US2794158A - Electromagnetic device - Google Patents

Electromagnetic device Download PDF

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Publication number
US2794158A
US2794158A US320218A US32021852A US2794158A US 2794158 A US2794158 A US 2794158A US 320218 A US320218 A US 320218A US 32021852 A US32021852 A US 32021852A US 2794158 A US2794158 A US 2794158A
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United States
Prior art keywords
armatures
relay
winding
windings
armature
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Expired - Lifetime
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US320218A
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English (en)
Inventor
Hoppe Walter
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.)
El Re Ma S A Per Lo Sfruttamen
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El Re Ma S A Per Lo Sfruttamen
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • G06F7/44—Multiplying; Dividing
    • G06F7/443—Multiplying; Dividing by successive additions or subtractions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature

Definitions

  • the present invention relates to electromagnetic devices, and particularly to electromagnetic devices comprising a relay.
  • a principal object of the present invention is to provide an electromagnetic device which is adapted to totalize impulses.
  • It is still another object of the present invention t0 provide an electromagnetic device which allows a considerable reduction of the number of elements to be used in installations of the kind described.
  • Fig. 1 is a side elevation of an embodiment of an electromagnetic device according to the present invention
  • Fig. 2 is a perspective view of a second embodiment
  • Fig. 3 is a cross section taken along the line III-HI of Fig. 1;
  • Fig. 4 is a similar cross section of a third embodiment of the invention.
  • Fig. 5 is a similar cross section of a fourth embodiment of the invention.
  • each of the two relays includes a core 1 which traverses a main winding 2 forming part of the relay.
  • the two relays are arranged side by side so that the longitudinal axes of their main windings Z are located in the same plane.
  • Each relay comprises two movable armatures 3 and 4 which are attached, respectively, by means of resilient members such as leaf springs 5 and 6 to pieces 7 and 8 consisting of magnetic material so as to form part of the magnetic circuit of the relay.
  • the pieces 7 and 8 are rigidly connected to, or form one piece with, parts 9 and 10, respectively, which consist of magnetic material and are separated from the core 1 by an electric and magnetic insulation 11.
  • each relay In the rest position of the relays which is shown in the drawings, the movable armatures of each relay abut with one end thereof against an insulating piece 12 which is preferably U-shaped. All the armatures 3 are disposed substantially parallel to one another and with their main parts in a plane substantially parallel to that containing the axes of the main windings 2. The same applies to the armatures 4.
  • Each relay is designed in such a manner that if one of its armatures is attracted, a direct electrical contact is established between the core 1 of the relay, which is silvered,
  • Each part 9 and 10 of each relay traverses an auxiliary biasing or polarizing winding 14 or 15, respectively.
  • the auxiliary windings 14 are connected in series so that their polarizing elects on both armatures 3 are equal. The same applies to the windings 15.
  • the electromagnetic device described hereinabove is capable of operation in different manners, and its operation is as follows:
  • the number of turns of the polarizing windings of each relay as well as the thickness of the insulation 11, which has the effect of decreasing the remanence of the magnetic circuit, can be chosen in such a manner that when the armatures of a relay are attracted in consequence of the excitation of its main winding 2, the excitation of the windings 14 or 15 is suticient for maintaining the corresponding armature in attracted position, whereas the excitation of an auxiliary winding 14 or 15 is by itself not suicient to cause the attraction of said armature.
  • Each armature of a relay is thus not able to move into its rest position unless the main winding of the relay and the auxiliary winding acting upon this armature are de-energized.
  • Each polarizing or auxiliary winding may also be so dimensioned that if the field produced by it is directed in opposite direction to the magnetic field of the main winding, the resultant field is too weak for causing an attraction of an armature.
  • the two groups of auxiliary windings can be so arranged that the action of the auxiliary windings of one group opposes, and the action of the auxiliary windings of the other group aids the action of the main winding.
  • the device shown in Figs. 1 and 3 comprises two relays, each with two armatures; however, it should be understood that the device could comprise, if desired, a different number of relays and that it could especially comprise one relay only.
  • lit is advantageous to provide different exciting characteristics for the windings of a group of armatures. It is obvious that the polarizing windings of a group may be connected in parallel instead of in series.
  • the device shown in Fig. 2 comprises two relays and is quite similar to that shown in Figs. 1 and 3.
  • the part 10 corresponding to the two parts 10 shown in Figs. 1 and 3 traverses an auxiliary or polarizing winding 15a, which has an elongated shape and is common to both armatures 4.
  • a cross section of the embodiment shown in Fig. 2 would be exactly the same as that shown in Fig. 3.
