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Patent Searching and Data


Title:
浄水装置
Document Type and Number:
Japanese Patent JP3991121
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a water purification device allowing sea water to pass through a reverse osmosis membrane (RO membrane) even by power supply for domestic use of 100 volts, and also reducing facility cost greatly. SOLUTION: In this water purification device for passing water containing impurities through the reverse osmosis membrane under a high pressure to change it into treated water from which impurities are removed, a pump for making the water containing impurities high pressure water is constituted in such a way that it has an inner cylinder 1 fitted into a fitting hole of a device main body turnably, a cylinder 3 fitted slidably into the inner cylinder 1, and a plurality of through-holes 7, 8 formed in the inner cylinder 1 and the through- hole on one side of the inner cylinder is communicated with a discharge hole of the device main body when the cylinder 3 reciprocates in the interlocking relationship with the rotation of the inner cylinder and the through hole 7 or 8 on the other side of the inner cylinder is communicated with a suction hole of the device main body and the water containing impurities is discharged from the communicated discharge hole when absorbing the water containing impurities from the communicated suction hole.

Inventors:
Kazumasa Ikuta
Application Number:
JP2001354116A
Publication Date:
October 17, 2007
Filing Date:
November 20, 2001
Export Citation:
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Assignee:
Basity Service Co., Ltd.
International Classes:
F04B7/06; F04B49/06; B01D61/02; C02F1/44; F04B19/22
Domestic Patent References:
JP9287551A
JP40004920Y1
JP6507190A
JP9324743A
JP64027480U
JP9038639A
Attorney, Agent or Firm:
Hitoshi Inagaki