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:
May. 29, 2001
Filed:
Mar. 29, 1999
Applicant:
Inventors:
Michael J. Lehman, Fort Wayne, IN (US);
Burnell L. Bender, Woodburn, IN (US);
Assignee:
Navistar International Transportation Corp., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 1/706 ;
U.S. Cl.
CPC ...
B60K 1/706 ;
Abstract
A circuit for the electrical system of an automotive vehicle, such as a truck, interfaces a two-speed axle selector switch (,) and a two-speed axle solenoid (,) with the vehicle ignition, or key, switch (,), the vehicle brake actuation switch (,), and the vehicle transmission neutral switch (,) to allow the axle to be shifted between its two speed ranges under certain conditions and to disallow such shifting under other conditions. The circuit includes a high range relay (,), a high range enable relay (,), a high range disable relay (,), and a low range relay (,).