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:
Sep. 10, 1985
Filed:
Jul. 06, 1981
Masaaki Suga, Yokohama, JP;
Yoshiro Morimoto, Yokosuka, JP;
Hideo Hamada, Yokosuka, JP;
Masaaki Futagi, Yokosuka, JP;
Tadashi Suzuki, Yokosuka, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A lock-up control system for a lock-up type automatic transmission of an automotive vehicle. The lock-up control system functions to temporally release lock-up operation of a torque converter of the transmission upon occurrence of a gear shift signal even if the automotive vehicle is operating within any one of lock-up ranges. Gear shifting detector means generates a gear shift signal having a time duration which is variable corresponding to the time duration of a corresponding gear shifting operation. The duration of the gear shift signal generated by the gear shifting signal may also be variable also with the magnitude of engine load.