Dual shaft gasifier spool for two shaft gas turbine engine

Details Dual shaft gasifier spool for two shaft gas turbine engine Dual shaft gasifier spool for two shaft gas turbine engine

1978-09-14

1980-06-10

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

74DIG5, F02C 310

Patent

active

042065968

ABSTRACT:
A gas turbine engine for vehicular road type operation includes a gasifier spool and a power turbine spool driven by gases from a gas turbine engine combustor and wherein the gasifier spool includes first and second shaft portions thereon one of which is connected to the gasifier compressor and the other of which is connected to the gasifier turbine. A clutch and brake controlled planetary gear set cooperate to define a rotor speed responsive lock-up assembly for controlling relative rotation of the two shaft portions of the gasifier spool and include means responsive to compressor discharge pressure and a first speed of the gasifier turbine shaft portion to control engagement of a clutch and control release of a planetary gear set brake band to cause both shaft portions of the gasifier spool to either rotate as a single unit or at a predetermined speed difference for maintaining optimal, aerodynamically improved incidence angles of gas flow across the gasifier turbine blades during both part load vehicle operation and full road load vehicle operation.

REFERENCES:
patent: 2197197 (1940-04-01), Hersey
patent: 2960825 (1960-11-01), Sampietro et al.
patent: 3287903 (1966-11-01), Wickman
patent: 3997283 (1976-12-01), Kronogard

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