GB352795A - Improvements in low frequency transformers - Google Patents

Improvements in low frequency transformers

Info

Publication number
GB352795A
GB352795A GB2616730A GB2616730A GB352795A GB 352795 A GB352795 A GB 352795A GB 2616730 A GB2616730 A GB 2616730A GB 2616730 A GB2616730 A GB 2616730A GB 352795 A GB352795 A GB 352795A
Authority
GB
United Kingdom
Prior art keywords
low frequency
air gap
frequency transformers
transformers
neumark
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
GB2616730A
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.)
Individual
Original Assignee
Individual
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 to DEB130212D priority Critical patent/DE558987C/en
Priority to BE372676D priority patent/BE372676A/xx
Priority to FR700621D priority patent/FR700621A/en
Application filed by Individual filed Critical Individual
Priority to GB2616730A priority patent/GB352795A/en
Publication of GB352795A publication Critical patent/GB352795A/en
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
    • H01F29/10—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 part of magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

352,795. Transformers. BECK, B., Topper, Neumark, Germany. Sept. 2, 1930, No. 26167. [Class 38 (ii).] A low -frequency interval v e coupling transformer comprises primary and secondary windings arranged on fixed core parts f separated by an air gap in which a magnetic bridging member a is movably mounted. The member a may be displaced laterally by a screw as shown, or swung or turned so as to vary the effective air gap and consequently the mutual inductance between the windings.
GB2616730A 1930-09-02 1930-09-02 Improvements in low frequency transformers Expired GB352795A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DEB130212D DE558987C (en) 1930-09-02 Magnetic coupling device for low-frequency amplifier transformers with separate iron cores carrying the primary and secondary windings
BE372676D BE372676A (en) 1930-09-02
FR700621D FR700621A (en) 1930-09-02 1930-08-13 Magnetic coupling device for low frequency transformers and amplifiers
GB2616730A GB352795A (en) 1930-09-02 1930-09-02 Improvements in low frequency transformers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2616730A GB352795A (en) 1930-09-02 1930-09-02 Improvements in low frequency transformers

Publications (1)

Publication Number Publication Date
GB352795A true GB352795A (en) 1931-07-16

Family

ID=10239389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2616730A Expired GB352795A (en) 1930-09-02 1930-09-02 Improvements in low frequency transformers

Country Status (3)

Country Link
BE (1) BE372676A (en)
FR (1) FR700621A (en)
GB (1) GB352795A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541797A (en) * 1948-08-20 1951-02-13 Daphne Invest Trust Audio-frequency band filter with adjustable band width
US2897462A (en) * 1956-06-01 1959-07-28 Hughes Aircraft Co Variable reluctance electromagnetic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541797A (en) * 1948-08-20 1951-02-13 Daphne Invest Trust Audio-frequency band filter with adjustable band width
US2897462A (en) * 1956-06-01 1959-07-28 Hughes Aircraft Co Variable reluctance electromagnetic device

Also Published As

Publication number Publication date
BE372676A (en)
FR700621A (en) 1931-03-05

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