Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/090180
Kind Code:
A1
Abstract:
Provided is a sealing device in which the eccentricity of a rotating shaft can be prevented without providing a bearing separately from the sealing device. This sealing device is provided with: a metal ring 110 having a circular cylindrical section 111 and an inward facing flange section 112 which is provided at an end of the circular cylinder section 111; a resin seal 120 which is configured from a plate-shaped annular resin member, has an outer peripheral side affixed to the metal ring 110, and has an inner peripheral side in close slidable contact with the outer peripheral surface of a rotating shaft while being deformed so as to be bent toward a region to be sealed; a plate spring 130 which is configured from a plate-shaped annular metal member, has an outer peripheral side affixed to the metal ring 110, has an inner peripheral side deformed so as to be bent along the resin seal 120, and presses radially inward the inner peripheral side of the resin seal 120; and a metal slide bearing 140 sandwiched between the resin seal 120 and the inward facing flange section 112 and provided so as to be slidable on the outer peripheral surface of the rotating shaft.
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Inventors:
EGUCHI NOBUYUKI (JP)
Application Number:
PCT/JP2019/030749
Publication Date:
May 07, 2020
Filing Date:
August 05, 2019
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/3204; F02M26/11; F02M26/70; F16J15/3212; F16J15/3224; F16J15/3228; F16J15/3252
Foreign References:
| JP2015203491A | 2015-11-16 | |||
| JPS5281561U | 1977-06-17 | |||
| JP2018004030A | 2018-01-11 | |||
| JP2006300191A | 2006-11-02 | |||
| JP2002323139A | 2002-11-08 | |||
| JPH0413867U | 1992-02-04 | |||
| JPH10204652A | 1998-08-04 | |||
| JP2015203491A | 2015-11-16 |
Other References:
See also references of EP 3875810A4
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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