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:
Apr. 04, 2017
Filed:
May. 28, 2013
Applicants:
Jatco Ltd, Fuji-shi, Shizuoka, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Inventors:
Yoshio Yasui, Machida, JP;
Tomoyuki Mizuochi, Sagamihara, JP;
Seiichiro Takahashi, Isehara, JP;
Takashi Eguchi, Machida, JP;
Yohei Shimokawa, Isehara, JP;
Assignees:
JATCO LTD, Fuji-Shi, JP;
NISSAN MOTOR CO., LTD., Yokohama-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/662 (2006.01); F16H 61/70 (2006.01);
U.S. Cl.
CPC ...
F16H 61/66231 (2013.01); F16H 61/66259 (2013.01); F16H 61/702 (2013.01); F16H 2061/66218 (2013.01); F16H 2061/66295 (2013.01);
Abstract
A transmission controller searches a mechanical High, which is a minimum value of a possible speed ratio of the continuously variable transmission (CVT), based on an actual speed ratio, sets a control High lower than the mechanical High by a predetermined amount, and controls a speed ratio of the CVT by setting a minimum value of a speed ratio range of the CVT at the control High.