Title:
An underwater coupling joint, a stream dynamo
Document Type and Number:
Japanese Patent JP6244609
Kind Code:
B2
Abstract:
A coupling joint includes: joint member which has gear teeth; a center tube which has gear teeth meshing with the gear teeth, and through which a rotational force is transmitted between the joint member via the gear teeth and the gear teeth; a seal member which blocks a lubricated space including a meshing portion of the gear teeth and the gear teeth from the outside between the joint member and the center tube; a lubricant which fills the lubricated space; and a pressure-equalizing member which is provided to face a part of the lubricated space, changes the volume of the lubricated space by deforming in accordance with the pressure of the outside, and thereby equalizes the pressure of the lubricant and the pressure of the outside.
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Inventors:
Akihiko Umeda
Shin Asano
Yoshitomo Noda
Shin Asano
Yoshitomo Noda
Application Number:
JP2015028495A
Publication Date:
December 13, 2017
Filing Date:
February 17, 2015
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F16D3/18; F03B13/10; F16D3/84; F16J3/04; F16J15/52
Domestic Patent References:
| JP2006144965A | ||||
| JP2011021619A | ||||
| JP2008099373A | ||||
| JP2007239878A | ||||
| JP2005331018A |
Attorney, Agent or Firm:
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma