Fuel economizer fuel vapor system for internal combustion...

Details Fuel economizer fuel vapor system for internal combustion... Fuel economizer fuel vapor system for internal combustion...

2011-07-19

2011-07-19

Huynh, Hai (Department: 3747)

Internal-combustion engines

Charge forming device

Heating of combustible mixture

C123S514000

Reexamination Certificate

active

07980230

ABSTRACT:
A fuel vaporizer for an internal combustion engine having a closed pressure chamber defining a volume, to be heated, and a liquid fuel supply system disposed to emit a liquid fuel spray. The closed pressure chamber may be constructed and arranged relative to the heat-transfer surface to establish between the at least one outlet and the heat-transfer surface a mixing domain in which the fuel spray, as it progresses through the volume from the outlet, is substantially heated and vaporized by mixing with re-circulated, heated fuel vapor that previously has moved over and received heat from the heat transfer surface. The fuel vaporizer may be associated with a vapor outflow passage through which pressurized vapor exits the closed pressure chamber for supply to said at least one combustion region. The heat-transfer surface may be arranged to be heated by engine coolant circulating around the exterior of the closed pressure chamber.

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