GB889625A - Improvements in or relating to clutches and couplings - Google Patents
Improvements in or relating to clutches and couplingsInfo
- Publication number
- GB889625A GB889625A GB693359A GB693359A GB889625A GB 889625 A GB889625 A GB 889625A GB 693359 A GB693359 A GB 693359A GB 693359 A GB693359 A GB 693359A GB 889625 A GB889625 A GB 889625A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- coupling
- coil
- disc
- polepieces
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/06—Dynamo-electric clutches; Dynamo-electric brakes of the synchronous type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
889,625. Magnetic couplings. GENERAL ELECTRIC CO. Ltd., and POLGREEN, G. R. Feb. 26, 1960 [Feb. 27, 1959], No. 6933/59. Class 35. In a magnetic coupling a permanent magnet 11 having annular polepieces 12, 13 surrounds and excites two coaxial, disc-shaped rotors which have axially-directed peripheral teeth which, when aligned, provide low reluctance flux paths between the magnetic polepieces. The magnet comprises barium ferrite and the polepieces 12, 13, which are of laminated mild steel may also contain a coil 15 which bucks or boosts the magnetic flux and so controls the coupling effect. The rotors comprise two identical non-magnetic, e.g. brass, or aluminium, disc-shaped members 5, 6 provided with peripherally-mounted silicon steel U- shaped projections 7 on their adjacent inner surfaces. Alternatively, the projections may be formed by silicon steel stampings cemented with epoxy resin into peripheral radial slots in each disc. The projections on the driving and driven members tend to align to offer the path of least reluctance and thus torque is transmitted from one member to the other. Beyond an upper limit the coupling slips and alternating current is induced in coil 15 and the slip energy may be dissipated in a resistance 16 or fed to an external circuit and rectified for charging the battery 18 which supplies the coupling control current to the coil 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB693359A GB889625A (en) | 1959-02-27 | 1959-02-27 | Improvements in or relating to clutches and couplings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB693359A GB889625A (en) | 1959-02-27 | 1959-02-27 | Improvements in or relating to clutches and couplings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB889625A true GB889625A (en) | 1962-02-21 |
Family
ID=9823499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB693359A Expired GB889625A (en) | 1959-02-27 | 1959-02-27 | Improvements in or relating to clutches and couplings |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB889625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3606012A1 (en) * | 1986-02-25 | 1987-08-27 | Thomson Brandt Gmbh | CLUTCH DEVICE |
-
1959
- 1959-02-27 GB GB693359A patent/GB889625A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3606012A1 (en) * | 1986-02-25 | 1987-08-27 | Thomson Brandt Gmbh | CLUTCH DEVICE |
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