The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1998
Filed:
Sep. 27, 1995
Robert Duane Gaston, Dearborn Heights, MI (US);
Narayanaswamy Rajendran, Canton, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
In one embodiment of the present invention, a fluid level sensor includes a resistive element and a float coupled to a contact. The float moves in response to the fluid level, causing the contact to follow a path on the resistive element. The resistive element includes a layer of resistive material disposed on an insulating substrate. The resistive element also includes a layer of conductive material disposed on the layer of resistive material. The conductive material is disposed in segments along the path followed by the contact. This embodiment of the present invention provides a high-durability fluid level sensor which further provides low electrical noise.