Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1981-07-06
1984-07-31
Myhre, Charles J.
Internal-combustion engines
Charge forming device
Fuel injection system
123447, 123501, 123425, F02N 5702
Patent
active
044623682
ABSTRACT:
A source of high pressure fuel supply is hydraulically connected with a fuel tank or reservoir through a low pressure supply pump. Pressurized fuel from the high pressure fuel supply source is communicated to an injector which comprises a body having an axial bore therein and a plunger axially slidably received in the bore of the injector body. The injector body has a fuel induction passageway to which the pressurized fuel is communicated from the supply source while the plunger has a passageway means therein which is communicated with or communicable with the fuel injection passageway at one end thereof. Upon a reciprocal movement of the plunger, the passageway means at the other end is brought into or out of communication with a nozzle hole formed in the injector body by a controllable amount and duration thereby starting or terminating a controlled rate of injection of the pressurized fuel into an engine. The plunger is made up of first and second plunger parts which are connected together with the intermediary of a seal member. An isolation means formed as at least one seal ring is attached to a lower end portion of the plunger.
REFERENCES:
patent: 2077259 (1937-04-01), Planiol
patent: 3827409 (1974-08-01), O'Neill
patent: 3875912 (1975-04-01), Bullo
patent: 4082481 (1978-04-01), Fenne
patent: 4213180 (1980-07-01), Marchak
patent: 4217862 (1980-08-01), Fort
patent: 4265206 (1981-05-01), Garcea
patent: 4306528 (1981-12-01), Straubel
Diesel Kiki Company, Ltd.
Miller Carl Stuart
Myhre Charles J.
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