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Patent Searching and Data


Title:
HYDRAULIC BREAKER, HYDRAULIC FLUID MONITORING SYSTEM AND HYDRAULIC FLUID MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/147491
Kind Code:
A1
Abstract:
Disclosed is a hydraulic breaker comprising: a cylinder having a plurality of hydraulic ports; a piston reciprocating inside the cylinder by means of a hydraulic pressure of a hydraulic fluid flowing in or discharged through the hydraulic ports; a contamination level sensor provided on hydraulic lines connected to the hydraulic ports and for detecting contamination level information comprising the inflow contamination level with respect to the inflow hydraulic fluid and the discharge contamination level with respect to the discharged hydraulic fluid; and a transmission module for, if the hydraulic fluid is determined for contamination on the basis of the detected contamination level information and is determined to be contaminated, outputting the contamination level information to a controller for performing a warning operation.

Inventors:
JOO, Jin Moo (#208-1302, 60 Guil-ro 2-gil,Guro-gu, Seoul, 08325, KR)
PARK, Yong Shik (#120-1703, 36-1 Jinmal-ro,Siheung-si, Gyeonggi-do, 15002, KR)
Application Number:
KR2017/001775
Publication Date:
August 16, 2018
Filing Date:
February 17, 2017
Export Citation:
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Assignee:
DAEMO ENGINEERING CO., LTD. (15 Gunjacheon-ro, Siheung-si, Gyeonggi-do, 15102, KR)
International Classes:
E02F3/96; E02F5/30; E02F9/26; F15B15/14; F15B21/04
Foreign References:
KR20110038065A2011-04-13
JP2013233595A2013-11-21
JP2001221793A2001-08-17
KR100499263B12005-07-07
JPH06117987A1994-04-28
Attorney, Agent or Firm:
IPS PATENT FIRM (5th Fl, 14 Banpo-daero 23-gil,Seocho-gu, Seoul, 06656, KR)
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