Automatic choke for an engine

Details Automatic choke for an engine Automatic choke for an engine

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 1/02 (2006.01) F01N 5/02 (2006.01) F02B 63/02 (2006.01) F02D 11/04 (2006.01) F02M 1/10 (2006.01)

Patent

CA 2532287

An automatic choke apparatus (54) for use in an internal combustion engine (10). The choke apparatus (54) includes a choke valve (18) automatically operable in response to the speed of the engine, a thermally conductive assembly that conducts heat from exhaust gases produced by the engine (10), a thermally responsive member (118) in thermal communication with the thermally conductive assembly (66), and a mechanism (62) that moves in response to the thermally responsive member (118) to cause the choke valve (18) to remain in at least a partially open position during engine starting when the thermally responsive (118) member senses a temperature above a predetermined temperature. The thermally conductive assembly at least partially surrounds the path of the exhaust gases.

L'invention concerne un volet d'air automatique pour moteur à combustion interne, qui comprend un étrangleur automatique réagissant à la vitesse du moteur, un ensemble à conduction thermique conduisant la chaleur depuis les gaz d'échappement du moteur, un élément à réaction thermique en liaison thermique avec ledit ensemble, et un mécanisme mobile en réaction à cet élément qui permet à l'étrangleur de se maintenir en position partiellement ouverte au démarrage lorsque l'élément considéré détecte une température excédant une température préétablie. L'ensemble susmentionné entoure au moins en partie le trajet des gaz d'échappement.

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