High pressure fuel supply apparatus
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsYoshihiko Onishi, Takuya Uryu, Yuta Ichinose
Life of this patent
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Abstract
A high pressure fuel supply apparatus 6 having: a plunger 161 reciprocating and sliding in a sleeve 160 of a high pressure fuel pump 16 so as to form a fuel pressurizing chamber 163 between the plunger 161 and the sleeve 160 to thereby discharge pressurized fuel; a tappet 164 reciprocated while abutting against the plunger 161; and a cam 100 abutting against the tappet 164 so as to reciprocate the tappet 164 and the plunger 161; wherein the tappet 164 has a recess portion 164a formed near a central portion of an abutment surface of the tappet 164 against the plunger 161.
Claims3
A high pressure fuel supply apparatus comprising:
- a plunger reciprocating and sliding in a sleeve of a high pressure fuel pump so as to form a fuel pressurizing chamber between said plunger and said sleeve to discharge pressurized fuel;
- a tappet reciprocated with abutting against said plunger;
- and
- a driving unit abutting against said tappet so as to reciprocate said tappet and said plunger, wherein
- said tappet has a recess portion formed near a central portion of an abutment surface of said tappet against said plunger.
Dependencies are inferred from the claim text.