Engines characterised by air compression and subsequent fuel addition (characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)

Child Classifications

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• F02B 3/02 with positive ignition (with non-timed positive ignition F02B9/06)
• F02B 3/06 with compression ignition (compression ignition engines using air or gas for blowing fuel into compressed air in cylinder F02B13/02)