F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 7/02 (2006.01) F02M 19/03 (2006.01)
Patent
CA 2247866
A carburetor including a carburetor tor body (22) having a throat (24) extending from an intake (26) to a discharge (28), and a fuel nozzle (32) positioned within the throat and including an upstream orifice facing substantially upstream and a downstream orifice facing substantially downstream. A surface area of the upstream orifice is smaller than a surface area of the downstream orifice. If more than one orifice is provided on each side, a combined surface area of all upstream orifices is less than a combined surface area of all downstream orifices. The upstream orifice is positioned closer to the carburetor body than any of the downstream orifices. The downstream orifice includes a plurality of downstream orifices that have an average position that is centered with respect to the throat.
L'invention concerne un carburateur comprenant un corps (22) pourvu d'un étranglement (24) s'étendant depuis une entrée (26) jusqu'à une sortie (28) et un injecteur de carburant (32) positionné dans cet étranglement et comportant un orifice d'amont, sensiblement orienté vers l'amont, et un orifice d'aval, sensiblement orienté vers l'aval. Une surface utile de l'orifice d'amont est inférieure à une surface utile de l'orifice d'aval. Si plusieurs orifices sont prévus de chaque côté, une surface combinée de tous les orifices d'amont est inférieure à une surface utile combinée de tous les orifices d'aval. L'orifice d'amont est positionné plus près du corps du carburateur que les orifices d'aval. L'orifice d'aval comprend plusieurs orifices d'aval dont la position moyenne est centrée par rapport à l'étranglement.
Guntly Thomas G.
Rasmussen Jerome
Santi John D.
Briggs & Stratton Corporation
Smart & Biggar
LandOfFree
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