Fuel metering and transfer control system

Details Fuel metering and transfer control system Fuel metering and transfer control system

1979-06-04

1980-10-14

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Combined liquid and gaseous fuel

123575, 261 16, F02M 1308

Patent

active

042274974

ABSTRACT:
An auxiliary fuel metering and transfer control system for an internal combustion engine. The system consists essentially of a pressure vessel for storage of propane, methane, natural gas or a similar gaseous fuel, a pressure regulator for maintaining constant gaseous fuel pressure during operation of the system, a solenoid valve and a magnetic reset safety switch, a metering valve, a transfer valve and an auxiliary fuel nozzle positioned in the Venturi of the carburetor on the engine using the system. The metering valve operates in response to changes in the intake manifold vacuum of the engine and changes in the air velocity in the carburetor of the engine. The transfer valve operates in response to movement of the throttle linkage on the carburetor of the engine. During operation of the engine, the system is substituted for both the idle circuit or system and the acceleration circuit or system of the carburetor.

REFERENCES:
patent: 2050978 (1936-08-01), Thatcher
patent: 3308794 (1967-03-01), Bailey
patent: 3421483 (1969-01-01), Fox
patent: 3556066 (1971-01-01), Muirhead
patent: 3805756 (1974-04-01), Madariaga
patent: 4019477 (1977-04-01), Overton
patent: 4056087 (1977-11-01), Boyce
patent: 4068639 (1978-01-01), Cook
patent: 4085720 (1978-04-01), Etoh
patent: 4088102 (1978-05-01), Kato
patent: 4090484 (1978-05-01), Itoh
patent: 4094288 (1978-06-01), Davis
patent: 4129620 (1978-12-01), Etoh

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