Power plants – Combustion products used as motive fluid
Patent
1990-12-05
1992-11-10
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
60 39461, 60736, F02C 100, F02G 300
Patent
active
051613654
ABSTRACT:
A secondary power generating system and method is provided that can drive an aircraft's accessories, and deliver cooling flow and fuel flow to a propulsion engine such as a turbojet, ramjet or turboramjet. This system and method employs a heat exchanger in which high pressure, endothermic, liquid fuel absorbs heat from the air exiting the engine's compressor and as a result is transformed into a high pressure, gaseous fuel. The high pressure gas is expanded across a motor which extracts the pressure energy and converts this energy into mechanical power for driving accessories. The gas is then fed into the engine's combustor where it is ignited. The cooled air exiting the heat exchanger is returned to the propulsion engine and is used for cooling various components such as blades and shafts therein.
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G. L. Roth and O. L. Williamson, "How to use fuel as a heat sink", Space-Aeronautics, Mar. 1960, pp. 56-61.
Allied-Signal Inc.
Bertsch Richard A.
Holden Jerry J.
McFarland James W.
Richman Howard R.
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