DIFF Subgroup
F01D 11/02 by non-contact sealings, e.g. of labyrinth type (for sealing space between rotor blade tips and stator F01D11/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by non-contact sealings, e.g. of labyrinth type
CPC: by non-contact sealings, e.g. of labyrinth type (for sealing space between rotor blade tips and stator F01D11/08)
Full Title
Full titles differ between systems:
IPC:
Preventing or minimising internal leakage of working fluid, e.g. between stages > by non-contact sealings, e.g. of labyrinth type
CPC:
Preventing or minimising internal leakage of working-fluid, e.g. between stages (sealings in general F16J ) > by non-contact sealings, e.g. of labyrinth type (for sealing space between rotor blade tips and stator F01D11/08)
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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