Engine integrated auxiliary power unit

Details Engine integrated auxiliary power unit Engine integrated auxiliary power unit

2005-11-29

2005-11-29

Tyler, Cheryl (Department: 3746)

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

C060S226100, C060S262000

Reexamination Certificate

active

06968701

ABSTRACT:
The present invention relates to an engine integrated auxiliary power unit. The engine comprises a high pressure spool which includes a high pressure compressor connected to a high pressure turbine and a low pressure spool which includes a low pressure compressor connected to a low pressure turbine. The engine further has a system for independently operating the high pressure spool and thus allowing the high pressure spool to function as an auxiliary power unit.

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