Air and fuel mixing apparatus and method

Details Air and fuel mixing apparatus and method Air and fuel mixing apparatus and method

1991-05-17

1992-04-14

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

481801, F02B 4300

Patent

active

051037955

ABSTRACT:
An apparatus 10 for introducing a mixture of air and gaseous fuel into internal combustion engines has a housing 12 in communication with a supply of gaseous fuel that may be mounted to tubular intake ports 11 of the engine. The apparatus has a pair of control tubes 32 which adjustably extending into the housing to positions close to but spaced from the intake ports to form gaps therebetween. By repositioning the control tubes the size of these gaps may be altered to alter the air to gas mixture ratio.

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patent: 4553523 (1985-11-01), Stohrer
patent: 4872440 (1989-10-01), Green

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