  • the auxiliary windings or polarizing windings 14, 15 are arranged yon the movable armatures 3 and 4, the bobbins of the auxiliary windings 14, 15 having a neutral aperture of suicient size for the armatures 3, 4 to move from the rest position into the attracted position and vice versa.
  • the armatures 3 and 4 cooperate with contact springs 16 and 17, respectively, through intermediate insulating pieces 18 and 19.
  • the remanence is maintained below a certain value by the gap which is provided between the larmatures 3 and 4 and the core 1 in the attracted position of the armatures.
  • the electrical contact could also be obtained between the armature and the core in the manner indicated in Fig. 3, a gap being provided in this case in the magnetic circuit for diminishing the remanence thereof.
  • the relay could also comprise two cores insulated electrically from each other so that each armature would close an independent electric circuit.
  • Ythe relay comprisestwo armatures 3, 4 which are ⁇ substantially U-shaped.
  • Each armature 3,'4 is kept -inabutment with abutment pieces 20 bya leaf spring21 or 22, respectively. Cura rent is fed to each armature by a flexible conductorV 23 or 24, respectively.
  • ⁇ Eachend of the armatures 3 and 4 traverses an auxiliary orpolarizing winding 14, 14', 15, 15'. The eliiciency of the'polarizing or auxiliary windings is high, since' they are located so 'as to en-close the gaps separating the armatures 3 -and 4 from the core 1 so that themagnetic dispersion lis weak.
  • electromagnetic devices which include several relays, such as those shown in Figs. 4 or 5, in which at least one group of movable armatures including an armature ofeach relay could be polarized by means ⁇ of a common polarizing or auxiliary winding analogous to the winding 15a shown in Fig. 2. Each armature of these electromagnetic devices could lalso traverse an exciting winding associated only with the armature.
  • electromagnetic devices comprising 4a plurality of relays offer the same possibilities of operation as those which have been described hereinabove with reference to Figs. l and 3.
  • electromagnetic devices according to the invention could comprise, if desired, relays with at least two cores whichare insulated from each other, and a plurality o'ffmova'ble armatures.
  • An electromagnetic relay device comprising a main winding, a pluralityof elongated magnetizable members positioned in end-to-end relationship and forming two substantially closed tiux paths veach having 'an air gap, said members including a core common to both of said flux paths and traversing said main winding, said members further including two mechanically independent armatures each included in ares'pective Vone of said paths and displaceable between an unoperated position, in which the associated air gap is Vrelatively large, and an operated position, in which the associated "air gap isr relatively small, restoring means tending to maintain said armatures in said unoperated positions, said main winding being arranged to produce a tiux insuiicient to displace either of said armatures from its unoperated Yto its operated position, and vbiasing means for generating in each of said flux paths a magnetomotive torce insutiicient to move the respective'armature to its operated position in a
  • a relay device wherein said main winding is arranged to produce a iiux insulicient to operate either of said armatures when energized in bucking relation to the respective auxiliary winding, said auxiliary windings being arranged to produce mutually opposite fluxes in said core whereby energization of said main winding byfa current of either polarity will result in the operation of a respective one of said armatures only.
  • a relay device wherein said members include a pair ⁇ of connecting elements between said core and respective ones of said armatures, said auxiliary windings surrounding said connecting elements.
  • a relay device according to claim l, wherein said auxiliary windings surround said armatures with sulicient clearance to enable movement thereof between said operated and unoperated positions.
  • each of said armatures is provided with a displaceable main portion and an extremity adjacent said associated air gap extending substantially transversely to said main portion, said auxiliary windings surrounding ⁇ said extremities and said air gaps.
  • a relay device according to claim l, further including means in each ⁇ of said iiux paths for increasing the magnetic reluctance thereof.
  • van electromagnetic device in combination, at least two'r'elays each comprising a main winding, as well as a plurality of elongated magnetiza'ble members positioned in end-to-end relationship and forming two substantially closed ux paths each having an air gap, said members including a core common to both of said iiux paths and traversing said main winding, said members further including two mechanically independent armatures each included in a respective one of said paths and displaceable between an unoperated position, in which the associated air gap is relatively large, and an operated position, in which the yassociated air 4gap is relatively small, each of said relays further comprising restoring means tending to maintain said armatures in said unoperated positions each of said main windings .being arranged to produce ⁇ a ux insutiicient to displace either of said associated armatures from its unoperated to its operated position; one armature ⁇ of each of said relays forming part of a first group of armatures, the other armature of
  • each of' said auxiliary ⁇ winding means comprises a single biasing winding common to all 'of said relays.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
US320218A 1952-05-28 1952-11-13 Electromagnetic device Expired - Lifetime US2794158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH751478X 1952-05-28

