| 摘要 |
The high intensity mixer utilizing a single speed motor of this invention includes a concentric pair of vertical shafts mounted in the mixer. In one embodiment a driven pulley is directly attached to the outer shaft which mounts the lower set of mixing tools and runs whenever the motor is running. The inner shaft bears the upper mixing tool and may be coupled to the outer shaft by any appropriate manual, pneumatic, fluid, centrifugal, electro-magnetic or air operated clutch means. Engagement and disengagement of the upper mixing tool may be accomplished by manual means or automatic means. Where automatic means are used they may be coupled to sensors reading temperature, amperage or other appropriate conditions.
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