Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2008-10-08
2009-06-30
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S031000, C701S033000, C701S051000, C477S003000, C477S015000, C180S065800
Reexamination Certificate
active
07555374
ABSTRACT:
A method for detecting speed faults in a hybrid powertrain having engine and electric machine speed inputs includes directly sensing the engine and machine speeds and performing comparisons of sensed engine speed with engine speed determined based upon the machine speeds.
REFERENCES:
patent: 7448981 (2008-11-01), Mashiki
patent: 7481737 (2009-01-01), Tabata et al.
patent: 7487852 (2009-02-01), Leone et al.
patent: 7497803 (2009-03-01), Sah et al.
Naqi Syed
Van Horn Charles J
Wang Wei D.
Wu Peter E.
Bayerishe Motoren Werke Aktiengesellschaft
Camby Richard M.
Chrysler LLC
Daimler AG
GM Global Technology Operations Inc.
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