Drag reducing device for barges

Details Drag reducing device for barges Drag reducing device for barges

1984-01-26

1985-04-30

Blix, Trygve M.

Ships

Building

Antifriction surfaces

114271, 114288, 114242, B63B 138

Patent

active

045136793

ABSTRACT:
A drag reducing device for barges including a flexible mat carrying a plurality of transversely spaced, elongated flexible tubular air passages open at the top and bottom, suspended from one end of a barge, extending transversely of the barge and adapted to swing longitudinally of the barge as the barge moves longitudinally through a body of water, whereby air from the atmosphere is conducted through the tubular air passages to an area beneath the barge.
The drag reducing device is particularly adapted for suspension between the adjacent ends of a pair of barges connected in tandem so that the flexible mat and tubular members swing in a trailing longitudinal direction to direct air beneath the bottom surface of the trailing barge.

REFERENCES:
patent: 661303 (1900-11-01), Briggs
patent: 3266067 (1966-08-01), Windle
patent: 3473503 (1969-10-01), Gunther

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