DIFF Subgroup
G05D 23/01 without auxiliary power
Introduced: September 1968
Full Title
Control of temperature > without auxiliary power
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- G05D 23/02 with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence) +3 CPC IPC+CPC Available in IPC and CPC
- G05D 23/12 with sensing element responsive to pressure or volume changes in a confined fluid +3 CPC IPC+CPC Available in IPC and CPC
- G05D 23/13 by varying the mixing ratio of two fluids having different temperatures +4 CPC IPC+CPC Available in IPC and CPC