Internal combustion engine

Details Internal combustion engine Internal combustion engine

1981-09-08

1983-03-22

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

123577, 123505, 48180C, 261 69R, 261 51, F02B 4300, F02M 2104

Patent

active

043771475

ABSTRACT:
An internal combustion engine driven by a gaseous fuel, with quantity regulation in a lower load range and quality regulation in an upper load range. A gas pressure regulator is provided for controlling a gas flow to an air-gas mixer, with a throttle valve actuatable by an accelerator pedal being arranged in an intake line downstream of the air-gas mixer, whereby the gas pressure regulator is movable in a closing direction through a control line, by a diaphragm by vacuum prevailing in the intake line in a vicinity of the throttle valve. A control valve, influenced by the accelerator in the quality control range, is disposed in a control line. The control line branches off the intake line upstream of the throttle valve or off the air-gas mixer. A throughput or through-flow cross section in the control valve decreases with increasing loads in a direct relationship to a position of the accelerator until the control valve closes at full load. The control line between the control valve and gas pressure regulator is connected to outside air through a fixed throttle.

REFERENCES:
patent: 2664872 (1954-01-01), Ericson et al.
patent: 3105478 (1963-10-01), Lyon
patent: 3370578 (1968-02-01), Spelts
patent: 3472494 (1969-10-01), Seiden
patent: 3596644 (1971-08-01), Hutchins
patent: 4290402 (1981-09-01), Bergmann

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