公开(公告)号：US09726204B2

公开(公告)日：2017-08-08

申请号：US14562179

申请日：2014-12-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Masato Kajinami ,  Fumitaka Moroishi ,  Keiji Murata ,  Shinji Ueyama ,  Tatsuya Ishimoto ,  Yoshiaki Yukimori

IPC: F01B31/12 ,  F15B15/08 ,  F15B15/28 ,  F15B15/06 ,  F15B15/14

CPC classification number: F15B15/088 ,  F15B15/063 ,  F15B15/1452 ,  F15B15/1461 ,  F15B15/2846 ,  F15B15/2876 ,  F15B2211/6336 ,  F15B2211/665 ,  F15B2211/6651 ,  F15B2211/8855

Abstract: A fluid pressure actuator including a fluid pressure cylinder having a first position detector and a second position detector, a piston body having a piston head and a rod, the piston head mounted on the rod and slidably accommodated in the fluid pressure cylinder, the rod including a first scale and a second scale, the first scale facing the first position detector and the first position detector configured to detect a position in a sliding direction of the piston body, the second scale facing the second position detector and the second position detector configured to detect a position of the rod in a rotation direction of the piston body, and a controller configured to perform a first positioning control of a position of the rod in the sliding direction and a second positioning control of the rod in the rotation direction may be provided.