System and method for filling torque converter with fluid
AssigneeFord Global Technologies, LLC
InventorsKendrick Morrison, Timothy Fedullo
Life of this patent
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Abstract
A vehicle includes a transmission having a torque converter, a device configured to generate line pressure, and at least one fluid path connecting the device in fluid communication with the torque converter. A controller is programmed to, responsive to an engine-off time exceeding a threshold and a parameter indicative of departure being present, command the device to generate line pressure so that fluid is supplied to the torque converter. The device may be a transmission pump or an accumulator.
Claims20
A method of refilling a torque converter of a vehicle comprising:
- via a controller:
- responsive to an engine-off time exceeding a threshold and a parameter indicative of departure being present, filling the torque converter with fluid.
A vehicle comprising:
- a transmission including a torque converter, a valve body, and first and second fluid paths connecting between the torque converter and the valve body;
- and
- a controller programmed to, responsive to engine-off time exceeding a threshold, supply fluid to the torque converter via the first fluid path, and, responsive to the engine-off time being less than the threshold, supply fluid to the torque converter via the second fluid path.
A vehicle comprising:
- a transmission including a torque converter, a device configured to generate line pressure, and at least one fluid path connecting the device in fluid communication with the torque converter;
- and
- a controller programmed to, responsive to an engine-off time exceeding a threshold and a parameter indicative of departure being present, command the device to generate line pressure so that fluid is supplied to the torque converter.
Dependencies are inferred from the claim text.