#691: Dustguster

Having spent an earsplitting two days listening to the whine of a dust-filled projector, I began to think of solutions.

When a device such as this screens a message saying “I’m overheating,” it’s probably time to clean out the clag which is mostly causing the problem. Today’s invention is a fan, suitable for computers, projectors etc which is driven by a gearwheel engaging with teeth on the outer edge of a ring joining the ends of its blades. This is an alternative to the normal fixed, central driveshaft.

Such an approach allows a button to be pressed which briefly withdraws the axle supporting the fan and spits this (plastic) item out of the body of the device, allowing it to be thoroughly washed clean, dried and reinserted.

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