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:
Jan. 12, 1988
Filed:
Aug. 04, 1986
Applicant:
Inventors:
Cristoforo Fanti, Milan, IT;
Gianclaudio Travaglio, Arese, IT;
Luciano Ferrario, Rho, IT;
Saverio Moscatelli, Milan, IT;
Assignee:
Alfa Romeo Auto S.p.A., Naples, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ; B60K / ;
U.S. Cl.
CPC ...
180233 ; 3644241 ;
Abstract
A control device for a vehicle with a disengageable four-wheel drive which has two differentials. The control device has a number of sensor means and a comparator means by which the speed of the vehicle; position of the accelerator and brake pedals; and a predetermined value are compared. In response to the comparison, the control device selectively and automatically engages and disengages the vehicle's four-wheel drive mode.