Rotary kinetic fluid motors or pumps – Including destructible – fusible – or deformable non-reusable...
Patent
1992-07-31
1993-06-29
Look, Edward K.
Rotary kinetic fluid motors or pumps
Including destructible, fusible, or deformable non-reusable...
415201, 137 681, F01D 2524
Patent
active
052228622
ABSTRACT:
A pressure relief diaphragm is associated with a turbine housing and is operable to relieve excessive pressure within the turbine housing to prevent damage to turbine blades. The pressure relief diaphragm includes a safety housing having a mounting flange thereon arranged to mate with a turbine flange so that the safety housing is positioned over a relief opening in the turbine housing. A first solid, frangible solid disc covers the relief opening in the turbine housing and has a peripheral portion interposed between the mounting flange on the safety housing and the turbine flange. A second solid disc is positioned in the relief opening in the turbine flange in abutting contact with the first solid disc. A first plurality of bolts secures the mounting flange on the safety housing to the turbine flange. Spring washers associated with the first plurality of bolts maintain the positional relationship between the safety housing and the turbine flange. An annular ring is positioned on the first solid disc and above the relief opening in the turbine housing. A second plurality of bolts secures the second solid disc and the annular ring to the first solid disc. Spring washers associated with the second plurality of bolts maintains the positional relationship among the first solid disc, the second solid disc and the annular ring.
REFERENCES:
patent: 3060706 (1962-10-01), Hess
patent: 3698598 (1972-10-01), Wood et al.
patent: 3945760 (1976-03-01), Miller
patent: 4207913 (1980-06-01), Fike, Jr.
patent: 4232513 (1980-11-01), Pearson et al.
patent: 4479587 (1984-10-01), Mundt et al.
Groenendaal, Jr. John C.
Huang Kuo P.
Larson James A.
Look Edward K.
Spadacene J. C.
Watkins Peyton C.
Westinghouse Electric Corp.
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