Balancing device for air floaters

Details Balancing device for air floaters Balancing device for air floaters

1991-04-26

1993-04-06

Focarino, Margaret A.

Aeronautics and astronautics

Aircraft control

Stabilizing weights

244 96, 244 31, B64B 140

Patent

active

051996677

ABSTRACT:
An air floater comprises a balloon body which seals a gas therein and balancing means detachably attached to the balloon body. The balloon body comprises a film composed of a central layer made of ethylene-vinyl alcohol copolymer-resin, an aluminum evaporated layer provided outside the central layer, and a heated adhesive layer provided inside the central layer. The balancing means comprises a plurality of magnetic cards which are attracted by an attraction portion composed of a magnetic body attached to the balloon body. The plurality of magnetic cards includes one card having a reference weight matched with the buoyant force of the balloon body, first weight balancing cards having weight heavier by stages than the reference weight, and second weight balancing cards having weight lighter by stages than the reference weight. The balancing means may comprise sublimate sealed in a bag body. The balancing means also may comprise a balancer cover composed of an adhesive surface portion having a rear surface to be adhered to the balloon body, a cover portion, a folding portion for integrally connecting both the adhesive surface portion and the cover portion, a balancer composed of one sheet and capable of separating into a reference balancer and a regulating balancer, and a both-sided adhesive sheet for rendering the reference balancer to adhere to the surface of the adhesive surface portion. The air floater is adapted for use as a miniature airship.

REFERENCES:
patent: 4014280 (1977-03-01), Laxo
patent: 5042748 (1991-08-01), Conn

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