GB1228004A - - Google Patents
Info
- Publication number
- GB1228004A GB1228004A GB1228004DA GB1228004A GB 1228004 A GB1228004 A GB 1228004A GB 1228004D A GB1228004D A GB 1228004DA GB 1228004 A GB1228004 A GB 1228004A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- network
- capacitor
- frequency
- varied
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0444—Details of devices to control the actuation of the electromagnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2526568 | 1968-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1228004A true GB1228004A (sv) | 1971-04-15 |
Family
ID=10224911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1228004D Expired GB1228004A (sv) | 1968-05-27 | 1968-05-27 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1228004A (sv) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638093A (en) * | 1971-04-19 | 1972-01-25 | Rohr Corp | Magnetic suspension and propulsion system |
FR2370661A1 (fr) * | 1976-11-16 | 1978-06-09 | Goeppinger Magnetfabrik | Installation de transport |
EP1439012A1 (en) * | 1997-09-24 | 2004-07-21 | Mitsubishi Heavy Industries, Ltd. | Automatic plate bending system using high frequency induction heating |
EP1594211A3 (en) * | 2004-05-06 | 2006-01-11 | ROLLS-ROYCE plc | Electromagnetic bearing with two power sources having distinct voltage; Demagnetising permanent magnets upon failure in an electrical machine |
-
1968
- 1968-05-27 GB GB1228004D patent/GB1228004A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638093A (en) * | 1971-04-19 | 1972-01-25 | Rohr Corp | Magnetic suspension and propulsion system |
DE2219154A1 (de) * | 1971-04-19 | 1972-11-09 | Rohr Corp., Chula Vista, Calif. (V.StA.) | Magnetische Schwebe- und Antriebseinrichtung |
FR2370661A1 (fr) * | 1976-11-16 | 1978-06-09 | Goeppinger Magnetfabrik | Installation de transport |
EP1439012A1 (en) * | 1997-09-24 | 2004-07-21 | Mitsubishi Heavy Industries, Ltd. | Automatic plate bending system using high frequency induction heating |
EP1594211A3 (en) * | 2004-05-06 | 2006-01-11 | ROLLS-ROYCE plc | Electromagnetic bearing with two power sources having distinct voltage; Demagnetising permanent magnets upon failure in an electrical machine |
US7138739B2 (en) | 2004-05-06 | 2006-11-21 | Rolls-Royce Plc | Magnetic bearing |
US7215054B2 (en) | 2004-05-06 | 2007-05-08 | Rolls-Royce Plc | Magnetic bearing |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE | Patent expired |