Zobrazeno 1 - 10
of 200
pro vyhledávání: '"Reversing valve"'
Autor:
ZHAO Rui
Publikováno v:
Gong-kuang zidonghua, Vol 46, Iss 4, Pp 104-108 (2020)
For problems of long test cycle, low efficiency and unable to realize automatic test in durability test of manual reversing valve of hydraulic support, an automation device for durability test of manual reversing valve of hydraulic support was design
Externí odkaz:
https://doaj.org/article/71df38669db84c769cee45b4c7f5fd89
Akademický článek
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Publikováno v:
The Journal of Engineering (2018)
Compared with the traditional hydraulic hybrid system, step variable hydraulic hybrid power system has the advantages of low cost, fast response and pollution resistance. However, the existing variable elements are heavy, and the control valve group
Externí odkaz:
https://doaj.org/article/d501400370be4182930b321f1b9b463b
Publikováno v:
The Journal of Engineering (2018)
In this study, biological characteristic of manpower is analysed and then the structural of exoskeleton rehabilitation manipulator is designed base on the thought of modular. First, the overall assembly drawing is drawn by SolidWorks. Second, the con
Externí odkaz:
https://doaj.org/article/214804b03ffb48f79a4b239aad25a39f
Publikováno v:
International Journal of Refrigeration. 134:176-188
Air source heat pump (ASHP) has advantages of high efficiency, eco-friendly operation, and convenient installation, but frost accumulation on the outdoor heat exchanger is one of the basic concerns about its operation. Reverse cycle defrosting (RCD)
Akademický článek
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Publikováno v:
Processes; Volume 11; Issue 5; Pages: 1538
Unsmooth reversing is one of the most common faults in the four-way reversing valve of the air conditioning system, and the airflow in the valve chamber and the shape of the slider of the reversing valve are the main factors in unsmooth reversing. In
Autor:
Yabin Guo, Huanxin Chen
Publikováno v:
International Journal of Refrigeration. 118:1-11
The timely fault diagnosis of HVAC systems is important for building energy saving, equipment maintenance and indoor comfort. The Gaussian mixture model method has rarely been studied in the fault diagnosis application of HVAC systems. Therefore, a n
Publikováno v:
The Journal of Engineering (2018)
Compared with the traditional hydraulic hybrid system, step variable hydraulic hybrid power system has the advantages of low cost, fast response and pollution resistance. However, the existing variable elements are heavy, and the control valve group
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 10, Iss 5, Pp 2127-2135 (2020)
An energy-saving water injection pump aimed at high-energy consumption and low efficiency of the traditional water injection pump in the later stages of oilfield exploitation is proposed. The hydraulic pump is used as the main power source to control