F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/136
F02C 7/20 (2006.01) F01D 11/24 (2006.01)
Patent
CA 1156844
ABSTRACT OF THE DISCLOSURE The clearance between the rotating blade tips and the enclosing cylinder of a gas turbine engine will be controlled by selectively choosing the supply of air to be introduced into the cylinder of the machine in the vicinity of the rotating blade tips. me air which is normally bled from the last stage of the compressor section of the turbine may in some instances be fed directly to the selected portion of the turbine cylinder or it may be heated to a temperature much above that of the air being delivered from the compressor or the air may be cooled to a temperature much below that of the air being delivered from the compressor section. By choosing the correct temperature of the air introduced into the appropriate portion of the cylinder, the clearance between the cylinder and the blade tips may be carefully controlled.
359155
Rice Murray B.
Ritcey Donald R.
Oldham And Company
Westinghouse Canada Inc.
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