Patent · US Expired

Main propulsion engine system integrated with secondary power unit

US6868664B2 · kind B2 · utility

32Cited by
12References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2001
Grant dateMar 22, 2005
Priority date
Expiry dateJan 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A main engine mounted auxiliary power unit comprises an auxiliary power unit integrated with a primary gas turbine engine into a single power plant suited for aircraft applications. The auxiliary power unit can be mounted within an engine core compartment of the main engine or at the main engine aft center body. The integration of the auxiliary power unit provides for installation and certification cost savings to the airframer by eliminating the need for mounting an auxiliary power unit to the tail section of the aircraft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.