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Patent Searching and Data


Title:
ABNORMALITY DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065160
Kind Code:
A1
Abstract:
This abnormality detection device (1) for a fluid pressure actuator (A) is configured to be provided with: a displacement detector (2) that detects a displacement of the fluid pressure actuator (A) which is elastic; an operated-amount detector (3) that detects the amount by which a motor (M) has been operated for driving a pump (P) in the fluid pressure actuator (A); and an abnormality detector (4) that detects an abnormality in the fluid pressure actuator (A) on the basis of the displacement and operated-amount.

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Inventors:
OGAWA Yoshiyuki (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
OONO Fumiaki (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2018/033215
Publication Date:
April 04, 2019
Filing Date:
September 07, 2018
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F15B20/00
Foreign References:
JP2017025982A2017-02-02
JP2015068494A2015-04-13
JP2010078081A2010-04-08
US6298941B12001-10-09
Attorney, Agent or Firm:
ISHIKAWA Ken et al. (Maruhiro Kyobashi Bldg. 9th Floor, 5-12 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
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