Fuel injection nozzles

Fluid sprinkling – spraying – and diffusing – With system fluid relief or return to supply

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Details

2395334, F02M 5500

Patent

active

046167811

ABSTRACT:
A fuel injection nozzle for supplying fuel to a compression ignition engine includes a valve member movable against a spring to allow fuel flow through an outlet from a fuel inlet passage. The valve member is actuated by the pressure of fuel and the nozzle includes a flow path extending from said inlet passage to a drain. The flow passage includes a variable restrictor defined by a port and the valve member, the degree of restriction to the flow of fuel increasing as the valve member moves against the action of the spring.

REFERENCES:
patent: 2374614 (1945-04-01), Nichols
patent: 3425635 (1969-02-01), Guertler
patent: 3430866 (1969-03-01), Guertler
patent: 4258883 (1981-03-01), Hofmann et al.

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