Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between runner portion and static part – Between blade edge and static part
Patent
1994-03-30
1995-08-08
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
415200, 298892, F01D 1112
Patent
active
054393485
ABSTRACT:
A turbine shroud segment includes a substrate and a coating layer having varying thickness. Various construction details are developed that provide minimal spalling of the coating layer during use of the shroud segment. In a particular embodiment, a shroud segment includes a coating layer that tapers towards the edges. The thickness tapers to a minimum thickness along the leading and trailing edges. Within the blade passing region of the shroud segment, the coating layer tapers towards the lateral edges to a thickness determined by the minimum thickness required for abrasive contact between the shroud segment and rotor blades. In another particular embodiment, the varying thickness of the coating layer is produced by forming the substrate with a concave surface, applying the coating, and subsequently machining back the coating layer to the desired dimensions.
REFERENCES:
patent: 3365172 (1968-01-01), McDonough et al.
patent: 3583824 (1971-06-01), Smuland et al.
patent: 4013376 (1977-03-01), Bisson et al.
patent: 4311432 (1982-01-01), Kildea
patent: 4573865 (1986-03-01), Hsia et al.
patent: 4573866 (1986-03-01), Sandy, Jr. et al.
patent: 4650394 (1987-03-01), Weidner
patent: 4650395 (1987-03-01), Weidner
patent: 4655044 (1987-04-01), Dierberger et al.
patent: 4752184 (1988-06-01), Liang
patent: 4759687 (1988-07-01), Miraucourt et al.
patent: 4992025 (1991-02-01), Stroud et al.
patent: 5088888 (1992-02-01), Bobo
patent: 5165847 (1992-11-01), Proctor et al.
patent: 5167485 (1992-12-01), Starkweather
patent: 5169287 (1992-12-01), Proctor et al.
patent: 5205115 (1993-04-01), Plemmons et al.
patent: 5219268 (1993-06-01), Johnson
Ellis Charles A.
Hughes John H.
McCusker Kevin N.
Nissley David M.
Lee Michael S.
Look Edward K.
United Technologies Corporation
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