Shroud means for turbine rotor blade tip clearance control

Details Shroud means for turbine rotor blade tip clearance control Shroud means for turbine rotor blade tip clearance control

1986-01-10

1988-11-15

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Erodable or permanently deformable

F01D 1100

Patent

active

047845694

ABSTRACT:
A hot gas turbine wheel shroud ring, for hot gas turbine engines, is adapted to be concentrically positioned around the periphery of a row of buckets or blades on the circumference of a turbine wheel to provide a predetermined small sealing and running clearance between the tips of the turbine blades and the ring. The shroud ring is characterized as incorporating certain opposite warping or deflection characteristics from those found in shroud rings under normal high temperature operating conditions.

REFERENCES:
patent: 3176960 (1965-04-01), Sproule
patent: 4008978 (1977-02-01), Smale
patent: 4009568 (1977-03-01), King et al.
patent: 4247247 (1981-01-01), Thebert
patent: 4317646 (1982-03-01), Steel et al.
patent: 4330234 (1982-05-01), Colley
patent: 4343592 (1982-08-01), May
patent: 4385864 (1983-05-01), Zacherl
patent: 4411594 (1983-10-01), Pellow et al.
patent: 4431371 (1984-02-01), Thomson
patent: 4472108 (1984-09-01), Pask
patent: 4529355 (1985-07-01), Wilkinson
patent: 4566700 (1986-01-01), Shiembob

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