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US 10,487,891 B2Granted
Temperature based clutch control
AssigneeFord Global Technologies, LLC
InventorsWalter Joseph Ortmann, Bernard D. Nefcy, Todd McCullough, Christopher Alan Lear, Daniel Scott Colvin
Life of this patent
Estimating the term…
Abstract
A vehicle includes a clutch to couple a motor and transmission, and a controller that, in response to a regenerative braking request and a temperature being within a first range, partially capacitizes the clutch for regenerative torque transfer therethrough with slip, and in response to another regenerative braking request and the temperature being within a second range less than the first, fully capacitizes the clutch prior to regenerative torque transfer therethough to preclude slip.
Claims8
A vehicle comprising:
- a clutch to couple a motor and transmission;
- and
- a controller programmed to, in response to a regenerative braking request and an ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a first range, partially capacitize the clutch for regenerative torque transfer therethrough with slip, and in response to another regenerative braking request and the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a second range less than the first, fully capacitize the clutch prior to regenerative torque transfer therethough to preclude slip.
A vehicle comprising:
- a clutch configured to couple a motor and transmission;
- and
- a controller programmed to, in response to an. ambient. engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a first range, partially capacitize the clutch during propulsive torque transfer therethrough, and in response to regenerative braking request and the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a second range less than the first, fully capacitize the clutch prior to regenerative torque transfer therethough.
Dependencies are inferred from the claim text.