发明申请
WO2015181320A1 DIRECT INJECTION ENGINE PREVENTING MALFUNCTION DUE TO THE PRESENCE OF LPG BUBBLES IN ITS FUEL SUPPLY SYSTEM
审中-公开
基本信息:
- 专利标题： DIRECT INJECTION ENGINE PREVENTING MALFUNCTION DUE TO THE PRESENCE OF LPG BUBBLES IN ITS FUEL SUPPLY SYSTEM
- 专利标题（中）：直接注射发动机由于其燃料供应系统中液化石油气的存在而防止故障
- 申请号：PCT/EP2015/061895 申请日：2015-05-28
- 公开(公告)号：WO2015181320A1 公开(公告)日：2015-12-03
- 发明人： ARÍZTEGUI CORTIJO, Javier , GUILLERMO WOLFF ELÓSEGUI, Guillermo , GUTIÉRREZ SERNA, Jaime , FÜRHAPTER, Alois
- 申请人： REPSOL, S.A. , AVL LIST GMBH
- 申请人地址： C/ Méndez Álvaro,44 E-28045 Madrid ES
- 专利权人： REPSOL, S.A.,AVL LIST GMBH
- 当前专利权人： REPSOL, S.A.,AVL LIST GMBH
- 当前专利权人地址： C/ Méndez Álvaro,44 E-28045 Madrid ES
- 代理机构： STIEBE, Lars Magnus et al.
- 优先权： EP14382194.0 20140528
- 主分类号： F02M37/20
- IPC分类号： F02M37/20 ; F02M21/02 ; F02M37/18 ; F02D33/00 ; F02D19/02 ; F02D41/38 ; F02M59/44 ; F02M63/02 ; F02M59/36 ; F02D41/30
摘要：
The invention relates to a direct injection engine (100) which comprises a fuel supply system having: - a low-pressure circuit comprising a low pressure fuel supply line (10) connecting a low pressure pump (11) submerged in fuel tank (12) to a low pressure chamber (97) which is part of a pump (9); and, - a high-pressure circuit comprising a high pressure fuel supply line (15) connecting a high pressure chamber (91) of the pump (9) to a high pressure rail (7); the high and low pressure chambers being connected by a flow control valve (96, 93); wherein the direct injection engine (100) comprises: - means for balancing pressure between the high-pressure circuit and the low-pressure circuit; - means for eliminating any remaining LPG in gas phase in the low- or high- pressure circuits; the direct injection engine further comprising control means (13) for operating the means for balancing pressure between the high-pressure circuit and the low-pressure circuit and the means for eliminating any remaining LPG in gas phase in the low- or high- pressure circuits at least before the engine is started or during start of the engine.
摘要（中）：
本发明涉及一种直喷式发动机（100），其包括燃料供给系统，其具有： - 低压回路，包括连接浸没在燃料箱（12）中的低压泵（11）的低压燃料供应管线（10） 到作为泵（9）的一部分的低压室（97）。 以及 - 高压回路，包括将所述泵（9）的高压室（91）连接到高压轨道（7）的高压燃料供给管线（15）。 所述高低压室由流量控制阀（96,93）连接; 其中所述直喷式发动机（100）包括： - 用于平衡所述高压回路和所述低压回路之间的压力的装置; - 用于消除低压或高压回路中气相中任何剩余LPG的装置; 所述直喷式发动机还包括用于操作所述用于平衡所述高压回路和所述低压回路之间的压力的装置的控制装置（13），以及用于消除所述低压或高压回路中气相中的任何剩余LPG的装置 至少在发动机启动之前或发动机启动期间。