Internal-combustion engines – Charge forming device – With fuel pump
Patent
1988-12-14
1990-04-17
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
With fuel pump
123500, F02M 3900
Patent
active
049170686
ABSTRACT:
A unit injector including a plunger, a high pressure fuel chamber, and a needle, wherein the pressure of fuel in the high pressure fuel chamber is increased by the plunger, a spill valve is slidably inserted in a bore to spill the fuel in the high pressure fuel chamber when a fuel injection is to be stopped, and the slide bore is spaced from and extends in parallel to a line which intersects the common axis of the plunger and the needle at a right angle.
REFERENCES:
patent: 3779225 (1973-12-01), Watson
patent: 4180022 (1979-12-01), Tahir
patent: 4622942 (1986-11-01), Nozaki et al.
patent: 4660523 (1987-04-01), Prauer
patent: 4721075 (1988-01-01), Kasai
patent: 4782807 (1988-11-01), Takahashi
patent: 4803393 (1989-02-01), Takahashi
patent: 4811715 (1989-03-01), Djordteuic
SAE paper 850542.
Copending U.S. Patent Application No. 07/073,155 (Filing date: 7/14, 1987),
Hirota Shinya
Sawada Daisaku
Takahashi Takeshi
Watanabe Satoshi
Yamamoto Takashi
Miller Carl Stuart
Toyoto Jidosh Kabushiki Kaisha
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