F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
F24C 5/18 (2006.01) F23K 5/04 (2006.01) F23K 5/16 (2006.01)
Patent
CA 2261546
An anti-siphon fuel supply system includes a fuel storage container, a pump for pumping the fuel from the fuel storage container, a supply line connecting the pump to the fuel storage container and a return line also connecting the pump to the fuel storage container. A manifold block mounts to a top side of the fuel storage container for dividing the supply and return lines into respective first portions extending towards the pump and respective second portions extending into the fuel storage container. A pipe extends upwards from the manifold block for connection at a bottom end of the pipe to the return line and for providing a vent at a top end for venting the return line. The vent allows the return line to drain without siphoning contents of the fuel storage container in the event the first portion of the return line experiences a leak or break. A pressure sensitive valve is connected to a bottom end of the second portion of the supply line. The valve includes an inlet port and a valve member within an inner chamber. A spring aids to urge the valve member against the inlet port wherein the valve member is fitted to cover the inlet port. The valve is arranged such that the pump provides sufficient head to unseat the valve member from the inlet port such that the fuel is free to flow through the inlet port to the supply line. In the event the first portion of the supply line experiences a break there is insufficient head provided to unseat the valve member from the inlet port such that the fuel is not able to siphon through the inlet port to the supply line.
Ade & Company
Lange Jack
LandOfFree
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