F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/20
F02M 33/02 (2006.01) F02C 7/22 (2006.01) F02M 37/20 (2006.01)
Patent
CA 1217400
FUEL SYSTEM BUBBLE DISSIPATION DEVICE Abstract A fuel system bubble dissipation device wherein fuel is delivered through a fuel line (not shown) from a fuel tank (not shown) to an engine. The device includes an ejector 30 having a casing 35 with a fuel flow passage connected into the fuel line and a nozzle 37 extending into said fuel flow passage. The nozzle is supplied with pressurized fuel to induce a higher pressure in the fuel flowing through the ejector. A bubble accumulation chamber 25 is associated with the fuel line and the ejector to provide a reservoir for fuel for passage to the ejector and hold an air bubble separated from and above the fuel and a bubble evacuation passage 55 connects the upper end 56 of the bubble accumulation chamber to the fuel flow passage of the ejector whereby air and vapor can be drawn from the upper end of the bubble accumulation chamber and mixed with fuel flowing through the ejector. The bubble evacuation passage is of a size to control the rate at which air and vapor are drawn from the bubble accumulation chamber.
451246
Riches Mckenzie & Herbert Llp
Sundstrand Corporation
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