Primer system for internal combustion engine

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

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Details

123139AJ, F02M 116

Patent

active

039788393

ABSTRACT:
Disclosed herein is an internal combustion engine including a cylinder having a head end, a piston reciprocal in the cylinder relative to the head end, a port communicating with the cylinder in spaced relation to the head end and subject to pressure variation in response to piston reciprocation, a manually operable primer pump communicating with the port for pumping primer fuel into the cylinder through the port, and a fuel pump including a pulse chamber defined in part by a diaphram communicating with the port and operable in response to pressure variation to effect fuel pumping operation.

REFERENCES:
patent: 1373625 (1921-05-01), Martinek
patent: 2601562 (1952-06-01), Schoeppner et al.
patent: 2974659 (1961-03-01), Wilson
patent: 3805758 (1974-04-01), May
patent: 3817227 (1974-06-01), Onishi

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