| 摘要 |
Apparatus for supplying an air-vapor mixture to an air intake chamber in communication with an air intake passageway of a carburetor under acceleration conditions of an internal combustion engine. The air intake chamber has a valved inlet opening through which normal atmospheric air is supplied to the carburetor under normal operating conditions. Upon operation of the accelerator control means, a steam or vapor operated air injection means is actuated. The steam or vapor is admixed in the air injector nozzles with the mixture being discharged into the air intake chamber. This increases the pressure in the chamber causing the valve in the atmospheric air inlet to close. The air-vapor mixture then becomes the sole air supply to the air intake passage of the carburetor.
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