Fluid sprinkling – spraying – and diffusing – Terminal outlet formed between parts mounted for relative... – Spray fluid pressure responsive discharge modifier
Patent
1987-10-05
1988-06-14
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Terminal outlet formed between parts mounted for relative...
Spray fluid pressure responsive discharge modifier
2395333, 23953311, B05B 132
Patent
active
047506750
ABSTRACT:
A poppet covered orifice fuel injector nozzle for use in a direct injection type diesel engine has a spray tip with a spring biased poppet valve journaled for reciprocable movement therein, the lower reduced diameter free end of the spray tip and the head of the poppet valve having opposed frusto-conical valve seat surfaces with a differential angle of about 2.degree. so that seating engagement occurs at the outer peripheral edges thereof. The poppet valve has a fuel supply passage extending through the stem thereof for flow communication with a plurality of circumferentially spaced apart radial orifices that are inclined and located so as to discharge fuel parallel to and directly across the valve seat surface of the poppet valve. A retainer is sealingly fixed to the free stem end of the poppet valve and a damping piston encircles the stem of the poppet valve in position to cooperate with the retainer for one-way damping of valve movement in a valve opening direction.
REFERENCES:
patent: 2035203 (1936-03-01), Smith
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patent: 2521224 (1950-09-01), Kammer
patent: 2592111 (1952-04-01), Bischof
patent: 2901185 (1959-08-01), Dickey
patent: 3718283 (1973-02-01), Fenne
patent: 4034917 (1977-07-01), Bailey
patent: 4082224 (1978-04-01), Margus
patent: 4662338 (1987-05-01), Itoh et al.
patent: 4693424 (1987-09-01), Sczomak
General Motors Corporation
Jones Mary Beth O.
Kashnikow Andres
Krein Arthur N.
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