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1. 发明公开

EP1712775A1 FUEL SUPPLY DEVICE 审中-公开
标题翻译：燃料供应装置
公开(公告)号：EP1712775A1
公开(公告)日：2006-10-18
申请号：EP05710035.6
申请日：2005-02-03
申请人： Bosch Corporation
发明人： KUBOTA, Kazuya, Bosch Automotive Systems Corporat. , AOKI, Nobuo, Bosch Automotive Systems Corporation
IPC分类号： F02M59/44 , F02M37/00 , F02M69/00
CPC分类号： F02M37/0029 , F02M37/0052 , F02M59/34 , F02M59/365 , F02M59/366
摘要： In a fuel supply system (1), a fuel pressure regulating valve (11) disposed at a fuel outlet side of a low-pressure pump (3) in order to regulate the pressure of supply fuel from the low-pressure pump (3) to a predetermined pressure is housed inside a cylinder (31) such that a piston (32) is elastically urged by an elastic urging mechanism (33) toward a pressure receiving port (11A), the piston (32) is configured such that the pressure of the fuel at the fuel outlet side is regulated as a result of the piston opening/closing an overflow port (11B) disposed in a side wall portion of the cylinder (31) in response to the fuel pressure applied to the pressure receiving port (11A), a lubrication fuel outlet port (11C) for taking out fuel for lubrication is disposed in the side wall portion of the cylinder (31) at a position nearer to the pressure receiving port (11A) than the overflow port (11B), and lubricating-use fuel is taken out prior to the start of the pressure regulating operation.
摘要翻译：在燃料供应系统（1）中，为了调节来自低压泵（3）的供应燃料的压力，设置在低压泵（3）的燃料出口侧的燃料压力调节阀（11）（31）内容纳有规定压力的活塞（32），通过弹性施力机构（33）向受压口（11A）弹性地施力，活塞（32）根据施加到压力接收口的燃料压力，活塞打开/关闭设置在气缸（31）的侧壁部分中的溢流口（11B），从而限制燃料出口侧的燃料的流量如图11A）所示，在比溢流口（11B）更靠近压力接收口（11A）的位置，在汽缸（31）的侧壁部设置有用于取出润滑用的燃料的润滑燃料出口（11C）并且在压力调节操作开始之前取出润滑用燃料。

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