Rotary kinetic fluid motors or pumps – Including thermal expansion joint – Radially sliding
Patent
1989-09-05
1991-04-02
Look, Edward K.
Rotary kinetic fluid motors or pumps
Including thermal expansion joint
Radially sliding
415138, 415200, 4152092, 4152093, F28F 700, F01D 900
Patent
active
050044028
ABSTRACT:
A split casing (10) of low, coefficient of expansion material, has internal upstream facing slots (12). A semicircular shroud ring (16), of high coefficient of expansion material, carries the vanes (18), and has a tongue (20) sliding within casing slot (12). Casing stop lugs (14) and shroud stop lugs (22) have mutually abuttable surfaces (70,72) to antirotate the shroud within the casing. The distance between abuttable surfaces of the casing is greater than the distance between abuttable surfaces of the shroud ring at room temperature, but the distance are the same at the long time operating temperature.
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Burchette Herbert L.
Hansen Lee E.
Nawrocki Glen A.
West James C.
Kochey Jr. Edward L.
Look Edward K.
Nguyen Hoang
United Technologies Corporation
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