Regulator flow noise prevention for fuel system of a vehicle

Details Regulator flow noise prevention for fuel system of a vehicle Regulator flow noise prevention for fuel system of a vehicle

2011-05-17

2011-05-17

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S457000, C123S467000

Reexamination Certificate

active

07942130

ABSTRACT:
Vapor reducing structure (25) is constructed and arranged to be associated with a fuel pressure regulator (18) of a fuel system (10′) of a vehicle. The pressure regulator has an outlet (28) for fuel that is in excess of fuel required by an engine of the vehicle. The reducing structure includes a fuel accumulator (26) associated with an outlet of the pressure regulator defining a volume in which fuel exiting the outlet of the regulator can accumulate. Flow restricting structure (30′) is associated with the accumulator and is constructed and arranged to create sufficient back-pressure to eliminate vaporization of the fuel exiting the outlet of the pressure regulator.

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