JPS56133996A - Constant torque generator - Google Patents
Constant torque generatorInfo
- Publication number
- JPS56133996A JPS56133996A JP3674880A JP3674880A JPS56133996A JP S56133996 A JPS56133996 A JP S56133996A JP 3674880 A JP3674880 A JP 3674880A JP 3674880 A JP3674880 A JP 3674880A JP S56133996 A JPS56133996 A JP S56133996A
- Authority
- JP
- Japan
- Prior art keywords
- disc
- magnetic circuit
- coil
- torque
- circuit section
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
Abstract
PURPOSE:To exactly obtain a constant torque over a wide temperature range by providing a magnetic circuit section having a coil wherein the current of the coil is controlled in accordance with the temperature detecting signal at the vicinity of a rotating disc. CONSTITUTION:With a motor 11 rotating with a constant speed, magnetic circuit sections 15, 16 also rotate at the same speed. A magnetic flux is caused by a permanent magnet 18 so that a rotating disc 23 may cross a gap 19 and an eddy current is generated at the disc 23 by the rotation of the magnetic circuit section 15. As a result, the disc 23 receives a torque which is directly proportional to the rotary speed of a motor 11. The temperature at the vicinity of the disc 23 is detected to control the current of the coil 21 in the magnetic circuit section 16 in accordance with the deviation between a temperature detecting signal and a reference signal and variations caused by the temperatures at the generated torque is corrected. In this way, a constant torque will exactly be obtained over a wide temperature range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3674880A JPS56133996A (en) | 1980-03-22 | 1980-03-22 | Constant torque generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3674880A JPS56133996A (en) | 1980-03-22 | 1980-03-22 | Constant torque generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56133996A true JPS56133996A (en) | 1981-10-20 |
Family
ID=12478347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3674880A Pending JPS56133996A (en) | 1980-03-22 | 1980-03-22 | Constant torque generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56133996A (en) |
-
1980
- 1980-03-22 JP JP3674880A patent/JPS56133996A/en active Pending
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