Electrically controlled refueling vapor vent shutoff

Details Electrically controlled refueling vapor vent shutoff Electrically controlled refueling vapor vent shutoff

2005-02-15

2005-02-15

Jacyna, J. Casimer (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

C141S002000, C141S052000, C141S059000, C141S308000, C123S519000, C137S588000

Reexamination Certificate

active

06854492

ABSTRACT:
An electrically operated valve is connected in the vapor recirculation line from a float operated vent valve, or a direct vapor recirculation line from the tank top to the upper end of the tank filler tube. The electrically operated valve is actuated by an electronic controller (ECU) which receives a fuel level signal either from the float operated level sender or from a thermistor located in the tank adjacent the top wall of the tank.

REFERENCES:
patent: 4887578 (1989-12-01), Woodcock et al.
patent: 5054528 (1991-10-01), Saitoh
patent: 5263511 (1993-11-01), Ohasi et al.
patent: 6253802 (2001-07-01), Enge
patent: 6269803 (2001-08-01), Corkill
patent: 20010025668 (2001-10-01), Enge
patent: 199 01 080 (2000-07-01), None
patent: 199 56 931 (2001-05-01), None

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