Fuel tank float arm assembly

Details Fuel tank float arm assembly Fuel tank float arm assembly

2006-06-07

2008-12-23

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Float

C073S317000

Reexamination Certificate

active

07467550

ABSTRACT:
The invention concerns a float arm assembly for use in a vehicle fuel tank and a method of operating the float arm assembly to determine a level of fuel in the tank. First and second resistor cards are electrically connected in series and each includes a pivoting float arm with a float attached to an end. The first and second resistor cards, with separate floats allow the fuel level to be more accurately determined, especially in fuel tanks with complex contours and indentations in the tank wall that create dead bands in a single float type of arrangement.

REFERENCES:
patent: 4870861 (1989-10-01), Ohtani et al.
patent: 5341679 (1994-08-01), Walkowski et al.
patent: 6326895 (2001-12-01), Hartke et al.
patent: 6658934 (2003-12-01), Housey et al.
patent: 6711950 (2004-03-01), Yamaura et al.
patent: 2005/0103103 (2005-05-01), Newman et al.

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