GB556182A - Electro-magnetically-operated clutches or brakes - Google Patents
Electro-magnetically-operated clutches or brakesInfo
- Publication number
- GB556182A GB556182A GB493842A GB493842A GB556182A GB 556182 A GB556182 A GB 556182A GB 493842 A GB493842 A GB 493842A GB 493842 A GB493842 A GB 493842A GB 556182 A GB556182 A GB 556182A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- disc
- friction
- wear
- electromagnet
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
- F16D27/08—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged externally to the flux
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
556,182. Brakes. ROVER CO., Ltd., and IVERSEN, P. A. SCOTT-. April 15, 1942, No. 4938. [Class 103 (i)] [Also in Group XXIV] In an electromagneticallyoperated friction device, e.g. brake or clutch, in which the main frictional engagement is effected at the surface of a non-magnetic frictional material, the magnetic circuit has co-acting parts which are relatively rotatable during engagement but provide no air-gap or only an extremely small one and which can wear at about the same rate as, or at a greater rate than, the rate of wear between the frictional driving surfaces. As shown, a flywheel 11 on a driving shaft 13 has friction plates 21 co-acting with friction plates 22 on a disc 23 on a driven shaft 25. The flywheel 11 carries an electromagnet 17 of magnetic steel the coil 18 of which is positioned by an annular disc 19 of non-magnetic material. The magnet armature comprises a disc 26 fixed to the driven disc 23 and made of magnetic metal powder compressed and/or cemented by a binder so that its surface can wear away by friction when engaged by the adjacent face of the electromagnet. In a modification the electromagnet comprises an annular series of coils and the friction faces are lightly pressed together by springs. In another modification the armature disc 26 is of cast iron and the surface of the magnet has a plurality of files or like abradant members in its surface to ensure that the surface of the armature will be worn down at a greater rate than wear will occur between the non-magnetic friction surfaces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB493842A GB556182A (en) | 1942-04-15 | 1942-04-15 | Electro-magnetically-operated clutches or brakes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB493842A GB556182A (en) | 1942-04-15 | 1942-04-15 | Electro-magnetically-operated clutches or brakes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB556182A true GB556182A (en) | 1943-09-23 |
Family
ID=9786674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB493842A Expired GB556182A (en) | 1942-04-15 | 1942-04-15 | Electro-magnetically-operated clutches or brakes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB556182A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580869A (en) * | 1949-05-06 | 1952-01-01 | Martin P Winther | Magnetic clutch with a magnetic lining |
US2605877A (en) * | 1949-12-13 | 1952-08-05 | Martin P Winther | Magnetic clutch |
US2693261A (en) * | 1951-01-27 | 1954-11-02 | Eaton Mfg Co | Magnetic disk clutch |
US2695695A (en) * | 1950-05-31 | 1954-11-30 | Chrysler Corp | Electromagnetically operated clutch or brake |
US2872001A (en) * | 1954-06-10 | 1959-02-03 | Gen Electric | Magnetic particle clutch with briquette clutch member |
US2991864A (en) * | 1955-10-05 | 1961-07-11 | Prachar Cyril | Automatic clutch device for automobile vehicles |
US2998877A (en) * | 1955-11-23 | 1961-09-05 | Zahnradfabrik Friedrichshafen | Electromagnetic friction clutch |
DE1137117B (en) * | 1959-12-03 | 1962-09-27 | Heinrich Baumueller Fabrik Fue | Electric brake motor |
DE102010055647A1 (en) | 2010-12-22 | 2012-06-28 | Volkswagen Aktiengesellschaft | Friction device for magnetic coupling device, comprises supporting plate and friction body having friction surface, where multiple magnetized guide bodies are arranged at supporting plate |
-
1942
- 1942-04-15 GB GB493842A patent/GB556182A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580869A (en) * | 1949-05-06 | 1952-01-01 | Martin P Winther | Magnetic clutch with a magnetic lining |
US2605877A (en) * | 1949-12-13 | 1952-08-05 | Martin P Winther | Magnetic clutch |
US2695695A (en) * | 1950-05-31 | 1954-11-30 | Chrysler Corp | Electromagnetically operated clutch or brake |
US2693261A (en) * | 1951-01-27 | 1954-11-02 | Eaton Mfg Co | Magnetic disk clutch |
US2872001A (en) * | 1954-06-10 | 1959-02-03 | Gen Electric | Magnetic particle clutch with briquette clutch member |
US2991864A (en) * | 1955-10-05 | 1961-07-11 | Prachar Cyril | Automatic clutch device for automobile vehicles |
US2998877A (en) * | 1955-11-23 | 1961-09-05 | Zahnradfabrik Friedrichshafen | Electromagnetic friction clutch |
DE1137117B (en) * | 1959-12-03 | 1962-09-27 | Heinrich Baumueller Fabrik Fue | Electric brake motor |
DE102010055647A1 (en) | 2010-12-22 | 2012-06-28 | Volkswagen Aktiengesellschaft | Friction device for magnetic coupling device, comprises supporting plate and friction body having friction surface, where multiple magnetized guide bodies are arranged at supporting plate |
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