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Patent Searching and Data


Title:
ACTUATOR AND AIRCRAFT CONTROL SURFACE DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/181365
Kind Code:
A1
Abstract:
The purpose of the present invention is to suppress an increase in pressure of internally contained lubricating oil and to reduce leakage of the lubricating oil. This actuator (1) is provided with: an accumulator (4) which has a gas compartment (5) at the top filled with gas, and in which a lubricating oil is contained under the gas compartment (5); a housing (2) internally provided with the accumulator (4); a shaft (3) of which one end side is contained in the housing (2) and another end side is disposed outside the housing (2), and which is moveable in an axial direction; and an oil seal (15) disposed between a first opening portion (12) which is formed in the accumulator (4) and through which the shaft (3) penetrates and the shaft (3). The housing (2) has formed therein a pipe channel (6) providing communication between a space (23) on the side opposite to the inner side of the accumulator (4) with respect to the oil seal (15) and the gas compartment (5) of the accumulator (4).

Inventors:
MORISAKI Yuki (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
KOMATSU Naotaka (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
SAIKI Yasuhiro (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
OYAMA Kenichi (2-3, Marunouchi 3-Chome, Chiyoda-k, Tokyo 32, 〒1008332, JP)
Application Number:
JP2019/006834
Publication Date:
September 26, 2019
Filing Date:
February 22, 2019
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (2-3 Marunouchi 3-Chome, Chiyoda-ku Tokyo, 32, 〒1008332, JP)
International Classes:
F16H25/24; B64C13/40; F16F9/20; F16F9/32; F16F9/46; F16F15/023; F16H25/20; F16H25/22; H02K7/06; B64C9/00
Foreign References:
JP2007253860A2007-10-04
JPS5234168A1977-03-15
JP2002340131A2002-11-27
JP2014142041A2014-08-07
JP2012132479A2012-07-12
Attorney, Agent or Firm:
FUJITA, Takaharu (37F The Landmark Tower Yokohama, 2-2-1 Minatomirai, Nishi-ku, Yokohama-sh, Kanagawa 37, 〒2208137, JP)
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