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:
Jun. 19, 2001
Filed:
Jan. 25, 1999
Applicant:
Inventors:
Naoki Yamada, Aichi-ken, JP;
Toshiaki Ishiguro, Aichi-ken, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 ;
U.S. Cl.
CPC ...
G06F 7/00 ;
Abstract
A vehicle weight and a road surface gradient are estimated based on driving torque values and vehicle acceleration values when specific behavior occurs in a vehicle. Resulting estimation values are used for vehicle controls such as an engine control, an auxiliary brake control, and a transmission control.