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US 4,161,160 AGranted
Fuel additive injection system for diesel engines
AssigneeCaterpillar Tractor Co.
InventorsGeorge E. Hicks, John W. Litherland, Arlan G. Martin, Lawrence Williams
Life of this patent
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Abstract
A diesel fuel supply system for use with a diesel engine including a fuel pump for supplying fuel to the engine, a fuel tank connected to the pump for delivering fuel to the pump, a fuel additive tank, a valve, conduits connecting the additive tank to the pump through the valve in parallel to the fuel tank, and an operator for selectively operating the valve.
Claims7
In a diesel fuel supply system, the combination of:
- a fuel pump for supplying fuel to a diesel engine;
- a fuel tank connected to said pump for delivering fuel to the pump;
- a fuel additive tank;
- a valve;
- means connecting said additive tank to said pump through said valve in parallel relation to said fuel tank;
- and
- means for selectively operating said valve.
4 more elements
A diesel fuel supply system for use with diesel engines comprising:
- a fuel pump adapted to be connected to a diesel engine to supply fuel thereto;
- a first conduit connected to said fuel pump;
- a tee connected to said first conduit;
- a fuel tank;
- a second conduit interconnecting said tee and said fuel tank;
- a fuel additive tank;
- a normally closed, solenoid operated valve;
- a fluid metering orifice;
- a third conduit connecting said additive tank, said valve and said orifice in series to said tee;
- and
- an electrical control circuit for said valve.
8 more elements
Dependencies are inferred from the claim text.