发明名称 |
Fuel pump for a direct injection system |
摘要 |
<p>A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: a pumping chamber (11); a piston (12) which is slidingly mounted inside the pumping chamber (11); a suction channel (14) connected to the pumping chamber (11) and regulated by a suction valve (15); an outlet channel (16) connected to the pumping chamber (11) and regulated by an outlet valve (17); an exhaust channel (27) which originates from the outlet channel (16) and is regulated by a pressure relief valve (28); and a setting device (19) which acts on the suction valve (15) to keep the suction valve (15) open during a pumping phase of the piston (12) and is provided with a hydraulic actuator (21) which is connected to the exhaust channel (27) to be driven by the fuel pressure present in the exhaust channel (27) itself.</p> |
申请公布号 |
EP2434137(A1) |
申请公布日期 |
2012.03.28 |
申请号 |
EP20110182648 |
申请日期 |
2011.09.23 |
申请人 |
MAGNETI MARELLI S.P.A. |
发明人 |
CRISTIANI, MARCELLO;DE VITA, DANIELE;MATTIOLI, MASSIMO;PASQUALI, PAOLO |
分类号 |
F02M69/02;F02M59/20;F02M59/34;F02M59/46;F04B49/24 |
主分类号 |
F02M69/02 |
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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