2 patents
Utility
Combination piston and piston ring for reducing crevice volume
3 Oct 23
Embodiments of a combination piston and piston ring to reduce the volume of a crevice defined between the circumferential wall of a cylinder and a portion of the outer wall of a piston within the cylinder, the portion extending down from the top of the piston.
Nikolay Shkolnik, Alexander Shkolnik
Filed: 16 Nov 22
Utility
Seal assembly for an epitrochoidal rotary engine
19 Oct 21
Various embodiments describe modifications to X-engines, which would utilize a dedicated chamber to implement bottoming Rankine cycle as well as additional improvements in sealing and combustion efficiency—all contributing to high efficiency.
Alexander Shkolnik, Nikolay Shkolnik, Mark Nickerson, Daniele Littera, Alexander Kopache, Kyle Becker
Filed: 11 Sep 17
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