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Compression Rings (Click to Enter)
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Configurable Ring Sets

Most Circle Cycle engine designs employ compression ring sets that are located in the Cylinder assemblies, not on the Pistons. The piston never comes in contact with the walls of the Cylinder. Reduced drag, better conservation of heat.
Compression Rings Sets are allowed to "float" to maintain precise alignment with Piston / Cylinder mating pairs.

Non metallic high temperature ring sets, and metallic cartridge type ring sets.

Alternate Compression sealing ring design. Compression seal is located on Piston and seals against hardened cylinder sleeve.
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