Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2006-07-04
2006-07-04
Hernandez, Olga (Department: 2144)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S051000, C180S337000
Reexamination Certificate
active
07072748
ABSTRACT:
A method and apparatus for diagnosing a failure of an output shaft speed sensor of an automatic transmission is provided, which comprises: determining whether a current transmission is a forward driving range; determining whether a failure criterion exists based on a current gear, an input shaft speed, an output shaft speed, and an engine speed, if the current transmission is the forward driving range; and maintaining the current gear if a downshift criterion exists, or upshifting a gear if a upshift criterion exists, if the failure criterion exists.
REFERENCES:
patent: 5682792 (1997-11-01), Liesener et al.
patent: 6223113 (2001-04-01), McCunn et al.
patent: 6240365 (2001-05-01), Bunn
patent: 19548432 (1996-07-01), None
patent: 59-133855 (1984-08-01), None
patent: 62-004948 (1987-01-01), None
patent: 02-089857 (1990-03-01), None
patent: 03-219165 (1991-09-01), None
patent: 10-205614 (1998-08-01), None
patent: 11-280883 (1999-10-01), None
patent: 2001-330144 (2001-11-01), None
Hernandez Olga
Hyundai Motor Company
Morgan & Lewis & Bockius, LLP
LandOfFree
Method for diagnosing a failure of an output shaft speed... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for diagnosing a failure of an output shaft speed..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for diagnosing a failure of an output shaft speed... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3569342