Ships – Submersible device – With disparate vehicle feature
Patent
1997-06-04
1999-09-07
Avila, Stephen
Ships
Submersible device
With disparate vehicle feature
114337, 114222, B63G 800
Patent
active
059470518
ABSTRACT:
An underwater self-propelled surface-adhering robotically operated vehicle capable of being navigated through a volume of water and of adhering itself to an underwater surface and traversing along the surface. The vehicle has a main body with an interior suction chamber and a motor driven impeller disposed in the chamber to draw water through the bottom end of the chamber and expel it at the top end and thereby create a negative pressure force at the bottom end to maintain the vehicle in contact with the underwater surface. Thrusters on the main body allow the vehicle to be driven through a volume of water before and after attachment to the underwater surface as well as to hold station in mid water for tasks and inspections. The vehicle may be provided with an evacuable enclosure to provide an environment for task accomplishment and with measurement and inspection devices and tools for underwater hull cleaning, welding, and other underwater tasks.
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patent: 4252467 (1981-02-01), Amrhein
patent: 4799825 (1989-01-01), Meyerhoff et al.
patent: 5014803 (1991-05-01), Urakami
patent: 5048445 (1991-09-01), Lever et al.
patent: 5174222 (1992-12-01), Rogers
patent: 5419272 (1995-05-01), Bakstein et al.
Avila Stephen
Roddy Kenneth A.
LandOfFree
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