Teardown of a self powering machine.

This is a self powering stove fan that generates its motor power from the temperature difference on either side of a peltier panel. The panel is 40mm square and I'm guessing it's a very common peltier plate referred to as a 12706. These are actually intended for solid state heating/cooling applications, but the unit will also generate current when a heat differential exists across it.
To achieve the heat difference in the stove fan the peltier plate is sandwiched between the heat collection base that stands on the top of the stove and a cooling heatsink with lots of fins. When the stove gets hot the thermal difference causes the generated current to run the fans which then create a greater heat difference by preferentially cooling the top heatsink.
The wiring in this unit is showing signs of heat damage, so I'll order up some high temperature silicone insulated wire too. All the electrical components seem standard items with the most expensive looking component being the custom heatsink.
It appears the motor type may be a RF-500TB-12560. It certainly fits the sizes and guesstimated voltage/current profile. I've ordered some from eBay. They're a common and cheap motor used in various low power and current applications like solar products.

To explain the incident with my mum. My brother and I nursed her through her unusually long decline with Alzheimer's where the brain gradually degrades and the person regresses back into a base human running on instincts like a stone age human. This was just one of many very odd moments that are funny in hindsight, but were not quite so funny at the time.

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Видео Teardown of a self powering machine. канала bigclivedotcom