Title:
DEAERATION APPARATUS
Document Type and Number:
Japanese Patent JP3682431
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a deaeration apparatus in which the deaeration operation and the exhaust operation in a gas-liquid separation tank are performed without using an expensive automatic three-way valve.
SOLUTION: A first check valve 44 is provided in a first passage 43 communicating with a liquid inlet 41 and a second check valve 46 is provided in a second passage 45 connected to the liquid inlet 41 in parallel to the 1st check valve 44. The tightly close gas-liquid separation tank 48 for separating a gas from a liquid is provided in the first passage 43 having the first check valve 44 and a flow control valve 47 communicating with the first check valve 44. One of suction and discharge ports 56 of a bi-directional liquid circulation pump 55 communicates with a liquid retaining part 51 of the gas-liquid separation tank 48 and another suction and discharge port 57 communicates with the second check valve 46. A third check valve 64 is provided in a third passage 63, through which another suction and discharge port 57 of the circulation pump 55 communicates with a liquid outlet 61. A stop valve 67 for an exhaust gas is provided in a passage 66 for the exhaust gas, through which a gas retaining part 53 of the gas-liquid separation tank 48 communicates with an exhaust gas outlet 65.
Inventors:
Yukio Hashimoto
Ishikawa Masayo
Ishikawa Masayo
Application Number:
JP2001333354A
Publication Date:
August 10, 2005
Filing Date:
October 30, 2001
Export Citation:
Assignee:
Nikuni Co., Ltd.
International Classes:
B01D19/00; (IPC1-7): B01D19/00
Domestic Patent References:
| JP2000325703A | ||||
| JP2045104A | ||||
| JP56044806A | ||||
| JP6210272A |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada