Title:
HYDRAULIC CIRCUIT SYSTEM EQUIPPED WITH ABNORMALITY DIAGNOSIS FUNCTION, AND STEERING DEVICE EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2023/228505
Kind Code:
A1
Abstract:
This hydraulic circuit system equipped with an abnormality diagnosis function comprises: at least one volumetric pump; a hydraulic circuit connected to the pump; a downstream-side sensor for detecting a state amount of a working fluid flowing through the downstream side of the hydraulic circuit; and an abnormality diagnosis device which determines an abnormality of the hydraulic circuit on the basis of a first state amount of the working fluid discharged from the pump and a second state amount of the working fluid detected by the downstream-side sensor.
Inventors:
TANAKA TATSUKI
MASUDA TAKAYUKI
MASUDA TAKAYUKI
Application Number:
PCT/JP2023/008078
Publication Date:
November 30, 2023
Filing Date:
March 03, 2023
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F15B20/00; B63H25/12
Foreign References:
| JP2017101790A | 2017-06-08 | |||
| JP2019010964A | 2019-01-24 | |||
| JP2006097346A | 2006-04-13 | |||
| US20200011449A1 | 2020-01-09 |
Attorney, Agent or Firm:
ISHIDA, Shoji (JP)
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