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:
Jul. 17, 2001
Filed:
Jun. 20, 2000
Applicant:
Inventor:
Hyun-Soo Shim, Kunpo, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/00 ; G06F 1/700 ; G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 7/00 ; G06F 1/700 ; G06F 1/900 ;
Abstract
Disclosed is a fail-safe control method for an automatic transmission having a one-way clutch comprising the steps of determining if shifting into a drive D range is completed; determining if synchronization into a first speed has occurred; and determining if roll-over of a one-way clutch has occurred, and if it has, controlling a friction element of a hydraulic control system so that forced shifting into the first speed is performed.