公开(公告)号：US07871251B2

公开(公告)日：2011-01-18

申请号：US12096525

申请日：2007-01-17

申请人： Giuseppe Marino ,  Alessandro De Luca ,  Vittorio Caroli ,  Angela Cavallo ,  Rocco Guarino ,  Nicola Loiudice ,  Massimiliano Roncone ,  Giuseppe Ficarella

发明人： Giuseppe Marino ,  Alessandro De Luca ,  Vittorio Caroli ,  Angela Cavallo ,  Rocco Guarino ,  Nicola Loiudice ,  Massimiliano Roncone ,  Giuseppe Ficarella

IPC分类号： F04B53/22 ,  F01L3/10 ,  F16K21/00 ,  F16K15/04

CPC分类号： F04B1/0452 ,  F02M59/462 ,  F04B53/1002 ,  F16K15/044 ,  F16K17/0406 ,  Y10T137/7927

摘要： A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which has a fastening member suitable for being fastened to the pump housing and sealing the fuel chamber in a fluid-tight manner; a helical spring suitable for biasing the valve member; and a bushing arranged about the helical spring in order to prevent bending of the helical spring.

摘要翻译： 用于向内燃机供给燃料的高压泵具有泵壳体; 燃料输送管道; 以及沿着输送管道布置的止回阀，并且包括燃料室; 在所述燃料室内移动的阀构件; 以及偏压和引导组件，其具有适于紧固到泵壳体并以流体密封方式密封燃料室的紧固构件; 适于偏压阀构件的螺旋弹簧; 以及围绕螺旋弹簧布置的衬套，以防止螺旋弹簧的弯曲。

公开(公告)号：US20080292473A1

公开(公告)日：2008-11-27

申请号：US12096525

申请日：2007-01-17

申请人： Giuseppe Marino ,  Alessandro De Luca ,  Vittorio Caroli ,  Angela Cavallo ,  Rocco Guarino ,  Nicola Loiudice ,  Massimiliano Roncone ,  Giuseppe Ficarella

发明人： Giuseppe Marino ,  Alessandro De Luca ,  Vittorio Caroli ,  Angela Cavallo ,  Rocco Guarino ,  Nicola Loiudice ,  Massimiliano Roncone ,  Giuseppe Ficarella

IPC分类号： F04B49/00

CPC分类号： F04B1/0452 ,  F02M59/462 ,  F04B53/1002 ,  F16K15/044 ,  F16K17/0406 ,  Y10T137/7927

摘要： A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which has a fastening member suitable for being fastened to the pump housing and sealing the fuel chamber in a fluid-tight manner; a helical spring suitable for biasing the valve member; and a bushing arranged about the helical spring in order to prevent bending of the helical spring.

摘要翻译： 用于向内燃机供给燃料的高压泵具有泵壳体; 燃料输送管道; 以及沿着输送管道布置的止回阀，并且包括燃料室; 在所述燃料室内移动的阀构件; 以及偏压和引导组件，其具有适于紧固到泵壳体并以流体密封方式密封燃料室的紧固构件; 适于偏压阀构件的螺旋弹簧; 以及围绕螺旋弹簧布置的衬套，以防止螺旋弹簧的弯曲。