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PCE
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CPC Subgroup Additional Only
F02G 2242/40

Piston-type engines

Full Title

Ericsson-type engines having open regenerative cycles controlled by valves > Piston-type engines

2 direct subcodes

Child Classifications

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  • F02G 2242/42 having a single piston regenerative displacer attached to the piston, e.g. "Gifford-McMahon" engines
  • F02G 2242/44 having two pistons and reverse flow regenerators