CA991387A - Method for fabricating a choke with adjustable air gap and choke produced thereby - Google Patents

Method for fabricating a choke with adjustable air gap and choke produced thereby

Info

Publication number
CA991387A
CA991387A CA172,889A CA172889A CA991387A CA 991387 A CA991387 A CA 991387A CA 172889 A CA172889 A CA 172889A CA 991387 A CA991387 A CA 991387A
Authority
CA
Canada
Prior art keywords
choke
fabricating
air gap
produced
adjustable air
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
CA172,889A
Other languages
English (en)
Other versions
CA172889S (en
Inventor
Ernst Meili
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.)
F Knobel Elektro Apparatebau AG
Original Assignee
F Knobel Elektro Apparatebau AG
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
Priority claimed from CH866872A external-priority patent/CH532825A/de
Application filed by F Knobel Elektro Apparatebau AG filed Critical F Knobel Elektro Apparatebau AG
Application granted granted Critical
Publication of CA991387A publication Critical patent/CA991387A/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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/10—Ballasts, e.g. for discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Braking Arrangements (AREA)
  • Body Structure For Vehicles (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Wire Processing (AREA)
CA172,889A 1972-06-09 1973-05-29 Method for fabricating a choke with adjustable air gap and choke produced thereby Expired CA991387A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH866872A CH532825A (de) 1972-06-09 1972-06-09 Verfahren zur Herstellung einer Drossel mit einstellbarem Luftspalt
CH69873A CH539935A (de) 1972-06-09 1973-01-18 Verfahren zur Herstellung einer Drossel mit einstellbarem Luftspalt

Publications (1)

Publication Number Publication Date
CA991387A true CA991387A (en) 1976-06-22

Family

ID=25685409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,889A Expired CA991387A (en) 1972-06-09 1973-05-29 Method for fabricating a choke with adjustable air gap and choke produced thereby

Country Status (13)

Country Link
US (1) US3889360A (fi)
JP (1) JPS4950453A (fi)
AU (1) AU475395B2 (fi)
CA (1) CA991387A (fi)
CH (1) CH539935A (fi)
DE (1) DE2323266C2 (fi)
ES (1) ES414901A1 (fi)
FR (1) FR2188271B1 (fi)
IL (1) IL42370A (fi)
IT (1) IT986143B (fi)
NL (1) NL7307202A (fi)
NO (1) NO132887C (fi)
SE (1) SE379115B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1107367B (it) * 1978-07-21 1985-11-25 Gd Spa Magazzino a capacita variabile per elementi a forma di barretta particolarmente sigarette
US4241484A (en) * 1978-11-07 1980-12-30 Chrysler Corporation Method for assembling a fuel pump and motor
JPS55151307A (en) * 1979-05-14 1980-11-25 Victor Co Of Japan Ltd Closed magnetic circuit device
FR2457552A1 (fr) * 1979-05-23 1980-12-19 Radiotechnique Procede d'elaboration du noyau magnetique d'une bobine, notamment pour circuit a frequence intermediaire d'un televiseur, et bobine ainsi realisee
US4443934A (en) * 1982-10-04 1984-04-24 General Electric Company Method of assembling permanent magnet dc machines
US4591819A (en) * 1985-03-28 1986-05-27 Rca Corporation Inductance adjustment for transformers
DE4228642A1 (de) * 1992-08-28 1994-03-03 Tridonic Bauelemente Gmbh Dorn Verfahren zur Impedanz-Einstellung einer Drossel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064772A (en) * 1932-06-21 1936-12-15 Ferrocart Corp Of America High-frequency coil with adjustable inductance value
US2835876A (en) * 1950-08-18 1958-05-20 Hammond Organ Co Adjustable inductance
US2674721A (en) * 1951-05-15 1954-04-06 Joyce J Jackson Variable gap width control for television horizontal sweep transformers
DE1275680B (de) * 1962-06-22 1968-08-22 May & Christe G M B H Transfor Eisengeschlossene Drossel bzw. Transformator in langgestreckter Form fuer Gasentladungslampen
US3267400A (en) * 1963-09-19 1966-08-16 United Transformer Corp Variable inductance device
DE1638339A1 (de) * 1967-07-01 1970-06-18 Knobel Dubs Fritz Magnetkern
CH482275A (de) * 1967-10-23 1969-11-30 Leuenberger H Verfahren zur Herstellung einer Drossel oder eines Transformators
US3542974A (en) * 1968-06-14 1970-11-24 Western Electric Co Electrical transducer
US3622928A (en) * 1970-06-29 1971-11-23 Harry P Lee Transformer core with adjustable airgap

Also Published As

Publication number Publication date
CH539935A (de) 1973-07-31
ES414901A1 (es) 1976-02-01
NO132887C (fi) 1976-01-21
IL42370A0 (en) 1973-07-30
IT986143B (it) 1975-01-20
DE2323266C2 (de) 1982-06-16
FR2188271B1 (fi) 1978-06-30
AU475395B2 (en) 1976-08-19
NO132887B (fi) 1975-10-13
US3889360A (en) 1975-06-17
NL7307202A (fi) 1973-12-11
IL42370A (en) 1975-11-25
DE2323266A1 (de) 1973-12-20
SE379115B (fi) 1975-09-22
AU5682573A (en) 1974-12-12
JPS4950453A (fi) 1974-05-16
FR2188271A1 (fi) 1974-01-18

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