US2678419A - Saturable transformer device - Google Patents

Saturable transformer device Download PDF

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Publication number
US2678419A
US2678419A US700234A US70023446A US2678419A US 2678419 A US2678419 A US 2678419A US 700234 A US700234 A US 700234A US 70023446 A US70023446 A US 70023446A US 2678419 A US2678419 A US 2678419A
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US
United States
Prior art keywords
windings
signal
core
direct current
alternating current
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 - Lifetime
Application number
US700234A
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English (en)
Inventor
Bennett Alfred
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
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 NL7013019.A priority Critical patent/NL161529B/xx
Priority to BE476392D priority patent/BE476392A/xx
Priority to BE503590D priority patent/BE503590A/xx
Priority to US700234A priority patent/US2678419A/en
Application filed by Bendix Aviation Corp filed Critical Bendix Aviation Corp
Priority to GB22863/47A priority patent/GB647961A/en
Priority to FR953561D priority patent/FR953561A/fr
Priority to NL161529A priority patent/NL84103C/xx
Priority to GB12765/51A priority patent/GB706039A/en
Priority to FR62336D priority patent/FR62336E/fr
Application granted granted Critical
Publication of US2678419A publication Critical patent/US2678419A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F9/00—Magnetic amplifiers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/016—Automatic controllers electric details of the transmission means using inductance means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F9/00—Magnetic amplifiers
    • H03F9/02—Magnetic amplifiers current-controlled, i.e. the load current flowing in both directions through a main coil

Definitions

  • the present invention relates generally to electrical current flow control apparatus and more particularly to apparatus of a character adapted for developing, in response to a direct current control signal, a proportional alternating current signal.
  • the present invention contemplates the provision of a simple arrangement obviating the past requirement for vacuum tubes, etc, which in response to a direct current control signal, such as that provided by a radio receiver carried by an aircraft and constituting a part of a blind landing system including a localizer and glidebeam path control, for example, will develop a proportional and properly phased alternating current signal for operating given craft surfaces in accordance with the received radio signal or signals.
  • a direct current control signal such as that provided by a radio receiver carried by an aircraft and constituting a part of a blind landing system including a localizer and glidebeam path control, for example, will develop a proportional and properly phased alternating current signal for operating given craft surfaces in accordance with the received radio signal or signals.
  • An object of the present invention is to provide a novel electrical inverter which is adapted for developing an alternating current signal proportional to a direct current signal.
  • Another object is to provide a novel electrical device which is adapted for developing a workable alternating current signal from an extremely weak direct current signal without the necessity for the use of vacuum tubes or other amplifiers.
  • a further object is to provide a novel and simplified electrical current flow control device which will provide a workable alternating current signal in response to a relatively weak direct 1 current signal whose phase will be determined by the direction of flow of the direct current signal.
  • Another object of the present invention is to provide a novel and simple electrical device adapted for use wherever a workable, amplified and properly phased alternating current signal is required in response to a relatively weak direct current signal.
  • Figure 1 is a schematic diagram showing the various electrical circuits of the novel apparatus constituting the subject matter of the present invention
  • Figure 2 is a detail view, showing the aiding relation at a given time of the fluxes in the center leg of one of the cores of Figure 1;
  • Figure 3 is a detail view, similar to that of Figure 2, showing the opposing relation during the time under consideration of the fluxes in the center leg of the other of the cores of Figure 1.
  • FIG. 1 the latter is shown in Figure 1 as comprising a pair of similar cores I0 and H formed of magnetically permeable material such as Permalloy or Mumetal, for example, core H! being provided with a center leg [2 and spaced outer legs [3 and I4 and core ll being similarly provided with a center leg [5 and spaced outer legs I6 and I1.
  • core H being provided with a center leg [2 and spaced outer legs [3 and I4 and core ll being similarly provided with a center leg [5 and spaced outer legs I6 and I1.
  • are provided for cores [0 and H, windings I8 and I9 being arranged on outer legs l3 and i4, respectively, of core Ii) and windings 20 and 2
  • One end of winding 58 is connected by way of a conductor 22 with one side of. a suitable source of alternating current (not shown) while the opposite end of winding it connects by way of a conductor 23 with one end of primary winding 19. The opposite end of the latter winding, in turn, connects with.
  • and 32 are further provided on both cores It and II and are so arranged that they are normally unaffected by the fluxes traversing the long circuits of both cores, i. e., no signal will appear at the secondary output.
  • secondary windings 29 and 30 arranged on legs l3 and (4, respectively, of core it are connected in series by way of a conductor 33 while windings 3i and 32 arranged on legs l8 and H, respectively, of core H are connected in series by way of a conductor 34, the free end of winding 29 being connected by way of a conductor 35 with one side of a device 36 responsive to an alternating current signal and the free end of winding 3!
  • Direct current control windings in the form of coils 39 and 4B are, furthermore, provided on center legs l2 and i5, respectivel of cores l8 and H and are interconnected with each other in series relation by way of a conductor 41 and with a direct current signal generator 42 by way of conductors ll and 44.
  • a second pair of direct current biasing control windings in the form of coils 45 and 46 are pro vided on center legs l2 and 45, respectively, of cores ill and H, which are interconnected by way of a conductor 4? in series opposing relation, the free end of coil 65 being connected to one side of a suitable source of D. C. current, such as a battery 48, for example, by way of a conductor 49 the free end of coil 46 being connected to the opposite side of the battery by way of a conductor fill.
  • coils 45 and 46 have been described as being connected in series opposed relation, it is to be understood that they could be connected in series aiding relation as well, in which event control coils 39 and would. be connected in series opposed relation. Whichever arrangement is selected the ultimate result will be the same.
  • An inverter of the kind described comprising a pair of core members of magnetically permeable material, a primary Winding on each of said core members adapted to be energized by an alternating current source, a secondary winding on each of said core members connected independently of said alternating current source, a biasing winding on each of said core members adapted to be energized by a direct current source independently of said alternating current source and independent- 1y of said secondary windings to produce a unidirectional magnetic flux in each of said cores, a signal source for producing direct current signals independently of the alternating current source and independently of the secondary windings, a control winding on each of said cores connected to said signal source and arranged to increase the unidirectional magnetic flux in one of said core members and to decrease the unidirectional magnetic flux in the other core member in response to the direct current signals so that alternating currents corresponding in phase to the polarity of the direct current signals are induced in said secondary windings, and means con ected to said secondary windings and controlled by said signal source
  • An inverter of the kind described comprising a pair of core members of magnetically permeable material each having a central leg and a pair of spaced outer legs, primary windings on the outer legs of said core members adapted to be energized by an alternating current source, secondary windings on the outer legs of said core member connected independently of said alternating current source so that no signal is induced in said secondary windings solely in re sponse to energization of said primary windings, biasing windings adapted to be connected to a direct current source independently of the alternating current source and independently of said secondary windings for producing a unidirectional magnetic flux in each of said core mem bers, a signal source adapted to produce direct current signals independently of the alternating current source and independently of said secondary windings, control windings on the central legs of said core members connected to said direct current signal source to decrease the unidirectional magnetic fiux in one of said core members and to increase the unidirectional magnetic flux in the other core member in response to direct current signals so

