for sealing space between rotor blade tips and stator (specially-shaped blade tips therefor F01D5/20)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for sealing space between rotor blade tips and stator

CPC: for sealing space between rotor blade tips and stator (specially-shaped blade tips therefor F01D5/20)

Full Title

Full titles differ between systems:

IPC:

Preventing or minimising internal leakage of working fluid, e.g. between stages > for sealing space between rotor blade tips and stator

CPC:

Preventing or minimising internal leakage of working-fluid, e.g. between stages (sealings in general F16J ) > for sealing space between rotor blade tips and stator (specially-shaped blade tips therefor F01D5/20)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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F01D 11/10 using sealing fluid, e.g. steam IPC+CPC Available in IPC and CPC
F01D 11/12 using a rubstrip, e.g. erodible. deformable or resiliently-biased part since 1995 +2 CPC IPC+CPC Available in IPC and CPC
F01D 11/14 Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing (rotors with blades adjustable in operation F01D7/00) since 1995 IPC+CPC Available in IPC and CPC