Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Reexamination Certificate
2004-09-07
2011-10-25
Verbitsky, Gail (Department: 2855)
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
C374S102000, C374S057000, C374S163000, C374S183000, C702S185000, C701S034000
Reexamination Certificate
active
08042998
ABSTRACT:
A method for detecting a fault of an oil temperature sensor of an automatic transmission by using a determining means for detecting the fault of the oil temperature sensor. The method includes any one or more of the steps of 1) determining the fault of the oil temperature sensor by comparing minimum and maximum output values of the oil temperature sensor in every driving mode, 2) determining the fault of the oil temperature sensor by detecting abnormal excessive increase and decrease of the oil temperature for a specific duration, 3) determining the fault the oil temperature sensor in the stuck state in the driving mode when transmission oil temperature increases, and 4) determining the fault of the oil temperature sensor by detecting the oil temperature exceeding a predetermined temperature based on the time when the engine is left at a stopped state.
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Cho Sung-Teag
Choi Young-Sun
Kim Hyong-Kyu
Sim Jang-Sun
Yoon Yoon-Sang
Kefico Corporation
Merchant & Gould P.C.
Verbitsky Gail
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