Title:
OIL DAMPER INSPECTION DEVICE AND INSPECTION METHOD
Document Type and Number:
Japanese Patent JP2021021680
Kind Code:
A
Abstract:
To provide technology for inspecting the degree of degradation of attenuation performance of an oil damper that accommodates a working fluid degraded accompanying bubble generation.SOLUTION: An oil damper inspection device 10 comprises: a cylinder 18 in which an accommodation chamber 16 (16a, 16b) for a working fluid 15 divided into a plurality of sections by a piston 12 that is displaced upon receiving a load 13 from a rod 11, and the working fluids 15 in the plurality of accommodation chambers 16a, 16b communicate with each other through an open hole 17 formed in the piston 12; volumetric change means 20 for applying a load to a movable wall 26 forming a space 21 which the working fluids 15 airtightly accommodated in the cylinder 18 come in contact with and thereby changing the space 21; and a data processing unit for processing data on the load applied to the wall 26 and displacement data d of the wall 26.SELECTED DRAWING: Figure 1
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Inventors:
WATANABE KAZU
KATAYAMA HIROSHI
ITO RYO
KATAYAMA HIROSHI
ITO RYO
Application Number:
JP2019139556A
Publication Date:
February 18, 2021
Filing Date:
July 30, 2019
Export Citation:
Assignee:
TOSHIBA CORP
TOSHIBA ENERGY SYSTEM & SOLUTION CORP
TOSHIBA ENERGY SYSTEM & SOLUTION CORP
International Classes:
G01M13/00; F16F9/32
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office