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:
Mar. 04, 2008
Filed:
Mar. 14, 2005
Applicant:
Azusa Shimoda, Aichi, JP;
Inventor:
Azusa Shimoda, Aichi, JP;
Assignee:
Jatco Ltd, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 61/662 (2006.01);
U.S. Cl.
CPC ...
Abstract
In shift control apparatus and method for a belt-type continuously variable transmission, a shift ratio between the primary pulley and the secondary pulley is controlled, a shift speed is detected, the shift speed being a variation quantity of the shift ratio per unit of time; and an advance of the shift ratio control is suppressed to suppress the shift speed when a magnitude of the shift speed is equal to or larger than a predetermined value and a suppression quantity is set to suppress the advance of the shift ratio control so as to suppress the shift speed.