Title: Gas turbine engine cooling system

Abstract: A device to produce engine braking on a two-shaft gas turbine engine including an air brake compressor on the power turbine shaft for absorbing energy from the power turbine shaft thereby to control power transfer to a power output shaft. The system includes a variable control assembly to throttle inlet air flow to the air brake compressor so as to regulate the amount of power absorption from the power turbine shaft.

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Inventors: Bell, III, Albert H. (Birmingham, MI, US)

Application Number: 647449
Filing Date: 1976-01-07
Publication_date: 1976-09-28
Assignee: General Motors Corporation (Detroit, MI)
Primary Class(es): 60/791 60/39.5, 60/726
Other Classes:
US Patent Ref:

3551068	Dec, 1970	Scalzo	415/116.
3678285	Jul, 1972	Griffith	60/39.
3742705	Jul, 1973	Sifford	415/116.

Other Refs:
Primary Examiner: Croyle, Carlton R.
Assistant Examiner: Caseragola, L. J.
Attorney: Evans; John C.