The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 2021

Filed:

Oct. 21, 2020
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Dong Joo Lee, Suwon-si, KR;

Myoung Soo Park, Hwaseong-si, KR;

Jeong Heon Kam, Seongnam-si, KR;

Han Ki Hong, Seongnam-si, KR;

Hongsuk Suh, Hanam-si, KR;

Hosung Kim, Hwaseong-si, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 48/02 (2006.01); F16D 48/06 (2006.01); F16D 121/04 (2012.01); F16D 125/28 (2012.01);
U.S. Cl.
CPC ...
F16D 48/02 (2013.01); F16D 48/066 (2013.01); F16D 2048/0212 (2013.01); F16D 2048/0218 (2013.01); F16D 2121/04 (2013.01); F16D 2125/28 (2013.01); F16D 2500/1024 (2013.01); F16D 2500/1026 (2013.01); F16D 2500/1083 (2013.01); F16D 2500/3026 (2013.01); F16D 2500/31413 (2013.01); F16D 2500/31466 (2013.01); F16D 2500/7061 (2013.01); F16D 2500/70406 (2013.01);
Abstract

In a method for controlling a clutch actuator for an automated manual transmission, when a driver's operation signal is input for operation of the clutch actuator, the hydraulic pressure of a hydraulic chamber of the clutch actuator forms pressure equilibrium with the atmospheric pressure through a pressure equilibrium control by standing by at a control-standby state before an actual stroke position of the clutch actuator enters a hydraulic pressure generation range from a hydraulic pressure release range. When the actual stroke position of the clutch actuator enters the hydraulic pressure generation range from the hydraulic pressure release range, the clutch actuator is moved to the predetermined stroke position by a predetermined operation speed, and then controlled to follow the driver's operation signal.


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