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US 10,788,096 B2Granted
Apparatus and method for fixing sticking damper clutch
AssigneeHyundai Autron Co., Ltd.
InventorHyeong-tak Lee
Life of this patent
Estimating the term…
Abstract
An apparatus for fixing a sticking damper clutch may include: a transmission controller configured to determine whether a damper clutch sticks, using engine controller information received from an engine controller and damper clutch status information of the damper clutch; and a hydraulic pressure controller configured to fix the sticking damper clutch according to the determination result of the transmission controller.
Claims16
An apparatus for fixing a sticking damper clutch, comprising:
- a transmission controller, the transmission controller determines whether a damper clutch sticks, using engine controller information received from an engine controller and damper clutch status information of the damper clutch,
- wherein the transmission controller comprises a sticking determination unit and the sticking determination unit determines whether the damper clutch sticks, wherein the sticking determination unit determines whether a state in which a difference between an actual engine RPM and a target engine RPM calculated through information on whether an air conditioner is operated or the pressure of air flowing into an engine is equal to or more than a preset threshold engine RPM is maintained for a preset threshold time or more;
- and
- a hydraulic pressure controller, the hydraulic pressure controller fixes the sticking damper clutch according to the determination result of the transmission controller.
1 more element
A method for fixing a sticking damper clutch, comprising:
- determining, by a transmission controller, whether a preset sticking occurrence environment condition is satisfied, based on gear shifting information and vehicle velocity sensed by a vehicle velocity sensor;
- determining, by the transmission controller, whether a damper clutch sticks, depending on whether the sticking occurrence environment condition is satisfied, wherein the transmission controller determines whether a state in which a difference between an actual engine RPM and a target engine RPM calculated through information on whether an air conditioner is operated or the pressure of air flowing into an engine is equal to or more than a preset threshold engine RPM is maintained for a preset threshold time or more;
- and
- fixing, by a hydraulic pressure controller, the sticking damper clutch according to the determination result of the transmission controller.
1 more element
A method for fixing a sticking damper clutch, comprising:
- determining, by a transmission controller, whether oil temperature falls within a preset oil temperature range;
- determining, by the transmission controller, whether a damper clutch operates, when the oil temperature falls within the oil temperature range;
- determining, by the transmission controller, whether a slip amount of the damper clutch is equal to or less than a preset threshold slip amount, when the damper clutch does not operate;
- determining, by the transmission controller, whether an accelerator pedal amount is equal to or more than a preset threshold accelerator pedal amount, when the slip amount of the damper clutch is equal to or less than the threshold slip amount;
- determining, by the transmission controller, whether a state in which a difference between an actual engine RPM and a target engine RPM calculated through information on whether an air conditioner is operated or the pressure of air flowing into an engine is equal to or more than a preset threshold engine RPM is maintained for a preset threshold time or more, when the accelerator pedal amount is equal to or less than the threshold accelerator pedal amount;
- and
- determining, by the transmission controller, that the damper clutch sticks, when the state in which the difference between the actual engine RPM and the target engine RPM calculated through the information on whether the air conditioner is operated or the pressure of air flowing into the engine is equal to or more than the threshold engine RPM is maintained for the threshold time or more;
- and
- fixing, by a hydraulic pressure controller, the sticking damper clutch according to the determination result of the transmission controller.
6 more elements
Dependencies are inferred from the claim text.