GB1467779A - Electromagnetic coupling and cooling system therefor - Google Patents
Electromagnetic coupling and cooling system thereforInfo
- Publication number
- GB1467779A GB1467779A GB1815875A GB1815875A GB1467779A GB 1467779 A GB1467779 A GB 1467779A GB 1815875 A GB1815875 A GB 1815875A GB 1815875 A GB1815875 A GB 1815875A GB 1467779 A GB1467779 A GB 1467779A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drum
- coupling
- grooves
- generally cylindrical
- rotor member
- 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
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/043—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
1467779 Electromagnetic couplings HEENAN DRIVES Ltd 1 May 1975 [28 June 1974] 18158/75 Heading H2A In an electromagnetic coupling wherein a generally cylindrical inductor drum 27 is mounted on a drive shaft 19 and is electro - magnetically coupled to a rotor member 29 on a driven shaft 21 by virtue of flux generated by a coil 47, the drum 27 has a uniform reluctance in the axial direction and has one or more circumferential grooves 57 in an outer heatdissipating surface 55, fluid directing members 61 being disposed on the drum adjacent or contiguous to the surface 55 whereby to direct cooling fluid, e.g. air, into the grooves when the drum rotates. The members 61 are generally cylindrical in shape in the coupling shown, but they could have oval or other (not detailed) cross-sections. The grooves 57 could form a single continuous helical groove. A housing 13, 15, 17 may have apertures (not shown) to allow air to be directed towards the coupling. In the arrangement seen, the rotor member 29 comprises a ring of interdigitated poles 39, 41.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48421074A | 1974-06-28 | 1974-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1467779A true GB1467779A (en) | 1977-03-23 |
Family
ID=23923210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1815875A Expired GB1467779A (en) | 1974-06-28 | 1975-05-01 | Electromagnetic coupling and cooling system therefor |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5825027B2 (en) |
BR (1) | BR7503991A (en) |
DE (1) | DE2522423C2 (en) |
FR (1) | FR2276726A1 (en) |
GB (1) | GB1467779A (en) |
IT (1) | IT1028968B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142482A (en) * | 1983-07-01 | 1985-01-16 | Eaton Corp | Cooling system for dynamoelectric machine |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5919827B2 (en) * | 1978-11-09 | 1984-05-09 | 沖電気工業株式会社 | impact printer |
JPS5714014A (en) * | 1980-06-30 | 1982-01-25 | Multi Giken Kk | Method of molding projected part on plastic sheet or the like |
JPS5825029U (en) * | 1981-08-11 | 1983-02-17 | 三菱電機株式会社 | capacitor device |
JPS5825031U (en) * | 1981-08-11 | 1983-02-17 | 三菱電機株式会社 | capacitor device |
JPS5825033U (en) * | 1981-08-11 | 1983-02-17 | 三菱電機株式会社 | capacitor device |
DE3443523C2 (en) * | 1984-11-29 | 1996-02-29 | Stromag Maschf | Two-stage coupling for driving a cooling fan |
DE19917667A1 (en) * | 1999-04-19 | 2000-10-26 | Zahnradfabrik Friedrichshafen | Electromagnetic hysteresis unit with magnetic N poles which are arranged at circumferential distance to magnetic S poles about rotation axis and alternating to these at magnetic body |
DE10063275A1 (en) * | 2000-12-19 | 2002-06-20 | Vlado Ostovic | AC generator has a concentric coil on its frame side and two rotors rotating concentrically with different RPMs one at high-speed with permanent magnets and one at a slower speed made of solid metal. |
DE10227970A1 (en) * | 2002-06-22 | 2004-01-08 | Zf Friedrichshafen Ag | Device for transferring torques for foodstuff industry, e.g. for bottle closure system, has hysteresis coupling in form of closed housing unit, coupling magnet, rotor and armature arranged in housing |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2345850A (en) * | 1942-04-13 | 1944-04-04 | Martin P Winther | Cooling apparatus |
US2745974A (en) * | 1952-03-26 | 1956-05-15 | Warner Electric Brake & Clutch | Eddy current torque producing device |
DE1048630B (en) * | 1955-10-31 | 1959-01-15 | ||
US3641375A (en) * | 1970-09-04 | 1972-02-08 | Eaton Yale & Towne | Torque-transmitting device |
JPS5235393Y2 (en) * | 1972-08-25 | 1977-08-12 | ||
US3845337A (en) * | 1972-12-22 | 1974-10-29 | Eaton Corp | Electromagnetic coupling having an end mounted field |
-
1975
- 1975-05-01 GB GB1815875A patent/GB1467779A/en not_active Expired
- 1975-05-19 IT IT1261075A patent/IT1028968B/en active
- 1975-05-20 FR FR7515652A patent/FR2276726A1/en active Granted
- 1975-05-21 DE DE19752522423 patent/DE2522423C2/en not_active Expired
- 1975-06-20 JP JP50074575A patent/JPS5825027B2/en not_active Expired
- 1975-06-25 BR BR7505134D patent/BR7503991A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142482A (en) * | 1983-07-01 | 1985-01-16 | Eaton Corp | Cooling system for dynamoelectric machine |
Also Published As
Publication number | Publication date |
---|---|
JPS5114561A (en) | 1976-02-05 |
DE2522423A1 (en) | 1976-01-15 |
FR2276726B1 (en) | 1981-05-08 |
FR2276726A1 (en) | 1976-01-23 |
JPS5825027B2 (en) | 1983-05-25 |
IT1028968B (en) | 1979-02-10 |
DE2522423C2 (en) | 1984-12-13 |
BR7503991A (en) | 1976-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |