I corresponded with an inventor who had a patent on an engine design
that sounded similar to this.
R C Macaulay wrote:
Interesting thinking Jones. A proposed valveless, pistonless
engine/motor concept is being studied whereas the "engine" is ring
shaped and drives a cluster of embedded cavity discs positioned with
the ring. The design approach
Jones wrote,
The following suggestion, or a version of it, will be
implemented by some perceptive auto manufacturer in
the coming years.
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