Ships – Towing or pushing – Towing by means of cable
Patent
1985-01-14
1986-03-11
Basinger, S. D.
Ships
Towing or pushing
Towing by means of cable
B63B 2104
Patent
active
045747237
ABSTRACT:
A paravane handling system which includes a wing-shaped paravane (40) connected by four lines to a hitching device (28) which in turn is connected by a main line (26) to a winch onboard a vessel (10). The main line (26) is arranged to have air gun cable arrays attached thereto for surveying the ocean floor. Vessel (10) also includes a drum retrieval winch (18) for controlling a retrieval line (20) which is connected to a latching mechanism (24) arranged to run along the main line (26) and engage with the hitching device (28) of the paravane (40). A unidirectional stop (42) is released when the latching mechanism (24) is pulled back toward the vessel (10) and allows the lower two paravane lines (34) and (36) to slacken so that the paravane (40) assumes a horizontal position and planes along the surface of the water as it is pulled back to vessel (10) by the retrieval line (20). The paravane (40) also includes a winch device (78) which is remotely controllable by an operator onboard the vessel (10) to change the length of the rear paravane lines (36) and (38) to the hitching device (28) and thereby change the angle of incidence of the paravane relative to the water. Another paravane construction (100) includes remotely controllable rudder devices (108) and (110) for varying the angle of incidence and therefore the direction of travel of the paravane. A propeller driven generator (88, 130) supplies power to the controlled elements of the respective paravane constructions.
REFERENCES:
patent: 346689 (1889-08-01), Schoening
patent: 2980052 (1961-04-01), Fehlner
patent: 3774570 (1973-11-01), Pearson
patent: 4033278 (1977-07-01), Waters
patent: 4270479 (1981-06-01), Baker et al.
Babb Harvey M.
Chiles Michael J.
Basinger S. D.
Howison Gregory M.
Mills Jerry W.
Sotelo Jesus
VMW Industries, Inc.
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