FR579885A - Improvements to alternating current electromagnets - Google Patents
Improvements to alternating current electromagnetsInfo
- Publication number
- FR579885A FR579885A FR579885DA FR579885A FR 579885 A FR579885 A FR 579885A FR 579885D A FR579885D A FR 579885DA FR 579885 A FR579885 A FR 579885A
- Authority
- FR
- France
- Prior art keywords
- alternating current
- current electromagnets
- electromagnets
- alternating
- current
- 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
- 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
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB579885X | 1923-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR579885A true FR579885A (en) | 1924-10-25 |
Family
ID=10480528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR579885D Expired FR579885A (en) | 1923-05-17 | 1924-04-07 | Improvements to alternating current electromagnets |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR579885A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1045546B (en) * | 1954-09-14 | 1958-12-04 | Licentia Gmbh | Process for the production of a riveted laminated core for a hum-free AC magnet |
FR2456883A1 (en) * | 1979-05-17 | 1980-12-12 | Leroy Somer Moteurs | ELECTRIC BRAKE MOTOR |
EP0039485A1 (en) * | 1980-05-07 | 1981-11-11 | Licentia Patent-Verwaltungs-GmbH | Line transformer for a television receiver |
FR2591795A1 (en) * | 1985-12-16 | 1987-06-19 | Europhane | METHOD OF MAKING MAGNETIC CIRCUITS WITH ADJUSTABLE GAP AND MAGNETIC CIRCUITS THUS OBTAINED |
CH672358A5 (en) * | 1986-10-21 | 1989-11-15 | Jossi Hans Praezisionsmechanik | |
FR2836755A1 (en) * | 2002-03-01 | 2003-09-05 | Johnson Contr Automotive Elect | ELECTROMAGNETIC ACTUATOR WITH CONTROLLED ATTRACTION FORCE |
-
1924
- 1924-04-07 FR FR579885D patent/FR579885A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1045546B (en) * | 1954-09-14 | 1958-12-04 | Licentia Gmbh | Process for the production of a riveted laminated core for a hum-free AC magnet |
FR2456883A1 (en) * | 1979-05-17 | 1980-12-12 | Leroy Somer Moteurs | ELECTRIC BRAKE MOTOR |
EP0039485A1 (en) * | 1980-05-07 | 1981-11-11 | Licentia Patent-Verwaltungs-GmbH | Line transformer for a television receiver |
FR2591795A1 (en) * | 1985-12-16 | 1987-06-19 | Europhane | METHOD OF MAKING MAGNETIC CIRCUITS WITH ADJUSTABLE GAP AND MAGNETIC CIRCUITS THUS OBTAINED |
CH672358A5 (en) * | 1986-10-21 | 1989-11-15 | Jossi Hans Praezisionsmechanik | |
FR2836755A1 (en) * | 2002-03-01 | 2003-09-05 | Johnson Contr Automotive Elect | ELECTROMAGNETIC ACTUATOR WITH CONTROLLED ATTRACTION FORCE |
WO2003075293A1 (en) * | 2002-03-01 | 2003-09-12 | Johnson Controls Technology Company | Electromagnetic actuator with controlled attraction force |
US7042321B2 (en) | 2002-03-01 | 2006-05-09 | Valeo Systems De Controle Moteur | Electromagnetic actuator with controlled attraction force |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR579885A (en) | Improvements to alternating current electromagnets | |
FR574716A (en) | Hairpin enhancements | |
FR710898A (en) | Grooved pad | |
FR557997A (en) | Further development of single-phase alternating current electromagnets | |
FR578556A (en) | Metal coil with removable cheek | |
FR591595A (en) | Improvements to current transformer systems | |
FR564925A (en) | Improvement in mechanical current rectifier devices | |
FR563023A (en) | AC rectifier | |
FR615956A (en) | AC rectifier | |
FR563315A (en) | Rectifier | |
FR577253A (en) | Suspension insulator | |
FR570801A (en) | Current inverter rectifier | |
FR581179A (en) | Improvements to electromagnets | |
FR626742A (en) | Improvements made to the windings of alternating current machines | |
FR581775A (en) | Musette with progressive action | |
FR574871A (en) | Improvements to electric hoists | |
FR572044A (en) | Air thermo-microphone | |
FR583978A (en) | Current limiter | |
FR576015A (en) | Gas-filled electric lamps | |
FR565602A (en) | Intervalometric parallel rule | |
FR570368A (en) | Improvements to three-brush dynamos | |
FR561253A (en) | Current collector rectifier | |
FR39904E (en) | Improvements to current rectifiers | |
FR39903E (en) | Improvements to current rectifiers | |
FR661705A (en) | Improvements to current rectifiers |