Heat is continually applied, it will pump continuously so long as the heat is applied.
The water absorbs very minimal heat from the process. I’ve had this running for 30-40 minutes continuously, circulating the same 1.5 to 2 liters of water, and after all that time the water is barely even warm...
Okay here it is pumping water from one tank to another tank at a slightly higher head. This would be work correct? Moving water from one place to another has to be work. The only reason I had it feeding back to itself was for simplicity, that and I wouldn’t have to keep adding water to the first...
A while back a was messing around in the shop, and ended up making this water pump that uses only heat to pump. The two check valves are the only moving parts.
Here is a drawing of what it looks like inside.
Here is another drawing of what I believe it is doing in its cycle.
The system...