F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
123/41
F02B 47/00 (2006.01) F02M 11/02 (2006.01) F02M 35/022 (2006.01)
Patent
CA 1197152
APPARATUS AND METHOD FOR PREPARING A MIXTURE OF COMBUSTIBLE LIQUID FUEL AND AIR Abstract of the Disclosure An apparatus and method of mixing liquid fuel and air for an internal combustion engine (20) includes an assembly (22) providing a plurality of venturi passageways (40) for accelera- tive drawing of ambient air therethrough by the vacuum created by the engine and an associated fuel supply conduit system (26) and apertures (52) in the venturis for aspiration of fuel into the air. One of the venturis communicates unobstructedly with the engine to provide a fuel-air mixture for idling operation and a valve arrangement (78) effects opening and closing of at least some of the other venturis to communication with the engine responsive to increases and decreases in the vacuum. An enlarged chamber (24') intermediate the venturis and the engine receives the fuel entrained airstream from such some venturis, reduces the velocity thereof, and thereby gravitationally separates therefrom the larger fuel droplets which will not quickly and completely combust in the engine. A recycling arrangement (178,182) returns the separated droplets to the atomizing assembly.
408054
Purser Ben D.
Ridout & Maybee Llp
LandOfFree
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