That would've been easily invalidated by prior art from nearly a century ago; as I mentioned in a sibling comment, this was a common arrangement in the early da

That would've been easily invalidated by prior art from nearly a century ago; as I mentioned in a sibling comment, this was a common arrangement in the early days of domestic refrigeration. Here's a video from someone who managed to salvage some of the components of such a system: https://www.youtube.com/watch?v=h1tXIYl20jA https://www.youtube.com/watch?v=h1tXIYl20jA