Auxiliary facilities for the maneuvering of submerged water...

Details Auxiliary facilities for the maneuvering of submerged water... Auxiliary facilities for the maneuvering of submerged water...

2006-10-24

2006-10-24

Vasudeva, Ajay (Department: 3617)

Ships

Steering mechanism

Fluid pressure

C114S330000, C440S040000, C440S043000

Reexamination Certificate

active

07124698

ABSTRACT:
The hull of a submerged sea craft adjacent its stern end is provided with auxiliary facilities for controlled maneuvering operations under low speed conditions, including steering, stopping and negative thrust backing performed independently of main propulsion of the craft. The auxiliary maneuvering control facilities include a curved channel pipe connected to two angularly related sub-channel pipe sections for selectively controlled outflow of fluid which is pressurized by a maneuvering control pump within the curved channel pipe before outflow through exit openings in the hull in different directions, as negative angle thrust jets and as steering control jets perpendicular to the hull centerline. By use of a sub-channel flow diverting flapper and gate valves at the inlet and exit outlet openings in the hull, all of the maneuvering operations may be performed under selective control.

REFERENCES:
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patent: 3209717 (1965-10-01), Campbell et al.
patent: 3675611 (1972-07-01), Glass
patent: 4056073 (1977-11-01), Dashew et al.
patent: 4138963 (1979-02-01), Thompson
patent: 4455960 (1984-06-01), Aker
patent: 5758592 (1998-06-01), Benson, Jr.
patent: 6932013 (2005-08-01), Shen et al.
U.S. Nonprovisional Appl. No. 10/781,957 filed Feb. 20, 2004 entitled “Maneuvering of Submerged Propelled Sea Craft”.
U.S. Nonprovisional Appl. No. 10/985,070 filed Nov. 5, 2004, Navy Case No. 95,179, entitled “High Speed Braking of Submerged Propelled Sea Craft”, now Patent 6,983,710.

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