Variable venturi type carburetor and associated method

摘要

A variable venturi type carburetor comprising a carburetor body provided with a suction passage therein, a slide valve supported by the body for movement across the suction passage to function as a variable venturi and a butterfly throttle valve pivotably supported by the carburetor body downstream of the slide valve. An interlocking mechanism connects the slide valve and the butterfly throttle valve for operation in correspondence with one another and the interlocking mechanism is arranged in a housing chamber formed in a side portion of the carburetor body. The interlocking mechanism includes a regulator member which is accessible from outside the housing chamber.