Dual range air turbine starter

Details Dual range air turbine starter Dual range air turbine starter

1989-03-31

1991-08-27

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

Control of clutch or brake surface

415123, 60 39142, F02C 7275

Patent

active

050429639

ABSTRACT:
An air turbine starter for use aboard aircraft includes a dual range power train and a clutch automatically shifting between the ranges according to the use being experienced by the starter. Main engine starts may be achieved more quickly, while ground check out of aircraft systems using the starter to power main engine accessory devices via the engine gear box may be performed with better power input to the accessories and improved efficiency.

REFERENCES:
patent: 2625049 (1953-01-01), Wood
patent: 2874585 (1959-02-01), Lasley
patent: 3481145 (1969-12-01), Oldfield
patent: 3521505 (1970-07-01), Sebring
patent: 3797247 (1974-03-01), Schwartzman
patent: 4542722 (1985-09-01), Reynolds

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