Air turbine starter having a dual clutch

Details Air turbine starter having a dual clutch Air turbine starter having a dual clutch

1992-03-25

1993-12-07

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Different fluids

192 483, 192 67R, 192 99A, F02C 726

Patent

active

052674339

ABSTRACT:
This invention relates to a clutch mechanism for selective power transmission between starter means and an engine. More particularly, the invention discloses a dual clutch mechanism for use in selectively coupling a turbine driven starter assembly with a gas turbine engine to affect engine start up and disengage thereafter. The invention provides a clutch mechanism, comprised of two clutches in series, which can deliver positive torque transmission from a starter to an engine at any speed within an operating range and disengages at any speed greater than the operating range.

REFERENCES:
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patent: 2999356 (1961-09-01), Ferguson, Jr.
patent: 3003313 (1961-10-01), Bunger
patent: 3087305 (1963-04-01), Hertzog
patent: 3360928 (1968-01-01), Valentine et al.
patent: 3521505 (1970-07-01), Sebring
patent: 4253557 (1981-03-01), Bunger
patent: 4427101 (1981-01-01), Maucher et al.
patent: 4768634 (1988-12-01), Quick et al.
patent: 4773518 (1988-09-01), Road et al.
patent: 4871296 (1989-10-01), Laessle et al.
patent: 4899534 (1990-02-01), Sorenson
patent: 4914906 (1990-04-01), Burch
patent: 4926631 (1990-05-01), Sorenson
"ATS Dual (Sprag) Clutch & Double Clutch" Garrett Engine Division Sep. 7, 1990-Video.

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