Power plants – Combustion products used as motive fluid
Patent
1989-09-21
1991-10-29
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 3927, 60727, 60 39142, F02C 950
Patent
active
050604694
ABSTRACT:
The invention relates to secondary power system apparatus and method for use aboard aircraft in place of conventional auxiliary power units (APU's) and emergency power units (EPU's). The invention integrated power unit (IPU) performs the function of both on APU and an EPU, while avoiding the use of hazardous monofuels. The IPU includes a turbine engine operable on pressurized ambient air, or on pressurized stored air, along with jet engine fuel. The structure of a combustion chamber for the engine which is able to use pressurized air from two separate sources; of a control able to selectively 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 with the IPU are all disclosed.
REFERENCES:
patent: 2643511 (1953-06-01), Briggs
patent: 2711073 (1955-06-01), Atkinson
patent: 2873577 (1959-02-01), Kenney et al.
patent: 3866058 (1975-02-01), Lenssen
patent: 4777793 (1988-10-01), Weigand et al.
patent: 4815277 (1989-03-01), Vershure, Jr. et al.
Caan William
Klaass Reinhard M.
Minshall Bert J.
Suriano Francis J.
Allied-Signal Inc.
Casaregola Louis J.
Holden Jerry J.
Miller Terry L.
Walsh Robert A.
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