the combustion space being arranged in working piston (F02B23/04 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: the combustion space being arranged in working piston

CPC: the combustion space being arranged in working piston (F02B23/04 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Other engines characterised by special shape or construction of combustion chambers to improve operation > with compression ignition > the combustion space being arranged in working piston

CPC:

Other engines characterised by special shape or construction of combustion chambers to improve operation (engines with incandescent chambers F02B9/08) > with compression ignition > the combustion space being arranged in working piston (F02B23/04 takes precedence)

Of 11 combined children, 0 exist in both systems.

11 codes are CPC-only extensions.

Child Classifications

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F02B 2023/0615 2nd only CPC only CPC only
F02B 23/0603 +3 CPC CPC only CPC only
F02B 23/0618 +4 CPC CPC only CPC only
F02B 23/0633 CPC only CPC only
F02B 23/0636 +1 CPC CPC only CPC only
F02B 23/0642 CPC only CPC only
F02B 23/0645 +6 CPC CPC only CPC only
F02B 23/0672 CPC only CPC only
F02B 23/0675 CPC only CPC only
F02B 23/0678 +5 CPC CPC only CPC only
F02B 23/0696 CPC only CPC only