Crowell & Moring LLP
High-pressure fuel pump
A high-pressure fuel pump is comprises of: a plunger which slidably fits to a cylinder and reciprocates for pressurizing and discharging a fuel taken in a pressurizing chamber; an inlet valve device for taking in a fuel into the pressurizing chamber; an outlet valve device for discharging the pressurized fuel from the pressurizing chamber; and a communicating pass which comprises a hole or a groove formed in the cylinder, and communicates between a pressurized fuel area and a gap between the cylinder and the plunger.
Hitachi, Ltd.
F F F F F F
F02M F04B F02M F02M F02M F02M
inventional inventional inventional additional inventional additional
Tohru Toru Minoru Satoshi Masami Junichi Hiroyuki
Himoto Onose Hashida Usui Abe Shimada Yamada