FIELD: machine building.
SUBSTANCE: valve unit includes valve to control fluid medium flow used for heating or cooling and passing through heat exchanger, actuating mechanism. The latter serves to bring the above valve into action. Control device serves to control the above actuating mechanism. The first temperature sensor is connected to the above control device. The second temperature sensor is connected to the above control device. Heat resistance between the first temperature sensor and valve is higher than heat resistance between the second temperature sensor and valve. The first temperature sensor and the second temperature sensor are the part of detection device serving for detection of valve closing degree. Valve actuating method is described.
EFFECT: improvement of valve control.
2 cl, 1 dwg
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Authors
Dates
2012-12-27—Published
2011-12-15—Filed