F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/69
F02M 7/18 (2006.01) F02M 9/10 (2006.01) F02M 19/04 (2006.01) F23N 1/02 (2006.01)
Patent
CA 1091522
FUEL METERING AND DISTRIBUTION Abstract of the Disclosure A combustible air-liquid fuel mixture having a substan- tially constant air-to-fuel ratio is produced for delivery to the intake manifold of an engine. Air is passed through a fluid flow device having a variable area throat zone to increase the velocity of the air to sonic, and the area of the throat zone is varied in correlation with operating demands imposed upon the engine for which the mixture is produced. Liquid fuel is metered from a sup- ply and distributed into the air stream at or before the throat zone in direct proportion to the cross-sectional area of the throat zone. Due to the particular design of the fluid flow device, air at sonic velocity passes through the throat zone over substantially the entire operating range of the engine down to low manifold vacuum levels. A fuel bar in the form of a rod meters and dis- tributes the liquid fuel into the air stream. The rod has spaced apart tapered slots and the fuel flows along these slots and is stripped away by the rapidly moving air stream.
300932
Berriman Lester P.
Roe Douglas A.
Dresser Industries Inc.
Macrae & Co.
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