Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1984-09-24
1986-09-23
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123514, 123516, F02M 3100
Patent
active
046128972
ABSTRACT:
A heated fuel delivery system joint and method is disclosed which is most advantageously employed in connection with a fuel oil delivery system for a diesel engine powered motor vehicle. In such fuel delivery systems, fuel processor devices are often employed to prevent fuel clouding and waxing and ice accumulation from restricting fuel flow to the engine. Even when such fuel processors are used, excessively low temperatures of fuel can cause fuel supply problems in fittings and conduits which connect the fuel tank to the fuel processor. In accordance with this invention, these fittings and conduits are warmed by removing a portion of the heated fuel exiting from the fuel processor and introducing it into a fitting at the fuel tank discharge port. By mixing the warmed fuel with cold fuel withdrawn from the fuel tank, the combined temperature of the fuel is increased, thereby minimizing problems associated with excessively cold fuel. Various means are described for energizing the fuel pump such that it operates in response to sensed fuel temperature or whenever the operator of the associated motor vehicle has set the heater controls to a position to provide heat to the vehicle interior.
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Davco Manufacturing Corporation
Lazarus Ronald H.
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