发明名称 |
PUMP UNIT FOR FEEDING FUEL, PREFERABLY DIESEL FUEL, FROM A STORAGE TANK TO AN INTERNAL COMBUSTION ENGINE |
摘要 |
A pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a hydraulic circuit (14) having a first line (15) for connecting together a fuel storage tank (2) and a pre-feed pump (7), a second line (16) for connecting together the pre-feed pump (7) and a high-pressure pump (6), a third line (18) for connecting together the high-pressure pump (6) and the internal combustion engine (3), a fourth line (24) for connecting together the second line (16) and the storage tank (2) and a fifth line (35) for connecting together the second and fourth lines (16, 24); a Venturi pipe (31) being screwed into the fourth line (24) and communicating hydraulically with the fifth line (35). |
申请公布号 |
EP2652328(B1) |
申请公布日期 |
2014.09.17 |
申请号 |
EP20110797236 |
申请日期 |
2011.12.14 |
申请人 |
ROBERT BOSCH GMBH |
发明人 |
PALMISANO, SALVATORE;DE GENNARO, DANIELE;MEDORO, NELLO |
分类号 |
F04B1/04;F02M37/02;F02M37/18;F02M37/20;F02M55/00;F02M59/02;F02M59/44;F02M63/02;F04B49/22 |
主分类号 |
F04B1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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