Multifunctional valve for the fuel tank of a motor vehicle

Details Multifunctional valve for the fuel tank of a motor vehicle Multifunctional valve for the fuel tank of a motor vehicle

2005-01-11

2005-01-11

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

C137S043000

Reexamination Certificate

active

06840263

ABSTRACT:
Multifunctional valve for the fuel tank of a motor vehicle. In order to fulfill all these requirements in terms of safety and the restriction of emissions with a valve in as simple a way as possible, the closing element (22) can be moved to a limited degree with respect the float (16), is acted on by a first spring (27) and has a small pressure equalization hole (25), an intermediate element (30) is provided on the float (16) and above the closing element (22) and can move to a limited degree with respect to the float (16) in the axial direction and is acted on by a second spring (35), and a seat plate (38) is arranged above the intermediate element (30) and is pressed downward against a second seat (43) by a third spring (39).

REFERENCES:
patent: 5590697 (1997-01-01), Benjey et al.
patent: 6085771 (2000-07-01), Benjey et al.
patent: 6719000 (2004-04-01), Forsythe et al.

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