Springless fuel injection nozzle

Details Springless fuel injection nozzle Springless fuel injection nozzle

1980-02-04

1981-04-07

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239584, B05B 130

Patent

active

042601126

ABSTRACT:
PCT No. PCT/US80/00122 Sec. 371 Date Feb. 4, 1980 Sec. 102(e) Date Feb. 4, 1980 PCT Filed Feb. 4, 1980
High pressure undamped springs used in conventional fuel injection nozzle valves cause damage to the valve tip and seat. Also, such undamped springs resonate to admit unwanted fuel in engine cylinders which causes fuel waste and high emissions. Spring breakage and cost are also problems in such nozzle valves. A springless nozzle valve (36) operates on metered use of differential pressure of fuel supplied to the nozzle housing (28) and avoids problems associated with the conventional nozzle valves.

REFERENCES:
patent: 1840256 (1932-01-01), Rohwer
patent: 3368761 (1968-02-01), Pelizzoni
patent: 3511442 (1970-05-01), DeLuca et al.
patent: 3640466 (1972-02-01), Steiger
patent: 3791591 (1974-02-01), Hedges

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