Internal-combustion engines – Charge forming device – Cooling of combustible mixture
Patent
1998-07-13
1999-06-01
Miller, Carl S.
Internal-combustion engines
Charge forming device
Cooling of combustible mixture
123 4131, 123509, F02M 3120
Patent
active
059080205
ABSTRACT:
An integrated fuel system component (10) comprising a fuel pump (52), a fuel filter (30) axially mounted directly below and around the lower portion of the fuel pump, and a spiral-wound fuel line (84) composed of a heat-conductive material mounted concentric to the upper portion of the fuel pump, minimizing the space required for installation. A fuel cooling system encloses the pump housing (70) and the fuel line in sealed chambers (66, 68) through which a liquid coolant is circulated to cool both the fuel pump and the fuel contained within the fuel line. A fuel pressure regulator (104) located between the fuel line and a fuel outlet (100) returns fuel to a fuel reservoir (24) located below the fuel filter, thereby providing a closed loop system. By combining the fuel pump, fuel filter, liquid cooling system, and pressure regulator into a single unit, the integrated unit minimizes vapor lock induced by heat, and optimally houses the fuel system components within a minimal volume of space.
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Boutwell Rodney K.
Ulm Ralph E.
Miller Carl S.
UIS, Inc.
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