Servo operated anti-G suit pressurization system

Details Servo operated anti-G suit pressurization system Servo operated anti-G suit pressurization system

1984-05-24

1985-08-13

Kaplan, G. L.

Surgery

Truss

Perineal

137 38, A61F 537

Patent

active

045343381

ABSTRACT:
A servo operated system for controlling pressurization of an aircraft pils anti-G suit during high energy maneuvers has a servo operated control valve and a feedback loop controller for minimizing pressure lag in the suit. The controller has dual modes of operation: one for normal flight conditions and one for combat flight conditions. The normal flight mode provides nominal G-protection while the combat mode provides faster response by prepressurizing the anti-G suit to a bias level and lowering the G-force threshold. While in the combat mode, the crewman may select an adjustable pulsating signal to be superimposed on the prepressurization level to obtain additional comfort. Alternatively, he may select a superimposed pulsating signal which is synchronized with his own heartbeat to reinforce the pumping action of the heart.

REFERENCES:
patent: 3780723 (1973-12-01), Van Patten et al.
patent: 4219039 (1980-08-01), Jaggars
patent: 4243024 (1981-01-01), Crosbie et al.
patent: 4336590 (1982-06-01), Jacq et al.

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