DIFF Subgroup
F22B 35/14 during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Control systems for steam boilers > for steam boilers of forced-flow type > during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
CPC:
Control systems for steam boilers (for regulating feed-water supply F22D5/00; for controlling superheat temperature F22G5/00) > for steam boilers of forced-flow type > during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
No child classifications to compare. This is a leaf node in both IPC and CPC.