Title:
ENERGY REGENERATION FUNCTION-INCORPORATED DROP-PREVENTION HYDRAULIC VALVE SYSTEM FOR BOOM CYLINDERS FOR CONSTRUCTION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2023/234641
Kind Code:
A1
Abstract:
The present invention relates to an energy regeneration function-incorporated drop-prevention hydraulic valve system for boom cylinders for construction equipment, and to an energy regeneration function-incorporated drop-prevention hydraulic valve system for boom cylinders for construction equipment, in which a boom energy regeneration function is incorporated into the drop-prevention hydraulic valve system which prevents a boom from dropping due to damage to a boom cylinder. According to the present invention, boom energy generated by a boom down is recovered and then the recovered boom energy is reused in a boom down. Along with this, safety accidents can be prevented by preventing a boom from dropping in an emergency due to breakage, damage, etc. of a boom cylinder, and there is the advantage of being easy to install or dismantle.
Inventors:
JUNG TAE RANG (KR)
Application Number:
PCT/KR2023/007208
Publication Date:
December 07, 2023
Filing Date:
May 25, 2023
Export Citation:
Assignee:
READI ROBUST MACHINE CO LTD (KR)
International Classes:
E02F9/22; F15B13/04
Foreign References:
| KR20160079815A | 2016-07-06 | |||
| JP2011236562A | 2011-11-24 | |||
| KR20100134827A | 2010-12-24 | |||
| KR20190026889A | 2019-03-13 | |||
| US20090000290A1 | 2009-01-01 |
Attorney, Agent or Firm:
IPCJ PATENT & LAW FIRM (KR)
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