Sonar device (301) intended to be towed by a surface ship (B) and comprising a towing cable (2) and a set of at least one towed device comprising a towed body (4) intended to be towed by the surface ship (B) via the towing cable (2), the towed body (4) being elongated along a longitudinal axis (l) from a first longitudinal end (42) of the towed body to a second longitudinal end (43) of the towed body (4), the towed body (4) incorporating a first linear acoustic antenna (40) comprising a plurality of electroacoustic transducers (41) substantially aligned along the longitudinal axis (l), the towed device being configured and connected to the towing cable such that the towed body is capable of having, when it is towed and fully submerged, an orientation wherein the longitudinal axis (l) extends substantially along a vertical axis defined by the force of gravity, at least one towed body of the set of towed bodies being connected to the towing cable (2) by a first hanger (6) and a second hanger (7) having substantially the same length, a first end (6a) of the first hanger (6) and a first end (7a) of the second hanger (7) being connected to the towing cable and a second end (6b) of the first hanger (6) being attached to the towed body (4) at a fastening point (44) of the towed body (4) located near the first longitudinal end (42) and a second end (7b) of the second hanger (7) being attached to the towed body (4) at a second fastening point (45) rigidly connected to the first fastening point (44) and located near the second longitudinal end (43).
Sonar device and sonar system
2022-01-06
Patent
Electronic Resource
English