Carburettor

Details Carburettor Carburettor

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 21/04 (2006.01) F02M 19/02 (2006.01) F02M 19/035 (2006.01) F02B 43/00 (2006.01)

Patent

CA 2176129

A carburettor (2) to supply a mixture of fuel gas and combustion air to a reciprocating internal combustion engine. The carburettor comprises a venturi (4) and a throttle (10) including a throttle valve (24). A tear-drop shaped obstruction (36) is mounted in the venturi throat (18) on diametrically opposed radial arms (66). The narrowest part of the tubular gap (46) between the walls of venturi (4) and the obstruction (36) is at (48). A continuous slot (50) in the throat wall (18) encircles the obstruction and opens into gap (48). Another continuous slot (70) encircling the obstruction (36) is formed therein and also opens into the gap (48). Fuel gas is supplied to the slots (50) and (70) through passages (52, 74 and 72).

Carburateur (2) destiné à fournir un mélange de gaz combustible et d'air de combustion à un moteur à combustion interne à mouvement alternatif. Le carburateur comprend un venturi (4) et un papillon (10) muni d'une vanne (24). Un élément d'obstruction en forme de goutte (36) est monté dans le col (18) du venturi sur des bras radiaux diamétralement opposés. La partie la plus étroite de l'intervalle tubulaire (46) entre les parois du venturi (4) et l'élément d'obstruction (36) se situe en (48). Une fente continue (50) située dans la paroi du col (18) entoure l'élément d'obstruction et s'ouvre sur l'intervalle (48). Une autre fente continue (70) entourant l'élément d'obstruction (36) est formée à l'intérieur de celui-ci et s'ouvre également sur l'intervalle (48). Du gaz combustible est fourni aux fentes (50 et 70) à travers les passages (52, 74 et 72).

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