JPS56123765A - Revolving armature - Google Patents
Revolving armatureInfo
- Publication number
- JPS56123765A JPS56123765A JP2688480A JP2688480A JPS56123765A JP S56123765 A JPS56123765 A JP S56123765A JP 2688480 A JP2688480 A JP 2688480A JP 2688480 A JP2688480 A JP 2688480A JP S56123765 A JPS56123765 A JP S56123765A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- cooling fan
- magnetic field
- inductor
- shaft
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Synchronous Machinery (AREA)
Abstract
PURPOSE:To reduce both the energy losses and fan noises of a cooling fan without sacrificing cooling effect thereof, by mounting a cylindrical inductor to a cooling fan monolithically and arranging it so that it is interlinked with a revolving magnetic field around a shaft line concentrical with a rotor. CONSTITUTION:A rotor shaft 4 suports a cooling fan 16 rotatably around its shaft line with an intervention of ball bearings 15. The cooling fan 16 has with it a cylindrical inductor 17 monolithically, and the inductor 17 is positioned adjacent to the outer circuit of a rotor 5 and arranged within a revolving magnetic field generated by the rotor 5. When the rotor shaft 4 is driven to rotate and a winding is excited, with magnetic poles 6, 7 forming opposite poles the revolving magnetic field is created around the shaft line of the rotor shaft 4. Some of magnetic flux in the revolving magnetic filed pass through the inductor 17 and are pulled magnetically by the revolving magnetic field to rotate according to the rotation of the rotor 5. According to the rotating speed of the rotor 5, the cooling fan 16 rotates either at a higher or a lower speed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2688480A JPS56123765A (en) | 1980-03-03 | 1980-03-03 | Revolving armature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2688480A JPS56123765A (en) | 1980-03-03 | 1980-03-03 | Revolving armature |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56123765A true JPS56123765A (en) | 1981-09-29 |
Family
ID=12205694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2688480A Pending JPS56123765A (en) | 1980-03-03 | 1980-03-03 | Revolving armature |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56123765A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0417678U (en) * | 1990-06-04 | 1992-02-13 | ||
JP2007187042A (en) * | 2006-01-12 | 2007-07-26 | Shinko Electric Co Ltd | Hydraulic power generation device |
-
1980
- 1980-03-03 JP JP2688480A patent/JPS56123765A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0417678U (en) * | 1990-06-04 | 1992-02-13 | ||
JP2537182Y2 (en) * | 1990-06-04 | 1997-05-28 | 住友特殊金属株式会社 | Actuator for magnetic recording device |
JP2007187042A (en) * | 2006-01-12 | 2007-07-26 | Shinko Electric Co Ltd | Hydraulic power generation device |
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