carburetor mixer with the main pipe or interchangeable with variable venturi diffuser section for the bottleneck or partial

摘要

the invention proposes a carburetor mixer with the main pipe or interchangeable with variable venturi diffuser section for the bottleneck to partial or total the area of passage of fluidor main body, comprising an outer rigid and a main duct or venturi diffuser made with elastic material / flexible within said body.said shaft or diffuser is peripherally engaged, directly or indirectly, by at least one device shutter controlled by throttle of an engine.in order to parzializzare the zone of mixing or isolate it completely in two environments containing liquid or gaseous fluids at different pressure, thereby sealing body.