Title:
FLUID LEAKAGE DETECTOR AND RECIPROCATING HYDRAULIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/146513
Kind Code:
A1
Abstract:
A fluid leakage detector (100) comprising: an annular member (10) attached to a cylinder head (5) and having a piston rod (3) inserted therethrough; a passage (13) formed in the annular member (10) and having hydraulic oil guided thereto from between the outer circumference of the piston rod (3) and the inner circumference of the cylinder head (5); and a pressure sensor (30) that detects hydraulic oil that is guided along the passage (13). The annular member (10) has a press-fit section (14) that is press-fit into an annular groove (5c) formed in the cylinder head (5).
Inventors:
TAKAHASHI YUSUKE (JP)
Application Number:
PCT/JP2019/001402
Publication Date:
August 01, 2019
Filing Date:
January 18, 2019
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B15/14; F16J15/3236
Domestic Patent References:
| WO2017077786A1 | 2017-05-11 |
Foreign References:
| JP2017207078A | 2017-11-24 | |||
| JP2005221069A | 2005-08-18 | |||
| JP2009174555A | 2009-08-06 | |||
| JPS56158561U | 1981-11-26 | |||
| JP2018054021A | 2018-04-05 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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