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Amplifiers (AREA)
  • Indole Compounds (AREA)
US700234A 1946-09-30 1946-09-30 Saturable transformer device Expired - Lifetime US2678419A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL7013019.A NL161529B (nl) 1946-09-30 Hei-installatie ten minste bestaande uit een heiblok en een heimuts, alsmede heimuts uit een dergelijke installatie.
BE476392D BE476392A (en(2012)) 1946-09-30
BE503590D BE503590A (en(2012)) 1946-09-30
US700234A US2678419A (en) 1946-09-30 1946-09-30 Saturable transformer device
GB22863/47A GB647961A (en) 1946-09-30 1947-08-18 Improvements in non-contact-making relays
FR953561D FR953561A (fr) 1946-09-30 1947-09-27 Perfectionnements aux dispositifs amplificateurs et/ou convertisseurs magnétiques
NL161529A NL84103C (en(2012)) 1946-09-30 1951-05-26
GB12765/51A GB706039A (en) 1946-09-30 1951-05-30 Improvements in magnetic modulators or amplifiers
FR62336D FR62336E (fr) 1946-09-30 1951-05-30 Perfectionnements aux dispositifs amplificateurs et/ou convertisseurs magnétiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US700234A US2678419A (en) 1946-09-30 1946-09-30 Saturable transformer device
US706039XA 1950-06-01 1950-06-01

Publications (1)

Publication Number Publication Date
US2678419A true US2678419A (en) 1954-05-11

Family

ID=26751316

Family Applications (1)

Application Number Title Priority Date Filing Date
US700234A Expired - Lifetime US2678419A (en) 1946-09-30 1946-09-30 Saturable transformer device

Country Status (5)

Country Link
US (1) US2678419A (en(2012))
BE (2) BE476392A (en(2012))
FR (2) FR953561A (en(2012))
GB (2) GB647961A (en(2012))
NL (2) NL84103C (en(2012))

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758162A (en) * 1951-03-02 1956-08-07 Magnetics Inc Magnetic amplifier
US2777987A (en) * 1954-01-13 1957-01-15 Forest C Deal Voltage regulator compensating voltage and frequency changes
US2802165A (en) * 1954-06-11 1957-08-06 George A Rubissow Battery charger and circuit therefor
US2832028A (en) * 1953-10-09 1958-04-22 Sperry Gyroscope Co Ltd Positional control systems
US2834934A (en) * 1953-10-19 1958-05-13 Bailey Meter Co Magnetic inverter circuit
US2856498A (en) * 1950-11-30 1958-10-14 Delapena & Son Ltd High frequency electric induction heating systems
US2885627A (en) * 1954-06-10 1959-05-05 Varo Mfg Co Inc Voltage regulating device
DE1098543B (de) * 1958-05-26 1961-02-02 Magnetic Prec Controls Inc Hochempfindlicher Magnetverstaerker fuer kleine Leistungen
US3315151A (en) * 1961-10-24 1967-04-18 Stabilac Pty Ltd Regulated transformer power supplies
US5272619A (en) * 1991-10-08 1993-12-21 Mcqueen Clarence W Invertor systems utilizing inductive or capacitive reactance
EP3024003A3 (de) * 2014-11-18 2016-06-15 Manfred Diez Vorrichtung zur einstellung einer spannung mit wenigstens einer elektromagnetischen vorrichtung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769138A (en) * 1951-04-25 1956-10-30 Illinois Testing Laboratories D. c. converter circuits
US2683853A (en) * 1951-11-29 1954-07-13 Vickers Inc Power transmission

