F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/17
F02M 37/14 (2006.01) B60K 15/077 (2006.01) F02M 37/00 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1148804
D-4,316 - C-3,244 FUEL SUPPLY AND RETURN SYSTEM WITH BYPASS VALVE AND WATER PUMPOUT Abstract of the Disclosure A fuel system particularly useful with diesel fuel. The fuel is picked up through a fuel strainer system and pumped through a supply line to the engine. Excess fuel is returned to the fuel tank through a fuel return line. Since any water in the fuel separates from diesel fuel and settles in the bottom of the tank, the water must at times be removed. By extending the fuel return tube to the bottom of the tank a syphon tube is provided which can be connected to a pump to pump out the water. If the water in the bottom of the tank freezes, a bypass valve in the upper portion of the fuel return line, but within the tank, operates so that returned fuel may still be discharged in the tank. Two flexible bypass valve arrangements are shown, both using variations of a duckbill valve to provide a closed valve when syphoning or pumping of the water takes place.
369759
General Motors Corporation
Gowling Lafleur Henderson Llp
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