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US 2006/0218934 A1Published application
Auxiliary power unit with integral firebox
AssigneeHoneywell International Inc.
InventorsNicholas Williams, Kevin Dittmar
Life of this patent
Estimating the term…
Abstract
An auxiliary power unit with integral firebox provides an integral unit for aircraft to utilize an APU without the use of a separate firebox. The present invention comprises a turbomachine intake air duct secured to an enclosure, and said enclosure having a bleed air port extending from the combustor to outside of the enclosure, with an APU secured therein. The APU can be retrofitted to existing aircraft, or installed in newly built aircraft.
Claims24
An auxiliary power unit, comprising:
- a firebox secured to the auxiliary power unit;
- said firebox having a turbomachine air intake duct, said turbomachine air intake duct having an intake end and an aft end;
- and
- said firebox also having an enclosure secured to an aft end of said turbomachine air intake duct.
1 more element
An auxiliary power unit and integral firebox, comprising:
- a turbomachine air intake duct, said turbomachine air intake duct having an intake end and an aft end;
- a fireproof enclosure secured to an aft end of said turbomachine air intake duct;
- and
- a bleed port having an inlet end connected to a turbomachine bleed air supply, said bleed port extending from said inlet end through said enclosure to an outlet.
1 more element
An auxiliary power unit, comprising:
- a firebox secured to a turbomachine air intake duct, said turbomachine air intake duct having an intake end and an aft end;
- said firebox having an enclosure secured to an aft end of said turbomachine air intake duct via a mounting system, said mounting system secured to a turbomachine;
- and
- said firebox having a bleed port having an inlet end connected to a turbomachine bleed air supply, said bleed port extending from said inlet end through said enclosure to an outlet.
1 more element
Dependencies are inferred from the claim text.