Economizer valve for use with gas-powered internal combustion en

Details Economizer valve for use with gas-powered internal combustion en Economizer valve for use with gas-powered internal combustion en

1975-10-08

1977-05-03

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261DIG68, 261 69A, 48180C, F02M 2102

Patent

active

040208109

ABSTRACT:
An economizer valve for use with an induction and fuel supply system for an internal combustion engine operated on gaseous fuels, for example, LPG or natural gas. The system is used with a conventional mixing valve which supplies air according to engine demand, together with fuel appropriate to the desired charge, and includes a regulator for providing gas to the mixing valve, and an economizer valve responsive to pressure regions upstream from and at and downstream from a throttle valve, effective on the regulator to cause it to lean out the charge under certain conditions and to permit the charge to be enriched at other conditions.

REFERENCES:
patent: 2896599 (1959-07-01), Ensign
patent: 3215132 (1965-11-01), Spencer

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