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Patent Searching and Data


Title:
SEALING DEVICE AND SEALING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/172036
Kind Code:
A1
Abstract:
This sealing device disposed between an inner member and an outer member, which rotate relative to each other, and sealing the gap between the inner member and the outer member is provided with a first seal member which is mounted to the outer member, and a second seal member which is mounted to the inner member. A plurality of water discharge protrusions are supported on the first sealing member and/or the second sealing member. The plurality of water discharge protrusions protrude into a space located between an annular portion of the first seal member and a flange portion of the second seal member, and are arranged in a circumferential direction. Each of the water discharge protrusions has a sloped side surface which intersects at an acute angle the direction in which the inner member and/or the outer member rotates.

Inventors:
ARAI Hidenori (8 Aza Tsuzukibori, Nagaikawa, Fukushima-sh, Fukushima 93, 〒9601193, JP)
HANADA Yuki (4-3-1 Tsujidoshinmachi, Fujisawa-sh, Kanagawa 42, 〒2510042, JP)
SAKANO Yuya (8 Aza Tsuzukibori, Nagaikawa, Fukushima-sh, Fukushima 93, 〒9601193, JP)
Application Number:
JP2019/007515
Publication Date:
September 12, 2019
Filing Date:
February 27, 2019
Export Citation:
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Assignee:
NOK CORPORATION (12-15, Shiba Daimon 1-chome Minato-k, Tokyo 85, 〒1058585, JP)
International Classes:
F16J15/3256; F16C19/16; F16C33/78; F16J15/3232; F16J15/3284
Foreign References:
JP2017223257A2017-12-21
JP2015232365A2015-12-24
JP2015155709A2015-08-27
Attorney, Agent or Firm:
KONISHI Kay et al. (2-21-8, Akasaka Minato-k, Tokyo 52, 〒1070052, JP)
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