FR2290750B1 - - Google Patents

Info

Publication number
FR2290750B1
FR2290750B1 FR7534740A FR7534740A FR2290750B1 FR 2290750 B1 FR2290750 B1 FR 2290750B1 FR 7534740 A FR7534740 A FR 7534740A FR 7534740 A FR7534740 A FR 7534740A FR 2290750 B1 FR2290750 B1 FR 2290750B1
Authority
FR
France
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
FR7534740A
Other languages
French (fr)
Other versions
FR2290750A1 (en
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.)
AES APPLIC ELETTRON SpA
Original Assignee
AES APPLIC ELETTRON SpA
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 AES APPLIC ELETTRON SpA filed Critical AES APPLIC ELETTRON SpA
Publication of FR2290750A1 publication Critical patent/FR2290750A1/en
Application granted granted Critical
Publication of FR2290750B1 publication Critical patent/FR2290750B1/fr
Granted 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/10—Single-phase transformers
FR7534740A 1974-11-11 1975-11-07 HF high current transformer for welding circuit - concentric tubular formers have annular space for blower heat convection Granted FR2290750A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT13040/74A IT1023916B (en) 1974-11-11 1974-11-11 POWER SUPPLY DEVICE, STAT REDUCER, CO WITH INVERTER AND FORCED VENTILATION, ESPECIALLY SUITABLE FOR HIGH FREQUEIZA ACCHE ELECTRIC WELDING

Publications (2)

Publication Number Publication Date
FR2290750A1 FR2290750A1 (en) 1976-06-04
FR2290750B1 true FR2290750B1 (en) 1979-07-20

Family

ID=11144100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534740A Granted FR2290750A1 (en) 1974-11-11 1975-11-07 HF high current transformer for welding circuit - concentric tubular formers have annular space for blower heat convection

Country Status (8)

Country Link
JP (1) JPS5170414A (en)
CA (1) CA1073978A (en)
CH (1) CH603002A5 (en)
DE (1) DE2549327A1 (en)
ES (1) ES442494A1 (en)
FR (1) FR2290750A1 (en)
IT (1) IT1023916B (en)
SE (1) SE7512527L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802300C2 (en) * 1978-01-20 1985-05-15 I.P.F. Gesellschaft für Verwertung von Patenten mbH, 8000 München Cooling device for transformers
NL8003852A (en) * 1980-07-03 1982-02-01 Philips Nv HIGH VOLTAGE TRANSFORMER.
IT8421970V0 (en) * 1984-05-31 1984-05-31 Siev Soc Ind Elett Mecc Veneta TRANSFORMATORY DEVICE FOR ELECTRIC WELDING.
DE3708804A1 (en) * 1987-03-18 1987-10-22 Josef Schmitz Transformer
JPH10214736A (en) * 1997-01-28 1998-08-11 Toyo Denso Co Ltd High voltage generating transformer
DE29705789U1 (en) 1997-04-02 1997-06-05 Expert Maschbau transformer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593732C (en) * 1931-02-25 1934-03-02 Siemens Schuckertwerke Akt Ges Device for heat dissipation from the active parts of transformers with tube winding
DE909122C (en) * 1950-03-07 1954-04-15 Gerhard Apelt Dipl Ing Dry type transformer
FR1133707A (en) * 1955-10-15 1957-04-01 Comp Generale Electricite Layer Consolidated Windings High Voltage Power Transformer
US3551863A (en) * 1968-03-18 1970-12-29 Louis L Marton Transformer with heat dissipator
CA906072A (en) * 1968-04-11 1972-07-25 B. Trench Anthony A.c. magnetically streamlined heat sink

Also Published As

Publication number Publication date
CH603002A5 (en) 1978-08-15
IT1023916B (en) 1978-05-30
SE7512527L (en) 1976-05-12
JPS5170414A (en) 1976-06-18
DE2549327A1 (en) 1976-05-13
ES442494A1 (en) 1977-05-16
CA1073978A (en) 1980-03-18
FR2290750A1 (en) 1976-06-04

Similar Documents

Publication Publication Date Title
FR2263112A1 (en)
FR2264321A1 (en)
FR2290750B1 (en)
FR2268837A1 (en)
FR2264390B1 (en)
JPS50141114A (en)
JPS50100576A (en)
JPS50105151A (en)
JPS50147205U (en)
JPS5115181U (en)
JPS50131306U (en)
JPS50121809A (en)
FR2261268B3 (en)
AU495844B2 (en)
AR199089A1 (en)
JPS50120700A (en)
CS172053B1 (en)
JPS50104555U (en)
AU7474374A (en)
JPS51112U (en)
CH609923A5 (en)
CH580740A5 (en)
CH572117A5 (en)
BG20186A1 (en)
AU480170A (en)

Legal Events

Date Code Title Description
CL Concession to grant licences
TP Transmission of property
ST Notification of lapse