DIFF Subgroup
F01D 11/04 using sealing fluid, e.g. steam
Introduced: September 1968
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 > using sealing fluid, e.g. steam
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) > using sealing fluid, e.g. steam
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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