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Title:
FLUID DAMPER DEVICE AND DAMPER-EQUIPPED APPARATUS
Document Type and Number:
Japanese Patent JP2017133667
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fluid damper device that can effectively suppress leakage of fluid between a bottom wall of a case and a rotor when the rotor is rotated in a direction in which a load occurs, and a damper-equipped apparatus including the fluid damper device.SOLUTION: A fluid damper device 10 includes a cylindrical case 20 having a bottom wall, and a rotor 30 in which valve bodies 50 are supported on an outer circumferential side of a rotating shaft 40. A damper chamber 11 defined by the case 20 and the rotor 30 is filled with a fluid 12. The rotor 30 has a first rib 58 on a first end surface 57 that is an end surface of the valve body 50 facing the bottom wall, and the first rib 58 includes a valve body-side first extension portion 581 that extends in a radial direction. Thus, a gap between the bottom wall of the case 20 and the valve body 50 can be sufficiently narrowed in a direction of a central axis L of the rotating shaft 40.SELECTED DRAWING: Figure 5

Inventors:
MIHARA NAOYA
Application Number:
JP2016016185A
Publication Date:
August 03, 2017
Filing Date:
January 29, 2016
Export Citation:
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Assignee:
NIDEC SANKYO CORP
International Classes:
F16F9/14; A47K13/12; E05D7/086; F16J15/18
Attorney, Agent or Firm:
Toru Kawai
Shin Kodaira
Kawaguchi Nobuko