Power plants – Combustion products used as motive fluid
Patent
1994-09-09
1997-05-27
Thorpe, Timothy
Power plants
Combustion products used as motive fluid
60 3907, 60751, F02C 608
Patent
active
056321414
ABSTRACT:
A gas turbine engine diffuser case construction is described that increases the amount of available discharge air for service applications compared to the prior art while reducing downstream component distortion and degradation. The diffuser case has passageways for diffused air that connect a diffused air region to a manifold. At least one orifice is located at the end of each of the passageways in the diffused air region. The size of the orifices controls the amount of air that is discharged from the diffused air region to the manifold. Diffused compressor air collects in the manifold and is then extracted from the manifold as needed for engine or service applications. The size and location of the orifices in the diffuser radially and circumferentially control the rate of discharge of the diffused air from the diffuser before the air enters the combustor region. The ability to influence the flow of air at particular locations around the combustor helps the designer to improve cooling uniformity.
REFERENCES:
patent: 2520697 (1950-08-01), Smith
patent: 3394543 (1968-07-01), Slattery
patent: 3777489 (1973-12-01), Johnson et al.
patent: 4796429 (1989-01-01), Verdouw
patent: 5187931 (1993-02-01), Taylor
Bailey, Jr. R. Edward
Sloop Robert V.
Thorpe Timothy
United Technologies Corporation
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