Patent Number: 6,637,410

Title: High pressure fuel supply apparatus

Abstract: A high pressure fuel supply apparatus is constituted by a plungerreciprocating in a sleeve of a high pressure fuel pump so as to form afuel pressurizing chamber between the plunger and the sleeve, a suctionvalve provided in a fuel suction port for sucking fuel into the fuelpressurizing chamber, and a discharge valve provided in a fuel dischargeport for discharging fuel from the fuel pressurizing chamber into a highpressure fuel discharge passageway communicating with an internalcombustion engine, the discharge valve reciprocating axially so as toperform an open/close operation, wherein the high pressure fuel supplyapparatus further comprises a holder for regulating an axial reciprocatingmovement of the discharge valve in the open/close operation within apredetermined range.

Inventors: Onishi; Yoshihiko (Tokyo, JP), Ojima; Kouichi (Tokyo, JP), Ichinose; Yuta (Tokyo, JP)


International Classification: F02M 59/00 (20060101); F02M 59/46 (20060101); F02M 59/20 (20060101); F02M 63/00 (20060101); F02M 63/02 (20060101); F02M 55/04 (20060101); F02M 59/36 (20060101); F02M 55/00 (20060101); F02M 037/04 ()

Expiration Date: 10/22015