Title:
DEWATERING-PROOF DEVICE FOR PUMP IN PURIFIER FOR AQUARIUM WATER AND WATER SUCTION PIPE
Document Type and Number:
Japanese Patent JP2002272314
Kind Code:
A
Abstract:
To obviate the necessity of 'priming water'-related operation in restarting a pump in an external mount-type filter device for aquarium water.
A vent valve is set on such a portion of a water suction pipe as to lie on the surface of aquarium water, and air is taken in via the vent valve when a pump comes to a halt to prevent the water in the pump from reversely flowing into the aquarium.
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Inventors:
TAKADA SHUNSUKE
Application Number:
JP2001081214A
Publication Date:
September 24, 2002
Filing Date:
March 21, 2001
Export Citation:
Assignee:
TAKADA SHUNSUKE
International Classes:
A01K63/04; A01K63/00; F04D9/00; (IPC1-7): A01K63/04; A01K63/00; F04D9/00
Attorney, Agent or Firm:
Mitsuo Takahashi
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