Constant pressure fuel injector assembly

Fluid sprinkling – spraying – and diffusing – Injection nozzle having plunger or valve controlled by...

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123139AJ, 239585, 251139, F02M 4902

Patent

active

041979966

ABSTRACT:
FIG. 1 shows a fuel injector having a valve 54 that closes an outlet 50 in a housing 10 by means of a spring 22, excitation of a magnet 14 opening the valve; the injector has a toroidal chamber 62 containing an annular piston 66 subject to combustion chamber pressures on one side or end by means of a vent 72 and filled with fuel acting against its opposite side, a spring 70 biasing the piston to charge the piston chamber or reservoir 80 with a pressure equal to the pressure of the fuel passing through inlet check valve 38 connected to reservoir 80.

REFERENCES:
patent: 2332909 (1943-10-01), Fuscaldo
patent: 3081758 (1963-03-01), May

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