Title:
CONSTRUCTION MACHINE STARTING ASSIST SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/137041
Kind Code:
A1
Abstract:
One embodiment of the present invention relates to a construction machine starting assist system comprising: a construction machine engine; an input unit for receiving a key-on signal and a key-off signal of the engine; a hydraulic pump driven by the engine; an actuator driven by the hydraulic oil discharged from the hydraulic pump; a regeneration valve for transferring a part or all of the hydraulic oil returned from the actuator and a part or all of the hydraulic oil discharged from the hydraulic pump so as to supply the same for regeneration; an accumulator charged with the hydraulic oil supplied from the regeneration valve; a charging valve controlled such that flow is discharged from the accumulator when the key-on signal is inputted into the input unit; and a hydraulic motor driven by the hydraulic oil discharged by the charging valve, wherein the hydraulic motor is connected to the engine so as to assist the starting of the engine.
Inventors:
AHN HYEON SIK (KR)
Application Number:
PCT/KR2015/001951
Publication Date:
September 01, 2016
Filing Date:
February 27, 2015
Export Citation:
Assignee:
DOOSAN INFRACORE CO LTD (KR)
International Classes:
F02D29/04; E02F9/20; F02N9/00
Domestic Patent References:
| WO2011074672A1 | 2011-06-23 |
Foreign References:
| KR20110012037A | 2011-02-09 | |||
| KR20140083119A | 2014-07-04 | |||
| KR20140123636A | 2014-10-23 | |||
| JP4948643B1 | 2012-06-06 | |||
| KR20150099942A | 2015-09-02 |
Other References:
See also references of EP 3263871A4
Attorney, Agent or Firm:
HANBEOT PATENT & LAW FIRM (KR)
특허법인 한벗 (KR)
특허법인 한벗 (KR)
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