Publications (1)

Publication Number Publication Date
US2794158A true US2794158A (en) 1957-05-28

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ID=4533920

Family Applications (1)

Application Number Title Priority Date Filing Date
US320218A Expired - Lifetime US2794158A (en) 1952-05-28 1952-11-13 Electromagnetic device

Country Status (5)

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US (1) US2794158A (it)
DE (1) DE1103464B (it)
FR (1) FR1080150A (it)
GB (1) GB751478A (it)
NL (2) NL88383C (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830337A (en) * 1954-07-01 1958-04-15 Int Harvester Co Investment machine for making shell molds
US4604599A (en) * 1983-11-16 1986-08-05 La Telemecanique Electrique Electromagnet comprised of yokes and an armature supporting a permanent magnet fitted on its pole faces with pole pieces that project from the axis of the magnet, this axis being perpendicular to the direction of movement

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE255316C (it) *
US1088878A (en) * 1907-03-25 1914-03-03 Stromberg Carlson Telephone Electromagnetic device.
US1183411A (en) * 1912-03-13 1916-05-16 Us Light & Heat Corp Automatic electric regulator.
US1203463A (en) * 1914-01-14 1916-10-31 Union Switch & Signal Co Electromagnetic device.
US1366912A (en) * 1917-10-22 1921-02-01 Kellogg Switchboard & Supply Relay
US1638098A (en) * 1921-11-22 1927-08-09 Scovill Manufacturing Co Relay
US1763172A (en) * 1928-12-19 1930-06-10 Bell Telephone Labor Inc Electro-polarized relay
US2016448A (en) * 1933-09-08 1935-10-08 Western Electric Co Electromagnetic device and circuit therefor
US2190650A (en) * 1936-05-18 1940-02-20 Paul T Carew Double solenoid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE293837C (it) *
DE400723C (de) * 1921-02-09 1924-08-19 Franz Baumgartner Elektromagnetische Kontaktschlussvorrichtung
AT128710B (de) * 1929-09-02 1932-06-10 Siemens Ag Relais, insbesondere für Schwachstromzwecke.
AT142852B (de) * 1934-11-20 1935-09-25 Ver Telephon Czeija Nissl & Co Elektromagnetisches Relais.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE255316C (it) *
US1088878A (en) * 1907-03-25 1914-03-03 Stromberg Carlson Telephone Electromagnetic device.
US1183411A (en) * 1912-03-13 1916-05-16 Us Light & Heat Corp Automatic electric regulator.
US1203463A (en) * 1914-01-14 1916-10-31 Union Switch & Signal Co Electromagnetic device.
US1366912A (en) * 1917-10-22 1921-02-01 Kellogg Switchboard & Supply Relay
US1638098A (en) * 1921-11-22 1927-08-09 Scovill Manufacturing Co Relay
US1763172A (en) * 1928-12-19 1930-06-10 Bell Telephone Labor Inc Electro-polarized relay
US2016448A (en) * 1933-09-08 1935-10-08 Western Electric Co Electromagnetic device and circuit therefor
US2190650A (en) * 1936-05-18 1940-02-20 Paul T Carew Double solenoid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830337A (en) * 1954-07-01 1958-04-15 Int Harvester Co Investment machine for making shell molds
US4604599A (en) * 1983-11-16 1986-08-05 La Telemecanique Electrique Electromagnet comprised of yokes and an armature supporting a permanent magnet fitted on its pole faces with pole pieces that project from the axis of the magnet, this axis being perpendicular to the direction of movement

Also Published As

Publication number Publication date
NL88383C (it)
NL178626B (nl)
DE1103464B (de) 1961-03-30
DE1103464C2 (it) 1961-10-19
FR1080150A (fr) 1954-12-07
GB751478A (en) 1956-06-27

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