Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Reexamination Certificate
2008-09-24
2011-11-22
Hellner, Mark (Department: 3663)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
C701S061000, C701S062000, C701S063000, C701S067000, C477S155000, C477S144000, C477S098000, C477S034000, C477S037000, C307S009100, C307S010100, C307S010600
Reexamination Certificate
active
08065064
ABSTRACT:
An automatic transmission calculates a current thermal load state of the frictional element, predicts (S24, 531), prior to the start of the shift, a heat generation amount of the frictional element during the shift, predicts (S25, S32) a thermal load state of the frictional element upon shift completion on the basis of the current thermal load state and the predicted heat generation amount, and when the predicted thermal load state upon shift completion is inside a predetermined region, either performs (S28, S38) the shift after modifying a shift mode such that the heat generation amount of the frictional element is smaller than that of a case in which the predicted thermal load state upon shift completion is outside the predetermined region, or prohibits (S39) the shift, wherein the predetermined region is set at a different region depending on whether the shift is an upshift or a downshift.
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Ikeda Tomomasa
Kawakami Hiroki
Foley & Lardner LLP
Hellner Mark
Jatco Ltd
Mawari Redhwan k
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