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US 2025/0069453 A1Published application
Hydraulic clutch actuator filling check method and apparatus
AssigneesHyundai Motor Company, Kia Corporation
InventorsDong Joo Lee, Ho Sung Kim, Jeong Heon Kam, Hong Suk Suh, Sung Hoon Park
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Abstract
Provided is a method and apparatus for checking the oil filling of an electronic clutch provided in a vehicle transmission. This approach determines the presence of air inside a hydraulic cylinder or clutch tube based on the current value profile generated when a piston of a hydraulic actuator is driven, without a separate air detection device.
Claims20
A method of bleeding air trapped in a hydraulic clutch, the method comprising:
- checking a current value profile obtained when a piston in the hydraulic clutch is driven;
- and
- performing air bleeding based on a result of the checking the current value profile.
An apparatus for bleeding air trapped in a hydraulic clutch, the apparatus comprising:
- a check performing unit configured to check a current value profile obtained when a piston in the hydraulic clutch is driven;
- air bleeding performing unit configured to perform air bleeding based on a result of the checking the current value profile.
Dependencies are inferred from the claim text.