作者: Guido Valentini
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摘要: The disclosure refers to an apparatus (1) for controlling the rotational speed of a shaft (2) pneumatic motor (3) desired and its use. comprises: - means (4, 5) detecting current (2), example Hall sensor device; (6) varying flow rate air through (3), solenoid valve disposed in intake (8) (3); electrically operated (7) automatically variation response detected depending on speed, including CPU.