Title:
CLUTCH ACTUATOR WITH CAM SLIDER DECELERATION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/107874
Kind Code:
A1
Abstract:
Disclosed herein is a clutch actuator with cam slider deceleration structure, which includes a lead screw rotated by a drive motor, a nut slider engaged to the lead screw and movably installed in a rectilinear direction relative to a housing, a cam slider movably installed in a direction of operation of a hydraulic cylinder by interlocking through contact with the nut slider, a roller unit installed to the nut slider to come into rolling contact with a contact surface of the cam slider, a guide unit for guiding the movement of the cam slider in the direction of operation of the hydraulic cylinder, and a push rod installed to the cam slider to press a piston of the hydraulic cylinder. It is possible to obtain a constant reduction ratio or variably controlling a reduction ratio according to the setting of a profile of the contact surface of the cam slider in contact with the nut slider.
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Inventors:
LEE HEE RAK (KR)
NA JU HYUNG (KR)
NA JU HYUNG (KR)
Application Number:
PCT/KR2018/014714
Publication Date:
June 06, 2019
Filing Date:
November 27, 2018
Export Citation:
Assignee:
PYONG HWA VALEO CO LTD (KR)
International Classes:
F16D23/12
Foreign References:
| KR20070037193A | 2007-04-04 | |||
| KR101526789B1 | 2015-06-12 | |||
| EP2336587B1 | 2013-01-23 | |||
| KR101489498B1 | 2015-02-06 | |||
| KR970045986A | 1997-07-26 |
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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