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:
Jul. 09, 2013
Filed:
Apr. 16, 2008
Yuuki Shiozawa, Isehara, JP;
Masaaki Nawano, Yokosuka, JP;
Hiroshi Mouri, Yokohama, JP;
Masatsugu Yokote, Yokohama, JP;
Masahiro Kubota, Yokohama, JP;
Kenichi Seki, Sagamihara, JP;
Yuuki Shiozawa, Isehara, JP;
Masaaki Nawano, Yokosuka, JP;
Hiroshi Mouri, Yokohama, JP;
Masatsugu Yokote, Yokohama, JP;
Masahiro Kubota, Yokohama, JP;
Kenichi Seki, Sagamihara, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
Apparatus for estimating a ground contact surface gripping characteristic of a vehicle wheel of a vehicle comprises an input section and an output section. The input section sets an input representing a ratio of a wheel force acting on the vehicle wheel in the ground contact surface, and a wheel slipping degree of the vehicle wheel. The output section determines, from the input, an output representing a grip characteristic parameter indicative of the gripping characteristic of the vehicle wheel.