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:
Nov. 25, 2003
Filed:
May. 08, 2001
Jun Sugihara, Yokosuka, JP;
Toshikazu Oshidari, Yokosuka, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A speed change control system is equipped with a feedback mechanism which feeds back the gyration angle of a power roller and the axial displacement of the power roller, to a speed change control valve ( ) via a speed change link ( ). The feedback mechanism comprises a cam plate ( ) which outputs a feedback amount according to the gyration angle of the power roller, an L-shaped link ( ) which outputs a feedback amount according to the axial displacement of the power roller, and a feedback link ( ) connected to the cam plate ( ) and L-shaped link ( ), and connected to the speed change link ( ). The feedback gain of the feedback amount according to the axial displacement of the power roller due to the L-shaped link ( ), is varied according to the gyration angle of the power roller.