DIFF Subgroup
F28F 13/06 by affecting the pattern of flow of the heat-exchange media
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Arrangements for modifying heat transfer, e.g. increasing, decreasing > by affecting the pattern of flow of the heat-exchange media
CPC:
Arrangements for modifying heat-transfer, e.g. increasing, decreasing (F28F1/00 - F28F11/00 take precedence) > by affecting the pattern of flow of the heat-exchange media
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F28F 13/10 by imparting a pulsating motion to the flow, e.g. by sonic vibration IPC+CPC Available in IPC and CPC
- F28F 13/12 by creating turbulence, e.g. by stirring, by increasing the force of circulation (F28F13/08 takes precedence) +1 CPC IPC+CPC Available in IPC and CPC