Patent ID: 9676454
Date: 2017-06-13
CPC Classifications: B63B,G01V

Claim:
1. A deflector configured to be attached to a cable towed by a vessel, the deflector comprising: a foil configured to provide a lift force; first and second bulbs attached to opposite ends of the foil; and a joint attached to the foil and configured to receive the cable, wherein the first and second bulbs are offset by a predetermined distance from a plane that extends through the foil, at least one of the first and second bulbs has a longitudinal axis that makes a non-zero angle (θ) with a cord of the foil, the cord extending in the plane, a center of buoyancy of the deflector lays inside the joint, and the joint comprises an inside part configured to be fixedly attached to the cable and an outside part having a cavity configured to house the inside part, wherein the outside part rotates relative to the inside part, the inside part has a groove and the outside part has a cam that fits into the groove and moves along the groove.