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. 29, 1986
Filed:
Apr. 23, 1984
Applicant:
Inventors:
Mitsuru Nagaoka, Hiroshima, JP;
Kazuya Oda, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74866 ; 7475 / ; 3644241 ;
Abstract
A vehicle automatic transmission including a hydraulic torque converter, a multiple stage gear mechanism and an electronic controller for controlling the gear mechanism to select an appropriate gear stage in accordance with vehicle operating conditions. The electronic controller has a first gear shift control map for controlling the gear mechanism under normal vehicle operations. It further has a second gear shift control map for operations under a traffic jam so that a better fuel economy is established than in an operation under the first map.