Utilizing inlet bleed heat to improve mixing and engine...

Details Utilizing inlet bleed heat to improve mixing and engine... Utilizing inlet bleed heat to improve mixing and engine...

2011-08-23

2011-08-23

Gartenberg, Ehud (Department: 3741)

Power plants

Combustion products used as motive fluid

For nominal other than power plant output feature

C415S116000, C060S772000, C060S782000, C060S773000

Reexamination Certificate

active

08001789

ABSTRACT:
An improved inlet bleed heat system for a gas turbine engine is disclosed. The inlet bleed heat system provides improved mixing in an inlet region while permitting the engine to be operated at lower power settings. The inlet bleed heat system comprises a supply conduit, a plurality of feed tubes extending from the supply conduit, and a guide tube for receiving opposing ends of the feed tubes. The plurality of feed tubes each have a plurality of injection orifices and the feed tubes are oriented such that the injection orifices generally face into a flow of oncoming air with the feed tubes being positioned forward of a plurality of sound attenuating baffles.

REFERENCES:
patent: 3705491 (1972-12-01), Foster-Pegg
patent: 5560195 (1996-10-01), Anderson et al.
patent: 6027304 (2000-02-01), Arar et al.
patent: 6685425 (2004-02-01), Poccia et al.
patent: 7841186 (2010-11-01), So et al.
patent: 2005/0279101 (2005-12-01), Hoffmann et al.
patent: 2009/0053036 (2009-02-01), Crawley et al.

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