Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Patent
1990-10-15
1992-10-13
Look, Edward K.
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between runner portion and static part
Between blade edge and static part
415116, 415115, F01D 514
Patent
active
051545780
ABSTRACT:
The present invention relates to a compressor casing for a gas turbine engine in which an inner casing is radially adjustable so as to maintain a radial clearance between the casing and a rotor as the rotor undergoes radial expansion and contraction. The compressor casing has an outer casing and a concentrically arranged inner casing with a plurality of generally radially extending arms interconnecting the inner and outer casings. The volume between the casings is sealed so as to form a chamber and heated air bled from a downstream stage of the compressor is directed into this chamber such that the heated air contacts the exterior surfaces of the hollow radial arms. The invention also has a system for supplying cooling air to the interior of each of the radial hollow arms including a regulating device so that the cooling air can be selectively applied to the arms.
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patent: 4849895 (1989-07-01), Kervistin
Delrieu Gilles L. E.
Miraucourt Carmen
Look Edward K.
Newholm Therese M.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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