h a l f b a k e r yPoof of concept
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Bathroom fans are nice. But usually they are only needed for short periods of time. Plus one must rig up some power for them - if not built in but added after the fact, one must do real electrical work to wire them.
I propose that a weight-drop driven bathroom fan would be easy and effective. Firmly
attached to the wall, the fan allows a heavy weight to be used for the power source. The bathroom user lifts the weight. On releasing it, the fall of the weight drives the fan via a series of gears. When the weight reaches its nadir the fan stops. All mechanical parts, this would be robust and durable. One could include a little light as well, using the turning fan mechanism as an electrical generator.
Such a device could be used anywhere. First world hippies would like them. They could go into outhouses or buses. The ones with lights might be especially useful in those parts of the world where electricity is sporadic.
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Why can't the sitting action of the user account for the needed weight? Need some more fan? Just stand up and sit again. I vision a seat that lifts a foot or two when not sat upon, springs and belts, and a fan overhead. |
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I like this idea, but I think proper ducting of the bathroom fan is generally a more arduous task than running power to it. |
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If you have a bathroom so internal to the building that it requires ducting then this fan is probably not ideal. It is to augment passive air recharge via a window or other opening. |
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//The bathroom user lifts the weight.// |
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I suggest instead
using the flush-water as a descending counterweight to lift
the main weight, in preparation for the next user. Once it
reaches bottom, the flushwater drains into
the sewer, and the empty bucket's raised back into
position
by the main weight, which descends only a short distance
in so doing, because the bucket is lighter when empty. |
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(Requires complex gearing, but that seems fully in the
spirit of the idea.) |
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And you could gear in some grandfather clock gadgets to ring a chime based on some bathroom humor formula. |
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//sitting action// I assumed this referred to the Commonwealth usage of "bathroom", meaning a room for bathing in, typically containing a bath and a shower, rather than the North American usage as a euphemism for a WC. |
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//euphemism for a WC// euphemism for a euphemism. |
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//euphemism for a euphemism// Yes, but WC (water closet) is descriptive of the piece of hardware (or at least, of its mechanism of odour exclusion) and was the least ambiguous term I could think of. |
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North Americans bathe in the toilet pan? eew! |
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No. However, bidets are regarded as strange and exotic pieces of plumbing hardware, alas. |
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