Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1987-09-30
1989-05-16
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
2395339, 239584, F02M 6116, F02M 6120, B05B 130
Patent
active
048302856
ABSTRACT:
A fuel injection nozzle for use with a fuel injection pump comprises a tubular body and a valve needle slidably arranged within the body. First and second nozzle springs are arranged respectively within first and second spring chambers formed in the body. The first nozzle spring is interposed between a first stationary spring seat and a first movable spring seat for biasing the valve needle toward its closed position. The second nozzle spring is interposed between a second stationary spring seat and a second movable spring seat for biasing a push rod toward the valve needle. The push rod has a front end face spaced from a rear end face of the valve needle by an initial injection valve opening lifting gap. A main injection lift amount adjusting member has a front end face spaced from a rear end face of the push rod by a main injection valve opening lifting gap. The main injection lift amount adjusting member has at least a front end portion of a solid structure, and a rear end portion provided with a communication passage communicating the second spring chamber with a fuel overflow port formed at a rear end of the body.
REFERENCES:
patent: 1821272 (1931-09-01), Petersen
patent: 1834061 (1931-12-01), Joachim
patent: 3255974 (1966-06-01), Roosa
patent: 3373943 (1968-03-01), Roosa
patent: 3434667 (1969-03-01), Chmura
patent: 3627207 (1971-12-01), Hohmuth
patent: 3747857 (1973-07-01), Fenne
patent: 3806041 (1974-04-01), Tolan
patent: 4448356 (1984-05-01), Nakajima et al.
Burkhart Patrick N.
Diesel Kiki Co. Ltd.
Kashnikow Andres
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