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Patent Searching and Data


Title:
SAFETY SYSTEM FOR CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/200257
Kind Code:
A1
Abstract:
The present invention relates to a safety system for a construction machine. A safety system for a construction machine according to an embodiment of the present invention comprises: a pilot pump for supplying a pilot hydraulic oil; a plurality of spools each of which is operated by the pilot hydraulic oil to control the supply of a main hydraulic oil and has a signal portion formed in one area thereof; a signal line that sequentially connects the pilot pump with the signal portion of the plurality of spools and discharges, into a hydraulic tank, the pilot hydraulic oil which the pilot pump has supplied; and a pressure sensor for measuring the pressure of the signal line.

Inventors:
KIM, Ki Yong (110-2103, 332 Eonju-ro,Gangnam-gu, Seoul, 06216, KR)
Application Number:
KR2017/005048
Publication Date:
November 23, 2017
Filing Date:
May 16, 2017
Export Citation:
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Assignee:
DOOSAN INFRACORE CO., LTD. (489Injung-ro, Dong-gu, Incheon, 22502, KR)
International Classes:
E02F9/24; E02F9/20; E02F9/22
Foreign References:
KR100200028B11999-06-15
KR20130111532A2013-10-10
KR100240090B12000-01-15
KR20150036000A2015-04-07
JP2005207065A2005-08-04
Attorney, Agent or Firm:
YOON, Yu Kwang et al. (We The People IP & Law, 15th Fl. Salvation Army Bldg., 7, Chungjeong-ro,,Seodaemun-gu, Seoul, 03737, KR)
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