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PCE
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DIFF Main Group
F02D 15/00

Varying compression ratio

Introduced: September 1968

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • F02D 15/02 by alteration or displacement of piston stroke IPC+CPC Available in IPC and CPC
  • F02D 15/04 by alteration of volume of compression space without changing piston stroke IPC+CPC Available in IPC and CPC