Rotary kinetic fluid motors or pumps – With diversely oriented inlet or additional inlet for...
Patent
1987-08-21
1989-07-04
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
With diversely oriented inlet or additional inlet for...
4151732, 415127, 415113, F04D 3100
Patent
active
048446882
ABSTRACT:
The high pressure turbine of a gas turbine engine is provided with an annular array of aerofoil rotor blades which are surrounded by a shroud. The shroud is mounted on a tubular diaphragm which is deflected by pressure modulation to vary the effective diameter of said shroud means. An L-shaped cross-section flange provided on the turbine casing cooperates with a plurality of L-shaped cross-section hooks on the diaphragm to limit radially inward movement of the shroud and thereby prevent contact between the aerofoil blade tips and the shroud means.
REFERENCES:
patent: 4019320 (1977-04-01), Ridinger, Jr. et al.
patent: 4023919 (1977-05-01), Patterson
patent: 4363599 (1982-12-01), Cline et al.
patent: 4472108 (1984-09-01), Pask
patent: 4683716 (1987-08-01), Wright et al.
Clough Richard S.
Neal Peter F.
Garrett Robert E.
Newholm Therese M.
Rolls-Royce plc
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