发明申请
- 专利标题: Fuel Injection Valve And Method Of Actuating
- 专利标题(中): 燃油喷射阀及其执行方法
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申请号: US14578000申请日: 2014-12-19
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公开(公告)号: US20150115055A1公开(公告)日: 2015-04-30
- 发明人: David R. Wager , Gordon P. McTaggart-Cowan , David K. Mumford , Sandeep Munshi
- 申请人: Westport Power Inc.
- 优先权: CA2780864 20120621
- 主分类号: F02D19/02
- IPC分类号: F02D19/02 ; F02M51/06 ; F02M43/04
摘要:
A fuel injection valve injects a fuel into the combustion chamber or into the injection port of an internal combustion engine, the valve being actuated by an actuator assembly that includes a small displacement actuator and a large displacement actuator. The method includes commanding the small displacement actuator to move the valve member to a first open position corresponding to a first flow area and commanding the large displacement actuator to move the valve member to a second open position corresponding to a second flow area that is larger than the first flow area such that the ratio between the second flow area and the first flow area is at least 15:1. The fuel injection valve can also be operated to alternatively inject two different fuels, one of the fuels being a gaseous fuel and the other one being a liquid fuel.
公开/授权文献
- US09366195B2 Fuel injection valve and method of actuating 公开/授权日:2016-06-14
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