Differential geared engine

Details Differential geared engine Differential geared engine

1979-08-22

1981-02-24

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

Combustion products generator

60226R, 74665S, 417405, F02C 306

Patent

active

042519870

ABSTRACT:
A gas turbine engine comprising a fan, a compressor and a turbine, wherein the torque requirements of the fan or compressor can be modulated, is provided with differential gearing to transmit all of the fan and compressor power requirements from the turbine. The differential gearing maintains an adjustable speed relationship between the fan and compressor with respect to the turbine depending upon the torque requirements thereof and the gear ratios within the differential gearing.

REFERENCES:
patent: 2496857 (1950-02-01), Cronstedt et al.
patent: 2693080 (1954-11-01), Hutchinson
patent: 2804748 (1957-09-01), Hutchinson
patent: 3449914 (1969-07-01), Brown
patent: 3632222 (1972-01-01), Cronstedt
patent: 3673802 (1972-07-01), Krebs et al.
patent: 3688505 (1972-09-01), Dison
patent: 3823553 (1974-07-01), Smith
patent: 3853432 (1974-12-01), Cronstedt
patent: 3971208 (1976-07-01), Schwent
patent: 4005575 (1977-02-01), Scott et al.
Doyle et al., "Split Compressor Differential Gas Turbine. . .," Journal of Eng. For Power, 1966, pp. 1-11.
Bowden et al., "Some Thoughts About . . . Gas Turbine Units," Journal of Eng. For Power, 1959, pp. 73-96.

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