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US 5,258,143 AGranted
Carburetor with a cam-controlled venturi
OwnerMing-Ching Wanginventor
Life of this patent
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Abstract
A carburetor with a cam-controlled venturi; the carburetor mainly comprises a front part, a body and a rear part, and the carburetor further comprises a cam-controlled adjustable venturi mechanism, a main choker, a heavy-duty fuel supply system, a vacuum-controlled delay valve, an automatic horsepower-regulating choker and an idle fuel passage system; the object of such a carburetor is to save fuel, to reduce waste gas and to produce a higher driving power.
Claims6
A carburetor with a cam-controlled venturi to be used in a vehicle to supply appropriate air and fuel mixture to an engine, said carburetor comprises:
- (a) a front part, a body and a rear part, said body being fixedly disposed between said front part and said rear part;
- (b) a cam-controlled adjustable venturi mechanism, in said front part which is capable of supplying a suitable fuel and air mixture to said engine in a continuously adjustable manner;
- (c) a main choker valve in said rear part which is coupled to said adjustable venturi to effectuate coordinated movements in supplying the fuel and air mixture;
- (d) a heavy duty supply system for increasing fuel to air ratio during heavy engine load;
- (e) a vacuum-controlled delay valve to be actuated by a vacuum effect of said engine for delaying the movement of said venturi during braking conditions to conserve fuel and thereby reducing waste gas generation;
- (f) an automatic horsepower-regulating choker valve to be actuated by a vacuum provided by said engine for controlling additional fuel intake into said venturi;
- and
- (g) an idle fuel passage system having a vent which is controllable by said automatic horsepower-regulating choker valve.
5 more elements
Dependencies are inferred from the claim text.