JPH0329997B2 - - Google Patents
Info
- Publication number
- JPH0329997B2 JPH0329997B2 JP7887381A JP7887381A JPH0329997B2 JP H0329997 B2 JPH0329997 B2 JP H0329997B2 JP 7887381 A JP7887381 A JP 7887381A JP 7887381 A JP7887381 A JP 7887381A JP H0329997 B2 JPH0329997 B2 JP H0329997B2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- lock
- blower
- blower fan
- locked
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims 4
- 238000000034 method Methods 0.000 description 20
- 230000008014 freezing Effects 0.000 description 9
- 238000007710 freezing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7887381A JPS57193798A (en) | 1981-05-25 | 1981-05-25 | Speed controller for blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7887381A JPS57193798A (en) | 1981-05-25 | 1981-05-25 | Speed controller for blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57193798A JPS57193798A (en) | 1982-11-29 |
| JPH0329997B2 true JPH0329997B2 (enrdf_load_stackoverflow) | 1991-04-25 |
Family
ID=13673934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7887381A Granted JPS57193798A (en) | 1981-05-25 | 1981-05-25 | Speed controller for blower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57193798A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57195895A (en) * | 1981-05-27 | 1982-12-01 | Nippon Denso Co Ltd | Blower fan speed control unit |
| CN115853809A (zh) * | 2022-11-23 | 2023-03-28 | 中车永济电机有限公司 | 风机控制装置、控制方法、装置及存储介质 |
-
1981
- 1981-05-25 JP JP7887381A patent/JPS57193798A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57193798A (en) | 1982-11-29 |
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