Fuel delivery unit

Details Fuel delivery unit Fuel delivery unit

2006-05-02

2006-05-02

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S497000

Reexamination Certificate

active

07036488

ABSTRACT:
The invention relates to a fuel delivery unit (2) that is disposed in the fuel tank (1) of a motor vehicle, the delivery unit comprising a level sensor (13) that detects when the amount of fuel in a surge chamber (3) falls below a minimum amount. When the fuel in the surge chamber (3) falls below a defined minimum, the supply of power to a delivery pump (4) that is driven by an electromotor is interrupted, thereby preventing the delivery pump (4) from delivering air when the surge chamber (3) is empty.

REFERENCES:
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patent: 4441860 (1984-04-01), Tsujimoto
patent: 4974570 (1990-12-01), Szwargulski et al.
patent: 5080077 (1992-01-01), Sawert et al.
patent: 5887617 (1999-03-01), Frank
patent: 5979485 (1999-11-01), Tuckey et al.
patent: 44 35 508 (1996-04-01), None
patent: 195 47 097 (1997-06-01), None
patent: 02157468 (1990-06-01), None

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