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...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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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. |
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