Crowell & Moring LLP
High pressure pump and manufacturing process thereof
The problems can be solved by ensuring that Ga≦Gb<Gc or Ga<Gb≦Gc, wherein Ga denotes a clearing between the bore on the portion from the compression chamber of the high pressure pump to the cylindrical groove and the plunger, where a transverse aperture is connected with the bore through a cylindrical groove provided halfway through the bore of a cylinder; Gb a clearance closer to the cylindrical groove, out of the clearances between the bore from the cylindrical groove to the drive source side and the plunger; and Gc a clearance closer to the drive source side, out of the clearances between the bore from the cylindrical groove to the drive source side and the plunger.
Hitachi, Ltd.
F F F F
F02M F02M F02M F04B
inventional inventional inventional inventional
Aikawa Eiichi Michio Yasuhiro Hiroyuki
Shigeo Kubota Yoshida Kajiyama Yamada