BLADE ANGLE AUTONOMOUS ADJUSTING-TYPE VERTICAL AXIAL FLOW BLOWER
PROBLEM TO BE SOLVED: To increase the wind amount control range in controlling revolutions by restraining starting torque without using a hydraulic unit, a pneumatic unit and a controller, in a vertical axial-flow blower. SOLUTION: A blade angle is autonomically adjusted by centrifugal force. This b...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To increase the wind amount control range in controlling revolutions by restraining starting torque without using a hydraulic unit, a pneumatic unit and a controller, in a vertical axial-flow blower. SOLUTION: A blade angle is autonomically adjusted by centrifugal force. This blower has a structure like a balancing toy used in a speed governor of a motor and has a weight to be moved along the inclined surface of an impelled hub. |
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