Title:
AERATOR
Document Type and Number:
Japanese Patent JP3693808
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To resolve problems of a conventional aerator in which (1) dissolved oxygen amount is varied, because the air bent is small and (2) growth of immature fishes, etc., is bad or immature fishes, etc., are died, because water temperature of culture pond is too low in winter season, etc., of cold district when groundwater is used in a culture pond for raising immature fish and (3) the aerator is expensive when used for special-purpose.
SOLUTION: The aerator is obtained by diverting members of a commercial cooling tower apparatus, and the aerator comprises at least frame body, a lower water tank 1, a hermetically sealed type heat exchanger 2 enclosed by a packing material block 2a, a frame 3, a circulating water inlet pipe 4, a circulating water outlet pipe 5 and water temperature control means 8 provided in a hermetically sealed circuit containing a heat exchanger 2, and a circulating water is aerated by the packing material block 2a and the circulating water is heated or cooled through a heat exchanger 2 heated or cooled by the control means 8.
Inventors:
Daisuke Endou
Application Number:
JP8838798A
Publication Date:
September 14, 2005
Filing Date:
April 01, 1998
Export Citation:
Assignee:
Mitsubishi Plastics Co., Ltd.
International Classes:
A01K63/04; (IPC1-7): A01K63/04
Domestic Patent References:
| JP6017469U | ||||
| JP2142432A | ||||
| JP1101096U | ||||
| JP11276018A |
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