Methods of steam generation characterised by form of heating method

Introduced: September 1968

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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F22B 1/003 CPC only CPC only
F22B 1/006 CPC only CPC only
F22B 1/02 by exploitation of the heat content of hot heat carriers +3 CPC IPC+CPC Available in IPC and CPC
F22B 1/20 using heat evolved in a solution absorbing steam; Soda steam boilers IPC+CPC Available in IPC and CPC
F22B 1/22 using combustion under pressure substantially exceeding atmospheric pressure IPC+CPC Available in IPC and CPC
F22B 1/28 in boilers heated electrically +5 CPC IPC+CPC Available in IPC and CPC