Combined aircrew systems tester (CAST)

Details Combined aircrew systems tester (CAST) Combined aircrew systems tester (CAST)

2007-09-18

2007-09-18

Douglas, Steven O. (Department: 3771)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

C600S019000, C600S020000

Reexamination Certificate

active

10898588

ABSTRACT:
The invention enables testing of nearly all aircrew equipment including COMBAT EDGE system components which include a mask, a G-suit, communication systems, and a goggle. A gas system includes an input filter, a first compressor comprising at least one blower, preferably three blowers connected in series, a second compressor, a first flow sensor, a second flow sensor, a first flow valve, a second flow valve, a regulator, a first pressure sensor, a second pressure sensor, a first pressure valve, a second pressure valve, and a controller. The second compressor produces a lower flow at a higher pressure than the first compressor. When the G-suit inflates, initially there is a large change in volume without much change in pressure, and then, as the G-suit fills and becomes firm, the change in volume slows down and the rate of the pressure increases. A normal breathing test, a preflight test, a fit test, a G-suit leak test and two dynamic flow leak tests are conducted.

REFERENCES:
patent: 4230097 (1980-10-01), Beaussant et al.
patent: 4336590 (1982-06-01), Jacq et al.
patent: 4906990 (1990-03-01), Robinson
patent: 5199426 (1993-04-01), Aldworth et al.
patent: 5318018 (1994-06-01), Puma et al.
patent: 5536232 (1996-07-01), Farrell et al.
patent: 6805121 (2004-10-01), Flood et al.

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