Apparatus for controlling lateral positioning of a marine seismi

Details Apparatus for controlling lateral positioning of a marine seismi Apparatus for controlling lateral positioning of a marine seismi

1976-02-25

1977-07-05

Kunin, Stephen G.

Ships

Towing or pushing

Submerged object

114281, 340 3T, 340 7PC, B63B 2156, B63B 1700

Patent

active

040332780

ABSTRACT:
Apparatus for controlling the lateral position of a marine seismic cable relative to water current which is effective through utilization of one or more cable paravanes having a thrust adjustable hydrofoil and/or stabilizer elements. The hydrofoil is constructed as a pivotally supportable frame having an elastomeric skin which is supported on the sides of the hydrofoil by movable support members, and a servo-controlled reversible motor is controlled to reciprocate the opposite side support members relative to the hydrofoil longitudinal center line. One or more hydrofoils may then be controlled as to angle of attack and camber from the towing ship by means of acoustic energy transmission and reception at the paravane.

REFERENCES:
patent: 3375800 (1968-04-01), Cole et al.
patent: 3434446 (1969-03-01), Cole
patent: 3611975 (1971-10-01), Ashbrook
patent: 3753415 (1973-08-01), Burtis

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