Title:
METHOD AND DEVICE FOR CONTROLLING CONCENTRATION OF UREA SOLUTION FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/108026
Kind Code:
A1
Abstract:
A method and device for controlling the concentration of a urea solution for a vehicle. The method comprises: after agitating pure water and urea particles in an agitation tank, measuring the concentration of a urea solution in the agitation tank (S102); if the concentration is not within a preset range, determining the amount of pure water and/or the urea particles to supplement according to the relationship between the concentration and the preset range (S104); and adding the pure water in the determined amount to the agitation tank, and/or adding the urea particles in the determined amount to the agitation tank (S106).
Inventors:
GONG KE (CN)
ZHANG XIUFENG (CN)
XU LIHAI (CN)
ZHAI XINCHUN (CN)
ZENG WEI (CN)
ZHANG XIUFENG (CN)
XU LIHAI (CN)
ZHAI XINCHUN (CN)
ZENG WEI (CN)
Application Number:
PCT/CN2017/115066
Publication Date:
June 21, 2018
Filing Date:
December 07, 2017
Export Citation:
Assignee:
ZHUHAI GREE INTELLIGENT EQUIPMENT CO LTD (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
G05D11/13
Foreign References:
CN106681380A | 2017-05-17 | |||
CN105056778A | 2015-11-18 | |||
CN103499984A | 2014-01-08 | |||
CN101429591A | 2009-05-13 | |||
CN1641077A | 2005-07-20 | |||
CN105032156A | 2015-11-11 | |||
CN205650160U | 2016-10-19 | |||
EP0352717A2 | 1990-01-31 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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