FR540756A - Improvements to electrical appliances - Google Patents

Improvements to electrical appliances

Info

Publication number
FR540756A
FR540756A FR540756DA FR540756A FR 540756 A FR540756 A FR 540756A FR 540756D A FR540756D A FR 540756DA FR 540756 A FR540756 A FR 540756A
Authority
FR
France
Prior art keywords
electrical appliances
appliances
electrical
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR540756A publication Critical patent/FR540756A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/343—Preventing or reducing surge voltages; oscillations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
FR540756D 1920-01-29 1922-01-28 Improvements to electrical appliances Expired FR540756A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US540756XA 1920-01-29 1920-01-29
GB28090/20A GB173606A (en) 1920-01-29 1920-10-04 Improvements in electric inductance apparatus

Publications (1)

Publication Number Publication Date
FR540756A true FR540756A (en) 1922-07-18

Family

ID=57046895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540756D Expired FR540756A (en) 1920-01-29 1922-01-28 Improvements to electrical appliances

Country Status (2)

Country Link
FR (1) FR540756A (en)
GB (1) GB173606A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE762230C (en) * 1933-03-11 1953-07-27 Siemens Schuckertwerke A G Electrostatic shielding for tubular windings of electrical transformers or choke coils made up of disc coils and subject to traveling waves
DE961010C (en) * 1942-10-08 1957-03-28 Aeg Disc coil winding for transformers with large currents
CN107464654A (en) * 2017-09-27 2017-12-12 广州赛宝计量检测中心服务有限公司 A kind of broadband high stable inductor in high frequency

Also Published As

Publication number Publication date
GB173606A (en) 1922-01-04

Similar Documents

Publication Publication Date Title
FR560298A (en) Improvements made to electrical switches
FR536429A (en) Improvements to electric cables
FR540773A (en) Improvements to electrical switches
FR540756A (en) Improvements to electrical appliances
FR540824A (en) Improvements to electrical appliances
FR532573A (en) Improvements to charging devices
FR546674A (en) Improvements to electrical appliances
FR547606A (en) Improvements to electrical switches
FR25330E (en) Improvements made to electrical switches
FR542028A (en) Improvements to electrical devices
FR519197A (en) Improvements to electrical devices
FR27630E (en) Improvements made to electrical switches
FR544063A (en) Improvements made to electrical switches
FR538849A (en) Improvements to electrical switches
FR522818A (en) Improvements to electrical switches
FR511041A (en) Improvements to electrical switches
FR544155A (en) Improvements to electrical switches
FR544715A (en) Improvements made to electric clocks
FR549394A (en) Improvements to electrical switches
FR541026A (en) Improvements to electrical switches
FR26722E (en) Improvements to electrical switches
FR554970A (en) Improvements to electrical switches
FR523994A (en) Improvements to electrical devices called circuit breakers
FR508677A (en) Improvements to electrical machines
FR541092A (en) Improvements to cooking appliances