Patent ID: 6571626
Filing Date: 2003-06-03
Classification: G01F

Abstract:
A fuel level sensor for use in a vehicle fuel tank, comprising:an elongated electrical circuit extending in a vertical direction and having a plurality of series connected resistors and a plurality of magnetically activated switches, said switches being located at various axial positions along said electrical circuit, being oriented at a slight angle with respect to the vertical direction, and being connected between two of said resistors at one end and a common node at the other end, an elongated housing surrounding said electrical circuit, and a float assembly including at least one magnet, with said float assembly surrounding a segment of said housing and said float assembly and said at least one magnet being freely rotatable about said housing and vertically movable along said housing according to the fuel level in the fuel tank, wherein said magnet(s) is oriented such that it is capable of activating each of said switches from any angular orientation of said float assembly relative to said housing.