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1661740A (en) * 1921-08-13 1928-03-06 Cutler Hammer Mfg Co Apparatus for effecting energization control of an electric circuit
US1824577A (en) * 1930-02-07 1931-09-22 Union Switch & Signal Co Electrical translating apparatus
US1914220A (en) * 1930-06-23 1933-06-13 Union Switch & Signal Co Electrical translating apparatus
US1997657A (en) * 1932-07-16 1935-04-16 Westinghouse Electric & Mfg Co Regulating system
US2053154A (en) * 1935-03-27 1936-09-01 Gen Electric Direct-current indicator
US2164383A (en) * 1934-12-29 1939-07-04 Bell Telephone Labor Inc Magnetic device
US2229952A (en) * 1937-01-02 1941-01-28 Gen Electric Magnetic amplifier
US2247983A (en) * 1938-12-24 1941-07-01 Siemens App Und Maschinen Gmbh Amplifying apparatus
US2388070A (en) * 1941-08-22 1945-10-30 Gen Electric Electromagnetic apparatus
US2529450A (en) * 1942-08-03 1950-11-07 Bailey Meter Co Measuring and controlling system
US2574438A (en) * 1946-07-03 1951-11-06 Rossi Bruno Computer using magnetic amplifier

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1661740A (en) * 1921-08-13 1928-03-06 Cutler Hammer Mfg Co Apparatus for effecting energization control of an electric circuit
US1824577A (en) * 1930-02-07 1931-09-22 Union Switch & Signal Co Electrical translating apparatus
US1914220A (en) * 1930-06-23 1933-06-13 Union Switch & Signal Co Electrical translating apparatus
US1997657A (en) * 1932-07-16 1935-04-16 Westinghouse Electric & Mfg Co Regulating system
US2164383A (en) * 1934-12-29 1939-07-04 Bell Telephone Labor Inc Magnetic device
US2053154A (en) * 1935-03-27 1936-09-01 Gen Electric Direct-current indicator
US2229952A (en) * 1937-01-02 1941-01-28 Gen Electric Magnetic amplifier
US2247983A (en) * 1938-12-24 1941-07-01 Siemens App Und Maschinen Gmbh Amplifying apparatus
US2388070A (en) * 1941-08-22 1945-10-30 Gen Electric Electromagnetic apparatus
US2529450A (en) * 1942-08-03 1950-11-07 Bailey Meter Co Measuring and controlling system
US2574438A (en) * 1946-07-03 1951-11-06 Rossi Bruno Computer using magnetic amplifier

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856498A (en) * 1950-11-30 1958-10-14 Delapena & Son Ltd High frequency electric induction heating systems
US2758162A (en) * 1951-03-02 1956-08-07 Magnetics Inc Magnetic amplifier
US2832028A (en) * 1953-10-09 1958-04-22 Sperry Gyroscope Co Ltd Positional control systems
US2834934A (en) * 1953-10-19 1958-05-13 Bailey Meter Co Magnetic inverter circuit
US2777987A (en) * 1954-01-13 1957-01-15 Forest C Deal Voltage regulator compensating voltage and frequency changes
US2885627A (en) * 1954-06-10 1959-05-05 Varo Mfg Co Inc Voltage regulating device
US2802165A (en) * 1954-06-11 1957-08-06 George A Rubissow Battery charger and circuit therefor
DE1098543B (de) * 1958-05-26 1961-02-02 Magnetic Prec Controls Inc Hochempfindlicher Magnetverstaerker fuer kleine Leistungen
US3315151A (en) * 1961-10-24 1967-04-18 Stabilac Pty Ltd Regulated transformer power supplies
US5272619A (en) * 1991-10-08 1993-12-21 Mcqueen Clarence W Invertor systems utilizing inductive or capacitive reactance
WO1994026021A1 (en) * 1991-10-08 1994-11-10 Mcqueen Clarence W Invertor systems utilizing inductive reactance
EP3024003A3 (de) * 2014-11-18 2016-06-15 Manfred Diez Vorrichtung zur einstellung einer spannung mit wenigstens einer elektromagnetischen vorrichtung

Also Published As

Publication number Publication date
GB706039A (en) 1954-03-24
NL161529B (nl)
BE503590A (en(2012))
BE476392A (en(2012))
NL84103C (en(2012)) 1957-02-15
GB647961A (en) 1950-12-28
FR953561A (fr) 1949-12-08
FR62336E (fr) 1955-06-13

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