FR846374A - Perfectionnements aux transformateurs à courant alternatif - Google Patents

Perfectionnements aux transformateurs à courant alternatif

Info

Publication number
FR846374A
FR846374A FR846374DA FR846374A FR 846374 A FR846374 A FR 846374A FR 846374D A FR846374D A FR 846374DA FR 846374 A FR846374 A FR 846374A
Authority
FR
France
Prior art keywords
transformers
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
English (en)
Inventor
Howard Edward Somes
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 filed Critical
Application granted granted Critical
Publication of FR846374A publication Critical patent/FR846374A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Induction Heating (AREA)
FR846374D 1936-08-20 1937-08-12 Perfectionnements aux transformateurs à courant alternatif Expired FR846374A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96929A US2223902A (en) 1936-08-20 1936-08-20 Transformer distributing system
US186194A US2280861A (en) 1936-08-20 1938-01-21 Transformer distributing system

Publications (1)

Publication Number Publication Date
FR846374A true FR846374A (fr) 1939-09-15

Family

ID=26792210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846374D Expired FR846374A (fr) 1936-08-20 1937-08-12 Perfectionnements aux transformateurs à courant alternatif

Country Status (2)

Country Link
US (2) US2223902A (fr)
FR (1) FR846374A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424794A (en) * 1941-12-05 1947-07-29 Rca Corp Surface hardening of ferrous metal by self-quenching
US2420449A (en) * 1944-06-06 1947-05-13 Budd Co Switching device
US2444475A (en) * 1944-10-07 1948-07-06 Ohio Crankshaft Co Coil and core arrangement
US2479610A (en) * 1945-01-20 1949-08-23 Jr John Frei Centrifugal casting machine
US2540700A (en) * 1945-12-14 1951-02-06 Stivin Jiri Method and device for hardening of articles by high-frequency currents
US2551360A (en) * 1946-01-31 1951-05-01 Rca Corp Art of subjecting effervescent materials to an electric field
US2591339A (en) * 1948-12-30 1952-04-01 Atlas Steels Ltd Apparatus for casehardening drill rods
US2592894A (en) * 1949-05-10 1952-04-15 Elox Corp Disintegrating or removing metallic material
DE939465C (de) * 1949-10-15 1956-02-23 Patelhold Patentverwertung Einrichtung zum Heranbringen eines Induktors an ein Werkstueck
US2825788A (en) * 1955-11-17 1958-03-04 United Aircraft Corp Induction hardening
AU455199B2 (en) * 1971-06-09 1974-11-21 Park-Ohio Industries Inc. Apparatus for inductively heating valve seats
US3696224A (en) * 1971-06-09 1972-10-03 Park Ohio Industries Inc Transformer & inductor unit for heating valve seats

Also Published As

Publication number Publication date
US2223902A (en) 1940-12-03
US2280861A (en) 1942-04-28

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