Fuel feed system

Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system

Reexamination Certificate

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Details

C123S495000

Reexamination Certificate

active

06913002

ABSTRACT:
A fuel feed system for an internal combustion engine includes a fuel tank for accumulating fuel, a fuel/air switchable pump for sucking and discharging accumulated fuel and air outside the fuel tank, a first device that allows accumulated fuel to be discharged to the engine, a second device that allows outside air to be sucked into the fuel tank, and an ECU for controlling the switchable pump.

REFERENCES:
patent: 5881700 (1999-03-01), Gras et al.
patent: 5975062 (1999-11-01), Bonse et al.
patent: 6067967 (2000-05-01), Kidokoro et al.
patent: 6695895 (2004-02-01), Hyodo et al.
patent: 6-10777 (1994-01-01), None

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