FIELD: temperature control systems equipped with electric pumping units in heat-transfer agent circulating loop.
SUBSTANCE: proposed activator is provided with two or more electric pumping units mounted in load-bearing framework, connecting pipe lines with hydraulic joints for connection with outside hydraulic line, pressure differential sensor and control units. Electric pumping units are provided with hydraulic joints at their inlets and outlets; they are mounted on retainers made in form of collets received by holes of flanges of electric pumping unit housings. Retainers are secured on intermediate plate mounted on rigid wall in load-bearing framework. Each electric pumping unit together with flexible hose connected to it, pipe lines, drain valve and hydraulic joints forms changeable unit easily mounted on framework and dismantled from it. Outlet of first electric pumping unit is connected with inlet of second electric pumping unit through connection strip provided with hydraulic joints; inlet of first electric pumping unit and outlet of second one are connected by the like connection strips with pipe lines coupled with outside hydraulic line.
EFFECT: increased service life of temperature control panel due to possibility of replacement of electric pumping units.
6 dwg
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Authors
Dates
2006-10-20—Published
2004-09-23—Filed