F - Mech Eng,Light,Heat,Weapons – 23 – R
Patent
F - Mech Eng,Light,Heat,Weapons
23
R
F23R 3/04 (2006.01) B64D 41/00 (2006.01) F02C 6/16 (2006.01) F02C 7/27 (2006.01) F02C 7/32 (2006.01) F23R 3/26 (2006.01)
Patent
CA 2065158
The invention relates to secondary power system (10) apparatus and method for use aboard aircraft in place of convention- al auxiliary power units (APU's) and emergency power units (EPU's). The invention integrated power unit (12) (IPU) performs the function of both an APU and an EPU, while avoiding the use of hazardous monofuels. The IPU (12) includes a turbine en- gine (20) operable on pressurized ambient air, or on pressurized stored air, along with jet engine fuel. The structure of a combus- tion chamber (26) for the engine which is able to use pressurized air from two separate sources; of a control (18) able to selective- ly operate the engine as an EPU, as an APU, and to effect operating transition from EPU to APU; and of a complete secondary power system (10) with the IPU (12) are all disclosed.
Caan William
Klaass Reinhard M.
Minshall Bert J.
Suriano Francis J.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
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