Crowell & Moring LLP
High-pressure fuel supply pump having electromagnetically-driven intake valve
A fuel pump includes an intake valve unit which is provided between a low-pressure chamber and a pressurizing chamber. The intake valve unit includes an intake valve configured to move in an axial direction of the intake valve unit and a valve stopper arranged between the intake valve and the pressurizing chamber. A plurality of fuel passages configured to allow fuel to communicate between the low-pressure chamber and the pressurizing chamber are formed on a radially outward of an outer peripheral surface of the valve stopper.
Hitachi Automotive Systems, Ltd.
F F F Y F F F F F F F F H F F F F F F
F02M F16K F04B Y10T F02M F02M F16K F02M F02M F04B F04B F16K H02K F16K F04B F02M F04B F04B F02M
inventional inventional inventional additional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Hiroyuki Satoshi Katsumi Masahiko Tatsuo Shingo Kenichiro
Yamada Usui Miyazaki Hayatani Kawano Tamura Tokuo