Fuel pump module anti-siphon valve

Details Fuel pump module anti-siphon valve Fuel pump module anti-siphon valve

2007-10-23

2007-10-23

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S516000, C137S565220

Reexamination Certificate

active

11377493

ABSTRACT:
A fuel pump system for a fuel tank having a first and a second section has a fuel pump and a jet pump disposed in the first section. The jet pump draws fuel from the second section of the fuel tank through a transfer line and delivers it to the first section of the fuel tank. A check valve is located in the second section of the fuel tank to prohibit flow from the first section to the second section but to allow flow from the second section to the first. In this manner, the fluid is retained within transfer line so that a siphoning action can occur between the second section and the first section of the fuel tank.

REFERENCES:
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patent: 4974570 (1990-12-01), Szwargulski et al.
patent: 5070849 (1991-12-01), Rich et al.
patent: 5170764 (1992-12-01), Tuckey
patent: 5979485 (1999-11-01), Tuckey et al.
patent: 6273131 (2001-08-01), Kleppner
patent: 6505644 (2003-01-01), Coha et al.
patent: 6805106 (2004-10-01), Kumagai et al.
patent: 6871640 (2005-03-01), Atwood et al.
patent: 6907899 (2005-06-01), Yu et al.

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