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Title:
密封装置
Document Type and Number:
Japanese Patent JP7493223
Kind Code:
B2
Abstract:
To provide a seal device which can protect a magnetic encoder while preventing entry of muddy water, etc.SOLUTION: A seal device includes a slinger member fitted to a rotation-side member and a seal member fitted to the fix-side member, the seal device sealing the gap between the fix-side member and the rotation-side member. The slinger member includes: a slinger cylindrical part fitted to the rotation-side member; a slinger flange part radially extending from one end of the slinger cylindrical part; and an annular magnetic encoder provided to the slinger flange part. The seal member includes: a core body fitted to the fix-side member; and a seal lip part fastened to the core body. An outer surface of the magnetic encoder is covered with a cover member fitted to the fix-side member, facing the outer surface, and provided with a gap from the outer surface. The one end of the cover member has a bent part with a labyrinth formed between itself and the one end of the rotation-side member of the magnetic encoder.SELECTED DRAWING: Figure 2

Inventors:
Junpei Zhang
Application Number:
JP2020092898A
Publication Date:
May 31, 2024
Filing Date:
May 28, 2020
Export Citation:
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Assignee:
Uchiyama Industry Co., Ltd.
International Classes:
F16J15/326; F16C33/78; F16C33/80; F16C41/00; F16J15/447; G01P3/487
Domestic Patent References:
JP2010048290A
JP2013079901A
JP2006046493A
JP2001215132A
JP2009138781A
Foreign References:
US20030031391
FR3001509A1
Attorney, Agent or Firm:
Kyomyung International Patent Attorneys Corporation