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Patent Searching and Data


Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2017/170539
Kind Code:
A1
Abstract:
Provided is an actuator for generating thrust by means of gas supplied thereto. The actuator is provided with: a cylinder into which gas is supplied; a piston reciprocating within the cylinder; and a gas chamber formed within the cylinder. The gas chamber has: a first gas chamber capable of being maintained under vacuum; and a second gas chamber and a third gas chamber, to which gas is supplied and which reciprocate the piston in response to the supply. A communication passage for providing communication between the front end section of the piston and the first gas chamber is formed within the piston.

Inventors:
SHINOHIRA Daisuke (19, Natsushima-cho, Yokosuka-sh, Kanagawa 55, 〒2378555, JP)
YANAGAWA Atsushi (19, Natsushima-cho, Yokosuka-sh, Kanagawa 55, 〒2378555, JP)
NAGAI Yuji (19, Natsushima-cho, Yokosuka-sh, Kanagawa 55, 〒2378555, JP)
Application Number:
JP2017/012620
Publication Date:
October 05, 2017
Filing Date:
March 28, 2017
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD. (1-1 Osaki 2-chome, Shinagawa-ku Tokyo, 25, 〒1416025, JP)
International Classes:
F15B15/14; B25J15/06
Foreign References:
JP2001047385A2001-02-20
JP2012143861A2012-08-02
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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