Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1998-05-15
2000-01-25
Till, Terrence R.
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
15 17, 210169, 2104162, E04H 416
Patent
active
060174005
ABSTRACT:
A method and system for cleaning an underwater floor is disclosed. The method includes: submerging a self-propelled underwater vehicle into a body of water, such as a basin, for example; directing the vehicle to traverse the basin floor; suctioning sediment particles from the basin floor as the vehicle traverses the floor; and providing a suction force to the vehicle. In one embodiment, the act of suctioning includes removing substantial amounts of particles smaller than a predetermined size from the floor while not removing substantial amounts of particles larger than the predetermined size from the floor. The system includes: the submersible, self-propelled vehicle for traversing the underwater floor; a first vacuum hood, coupled to the vehicle, for suctioning sediment particles from the underwater floor; and a first pump, coupled to the hood, for providing a suction force to the hood. In one embodiment, the first vacuum hood is configured to remove substantial amounts of particles smaller than a predetermined size from the floor while not removing substantial amounts of particles larger than the predetermined size from the floor.
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Clark Andrew M.
Flowers Allan
Holt John
Lopata Marc
Miyake Michio
Orange County Water District
Till Terrence R.
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