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1. 发明申请

WO2016070281A1 GASEOUS FUEL PRESSURE REGULATION 审中-公开
标题翻译：气体燃料压力调节
公开(公告)号：WO2016070281A1
公开(公告)日：2016-05-12
申请号：PCT/CA2015/051145
申请日：2015-11-05
申请人： WESTPORT POWER INC.
发明人： BRIZZOLARI, Giulio , SINGH, Ashish , FRANZONI, Paolo
IPC分类号： F02M21/02 , F02M31/16 , F17C7/00
CPC分类号： F02M21/0239 , F02B43/00 , F02D19/022 , F17C7/00 , Y02T10/32
摘要： A pressure regulator that regulates gaseous fuel pressure between a storage pressure and an injection pressure for an internal combustion engine can be adversely affected when moisture in and/or around the pressure regulator freezes due to the drop in pressure. A method for reducing gaseous fuel pressure from a first pressure to a second pressure in a gaseous fuel system for an internal combustion engine comprises passively heating the gaseous fuel at the first pressure; and reducing the pressure of the heated gaseous fuel to the second pressure such that the gaseous fuel temperature at the second pressure is maintained above a first predetermined temperature and the second pressure is maintained within a first predetermined range of tolerance.
摘要翻译：当压力调节器内和/或周围的湿气由于压力下降而冻结时，可以不利地调节用于内燃机的存储压力和喷射压力之间的气体燃料压力的压力调节器。用于在用于内燃机的气体燃料系统中将气体燃料压力从第一压力降低到第二压力的方法包括在第一压力下被动地加热气体燃料; 并且将加热的气体燃料的压力降低到第二压力，使得在第二压力下的气体燃料温度保持在第一预定温度以上，并且将第二压力保持在第一预定的公差范围内。

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