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Title:
FLUID DAMPER DEVICE, EQUIPMENT WITH DAMPER AND MANUFACTURING METHOD OF FLUID DAMPER DEVICE
Document Type and Number:
Japanese Patent JP2018146092
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To appropriately seal an axial gap between a rotor and a case, in a fluid damper device.SOLUTION: A rotor 30 of a fluid damper device 10 includes a rotational shaft 40 inserted into a case 20, and a sealing member 60 attached to a tip of the rotational shaft 40. In a case side end surface 67 of the sealing member 60, formed is a convex part 61 projecting toward a bottom part 22 of the case 20. In a state where the rotor 30 is assembled into the case 20, the convex part 61 is crushed in an axis L direction by the bottom part 22 of the case 20, and formed into a crushed shape 61A of contacting with the bottom part 22 in the axis direction. The convex part 61 is connected to a shaft part 41 of the rotational shaft 40, and provided continuously on a straight line connecting the shaft part 41 and a valve body 50.SELECTED DRAWING: Figure 10

Inventors:
三原 直哉
Application Number:
JP2017044713A
Publication Date:
September 20, 2018
Filing Date:
March 09, 2017
Export Citation:
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Assignee:
日本電産サンキョー株式会社
International Classes:
F16F9/36; A47K13/12; F16F9/14; F16J15/18
Attorney, Agent or Firm:
河合 徹
小平 晋
河口 伸子