JPS57113819A - Checking device for filter - Google Patents
Checking device for filterInfo
- Publication number
- JPS57113819A JPS57113819A JP56000662A JP66281A JPS57113819A JP S57113819 A JPS57113819 A JP S57113819A JP 56000662 A JP56000662 A JP 56000662A JP 66281 A JP66281 A JP 66281A JP S57113819 A JPS57113819 A JP S57113819A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- damper
- cooling
- exchanging
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
PURPOSE: To exchange a filter without lowerig the filtering efficiency even during the running of a device to be cooled, by sounding an alarm responding to the increase of press, difference between the inside and outside of said device and simultaneously closing a filtering part by a damper.
CONSTITUTION: Cooling air necessary for collector rings 2 of an generator 1 and an energizing apparatus 3 is sucked through a filter 4 or 5 and is discharged from an air discharging port 6 aftr cooling. The draft is obtained by a cooling fan 7 attached to the apparatus 3. A clogging of the filter 4 generates as the running time elapses; when the press. difference is attained a required level of the filter exchanging, an alarm is sounded by the action of a differential pressure switch 8, and a damper 10 is automatically switched through a driving device 11. An air path at the side of the filter 4 is closed by switching the damper 10, and other filter 5 is used. Accordingly, the exchanging of the filter 4 is performed without lowering the filtering function.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56000662A JPS57113819A (en) | 1981-01-08 | 1981-01-08 | Checking device for filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56000662A JPS57113819A (en) | 1981-01-08 | 1981-01-08 | Checking device for filter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57113819A true JPS57113819A (en) | 1982-07-15 |
Family
ID=11479930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56000662A Pending JPS57113819A (en) | 1981-01-08 | 1981-01-08 | Checking device for filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57113819A (en) |
-
1981
- 1981-01-08 JP JP56000662A patent/JPS57113819A/en active Pending
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