Importance

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Abstract

A color wheel comprises a motor, a plurality of filter segments and an obstructing plate. The motor has a rotating casing. Protruding from the center of an upper side of the rotating casing, there is a rotating shaft. One end of each fan-shaped filter segment is in contact with the rotating shaft, and one side of its lower surface has a formation of a glue area to be glued onto an upper side of the motor, forming a rear clearance from the upper side. The filter segments are joined to each other to become a ring shape surrounding the rotating shaft. A center hole of the ring-shaped obstructing plate is mounted on the rotating shaft, keeping a clearance from the filter segment. On the outside of the obstructing plate is a ring recess. The invention provides ways of heat insulation and radiation for the filter segments, to enhance product quality.

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First Claim