代理机构: Buckley, Guy Julian
- 优先权: US125791 20080522
- 主分类号: G05D16/10
- IPC分类号: G05D16/10
摘要:
A pressurizing and pressure regulating valve (12) is provided. In one embodiment, the pressurizing and pressure regulating valve includes a sleeve (14), a first flow passage (18, 24, 30) formed through the sleeve, a second flow passage (20, 26, 30) formed through the sleeve, and a piston (16) slidably disposed in the sleeve. The piston is configured to move between: (i) a pressurizing position wherein the piston impedes fluid flow through the first flow passage, and (ii) a pressure limiting position wherein the piston impedes fluid flow through the second flow passage. A sensing chamber (42) is fluidly coupled to the first flow passage and configured to receive pressurized fluid therefrom. The piston is configured to move from the pressurizing position to the pressure limiting position when the pressure within the sensing chamber exceeds a predetermined minimum pressure.
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