Diaphragm fuel pump and associated method

Details Diaphragm fuel pump and associated method Diaphragm fuel pump and associated method

1981-08-03

1983-09-13

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

91347, F04B 4306

Patent

active

044039255

ABSTRACT:
A pneumatically operated diaphragm fuel pump comprising a ram actuated by a diaphragm and arranged in a drive chamber and a reversible lever subjected to the action of a tension spring for actuating suction and air-inlet valves. The lever is locked with respect to the ram for a given range of stroke of the ram and switching takes place only at the dead center positions of the diaphragm.

REFERENCES:
patent: 2340454 (1944-01-01), Conde
patent: 2358037 (1944-09-01), Sunderland
patent: 2631573 (1953-03-01), Levitt et al.

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