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:
Oct. 14, 2008
Filed:
Aug. 19, 2005
Yasuhiko Sugo, Saitama-ken, JP;
Jiro Hara, Saitama-ken, JP;
Yasuhiko Sugo, Saitama-ken, JP;
Jiro Hara, Saitama-ken, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A driving force control apparatus for a four-wheel drive vehicle is provided for stably launching the vehicle irrespective of whichever condition of a road surface and whether or not a road is gradient. In the driving force control apparatus for a four-wheel drive vehicle configured to transmit a driving force of a prime mover directly to a left and a right main driving wheel and to a left and a right sub-driving wheel through a clutch, rotational speed sensors detect the rotational speed of the respective main driving wheels and sub-driving wheels, a 2/4 WD•ECU sets a fastening force of the clutch in accordance with a difference between the detected rotational speeds of the main driving wheels and the sub-driving wheels, determines that the four-wheel drive vehicle is in a slip stop state when at least one of the detected rotational speeds of the wheels is equal to or lower than a predetermined rotational speed, and corrects the clutch for the set fastening force when it determines that the four-wheel drive vehicle is in the slip stop state.