Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements

CPC: Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence)

Full Title

Full titles differ between systems:

IPC:

Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements

CPC:

Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (F01B3/00, F01B5/00 take precedence)

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

Child Classifications

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F01B 1/01 with one single cylinder since 1974 IPC+CPC Available in IPC and CPC
F01B 1/02 with cylinders all in one line IPC+CPC Available in IPC and CPC
F01B 1/04 with cylinders in V-arrangement IPC+CPC Available in IPC and CPC
F01B 1/06 with cylinders in star or fan arrangement +4 CPC IPC+CPC Available in IPC and CPC
F01B 1/08 with cylinders arranged oppositely relative to main shaft and of "flat" type IPC+CPC Available in IPC and CPC
F01B 1/10 with more than one main shaft, e.g. coupled to common output shaft IPC+CPC Available in IPC and CPC
F01B 1/12 Separate cylinder-crankcase elements coupled together to form a unit IPC+CPC Available in IPC and CPC