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. 31, 2009
Filed:
Mar. 29, 2005
Hideki Oshita, Fuji, JP;
Hiroyasu Tanaka, Fuji, JP;
Takuichiro Inoue, Fuji, JP;
Masahiro Yamamoto, Fuji, JP;
Kousuke Abe, Fuji, JP;
Hideki Oshita, Fuji, JP;
Hiroyasu Tanaka, Fuji, JP;
Takuichiro Inoue, Fuji, JP;
Masahiro Yamamoto, Fuji, JP;
Kousuke Abe, Fuji, JP;
JATCO Ltd, , JP;
Abstract
When gear ratio is abnormally increased due to failure of a secondary pulley rotation sensor or slip in a V belt, demand torque of an engine is rapidly reduced, and after upper limit regulation of a target secondary pulley pressure is performed for a second predetermined time, control of the target secondary pulley pressure according to an output torque of the engine is performed. Thereby, since an actual torque of the engine does not exceed a belt capacity capable of holding a belt by a secondary pulley pressure which is actually generated, when the secondary pulley rotation sensor fails, no slip occurs in the V belt.