Motor operated valve

The valve has a stepper motor (16) controlling a displacement of a shutter (10a) movably mounted in a body (1). A control unit (8) has an electronic control board (17) and controls the motor with a reduced speed value at the beginning of opening of the shutter (10a), such that the motor exerts a max...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOMEZ, JEAN-PIERRE, BALAT, JEAN-MARC, GOUSSEAU, BERNARD
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The valve has a stepper motor (16) controlling a displacement of a shutter (10a) movably mounted in a body (1). A control unit (8) has an electronic control board (17) and controls the motor with a reduced speed value at the beginning of opening of the shutter (10a), such that the motor exerts a maximum force on the shutter. The unit increases the speed of the motor after opening of the shutter.