AQUARIUM ORNAMENTAL DEVICE
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United States of America Patent
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app pub date -
Mar 13, 2017
filing date -
Mar 11, 2016
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Abstract
Disclosed is an aquarium ornamental device. An aquarium ornamental device comprises a compressor configured for compressing inlet air, a multiport valve that is electromechanical or mechanically actuated, a plurality of pipes, and an expandable-and-shrinkable member having at least one one-way valve; the compressor, the multiport valve, and the expandable-and-shrinkable member are connected one another in sequence by means of the pipes; the compressor and the multiport valve are placed outside the aquarium, and the expandable-and-shrinkable member having the one-way valve is placed in the water contained within the aquarium.
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