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:
Aug. 22, 1995
Filed:
May. 26, 1993
Mitsuru Takada, Aichi, JP;
Hiroshi Okano, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A control apparatus of an air fuel ratio in a vehicle equipped with an automatic transmission on which an engine which can set up a plurality of output characteristics by varying the air fuel ratio, and an automatic transmission which sets up the pressure adjustment level of a hydraulic pressure supplied to a frictional engagement device in accordance with the maximum output characteristic of the aforementioned engine, are mounted, providing: a gear shift stage detector which detects the gear shift stage set up by the automatic transmission; and an air fuel ratio adjuster means which allows the set up of the air fuel ratio so that the output characteristic of the engine becomes the lower output characteristic than the maximum output characteristic where the detected gear shift stage is the highest gear stage.