System for delivering air from a multi-stage compressor to a...

Details System for delivering air from a multi-stage compressor to a... System for delivering air from a multi-stage compressor to a...

2007-10-22

2011-11-15

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Method of operation

C415S115000, C415S116000, C415S117000, C415S145000, C416S09600A, C060S782000, C060S785000, C060S806000

Reexamination Certificate

active

08057157

ABSTRACT:
A system for providing air from a multi-stage to a turbine includes a turbine having a high pressure input port and a low pressure input port. The system also includes a compressor having at least one high pressure extraction air output and at least one low pressure extraction air output. A valve is fluidly connected to the at least one high pressure extraction air output, at least one low pressure extraction air output and low pressure input port of the turbine. The valve is selectively operated to fluidly connect the at least one low pressure extraction air output with the low pressure input port during normal operating conditions and fluidly connect the at least one high pressure extraction air output and the low pressure input port during a turn down condition or below design temperature operation to enhance turbine engine performance.

REFERENCES:
patent: 6098395 (2000-08-01), North
patent: 6226974 (2001-05-01), Andrew et al.
patent: 6389793 (2002-05-01), Priestley
patent: 6481212 (2002-11-01), Priestley
patent: 6550253 (2003-04-01), Mortzheim et al.
patent: 6584779 (2003-07-01), Priestley
patent: 6615574 (2003-09-01), Marks
patent: 7168921 (2007-01-01), Honkomp et al.
patent: 7698898 (2010-04-01), Eluripati et al.
patent: 2001/0025476 (2001-10-01), Eldrid et al.

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