Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2006-03-10
2011-10-25
Keith, Jack (Department: 3663)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
C701S036000, C417S001000, C417S013000, C417S014000, C417S281000, C165S200000, C165S266000
Reexamination Certificate
active
08046126
ABSTRACT:
The start control is repeatedly performed for an oil pump that pressure feeds the flow of oil in a motor cooling system. This control is repeated for every specified rise in motor temperature (e.g., every 10° C.) from an initial starting temperature. This arrangement increases the potential for a successful start-up of the oil pump even when the oil has a high viscosity due to a relatively low outside air temperature. In the event of a failed start-up of the oil pump by repeated starting, the start control determines an abnormality exists in the oil pump or its power supply if an outside air temperature is greater than a reference temperature. This arrangement effectively eliminates incorrect detection of an abnormality in the oil pump or its power supply.
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Tsuchie Tetsuhiro
Yanagida Eiji
Aisin Aw Co. Ltd.
Dager Jonathan M
Keith Jack
Kenyon & Kenyon LLP
Toyota Jidosha & Kabushiki Kaisha
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