Fuel pump
AssigneeMitsubishi Heavy Industries Engine & Turbocharger, Ltd.
InventorHisao OGAWA
Life of this patent
Estimating the term…
Abstract
Provided is a fuel pump including: a pump head (23); a plunger barrel (32) in which a support hole (38) is provided, and one end section of which in the axial direction of the support hole (38) is screw-fastened into the pump head (23); a plunger (41) that is supported in the support hole (38) so as to be freely movable in the axial direction; a pressurization chamber (56) that is defined by one end of the support hole (38) and one end of the plunger (41); a fuel discharge passage (73) one end of which communicates with the pressurization chamber (56); and a fuel suction passage (70) one end of which communicates with the pressurization chamber (56).
Claims20
A fuel pump comprising:
- a pump head;
- a plunger barrel that is provided with a support hole and in which one end portion side of the support hole in an axial direction is screwed to the pump head;
- a plunger that is supported by the support hole so as to be movable along the axial direction;
- a pressurization chamber partitioned by one end portion of the support hole and one end portion of the plunger;
- a fuel discharge channel of which one end portion communicates with the pressurization chamber;
- and
- a fuel suction channel of which one end portion communicates with the pressurization chamber.
Dependencies are inferred from the claim text.