Thermal measuring and testing – Thermal calibration system
Reexamination Certificate
2006-12-12
2006-12-12
Verbitsky, Gail (Department: 2859)
Thermal measuring and testing
Thermal calibration system
C374S144000, C702S116000, C701S034000
Reexamination Certificate
active
07147366
ABSTRACT:
The rationality of a measured temperature of transmission fluid is assessed by comparing it to an engine coolant temperature. The rationality assessment is enabled when the ambient air temperature is reliably determined and deemed normal, a sufficient soak condition is confirmed, and the measured temperature, the engine temperature and the ambient air temperature are all within prescribed ranges. The rationality assessment monitors the ambient temperature relative to the initial engine temperature during the assessment period, and the assessment is disabled if the ambient air temperature deviates from the initial engine temperature by more than a calibrated value.
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Melby Steve L.
Simpson Kenneth M.
Delphi Technologies Inc.
Jagan Mirellys
Marshall Paul L.
Verbitsky Gail
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