Turbopropeller or turbofan gas turbine engine

Details Turbopropeller or turbofan gas turbine engine Turbopropeller or turbofan gas turbine engine

1987-12-15

1989-01-24

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Different fluids

602261, 74768, 416 32, F02C 7268

Patent

active

047993545

ABSTRACT:
A turbopropeller, or turbofan, gas turbine engine comprising a single spool core engine arranged to drive a propeller, or a fan, via gear means may be provided with a starter motor, and a clutch means.
The clutch means disengages the propeller, or fan, from the gear means and core engine when the core engine is at rest or running below a predetermined speed to allow easy starting of the core engine by the starter motor. The clutch means engages the propeller, or fan, with the gear means and core engine when the core engine is running at or above the predetermined speed.
An axially moveable piston may be provided to brake the propeller when the clutch means has disengaged the propeller from the core engine.

REFERENCES:
patent: 2529973 (1950-11-01), Sedille et al.
patent: 2583872 (1952-01-01), Newcomb
patent: 2838913 (1958-06-01), Peterson et al.
patent: 2852912 (1958-09-01), Kelley
patent: 3093010 (1963-06-01), Spreitzer et al.
patent: 4251987 (1981-02-01), Adamson

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