US1832477A - Electromagnetic switch - Google Patents

Electromagnetic switch Download PDF

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Publication number
US1832477A
US1832477A US516417A US51641731A US1832477A US 1832477 A US1832477 A US 1832477A US 516417 A US516417 A US 516417A US 51641731 A US51641731 A US 51641731A US 1832477 A US1832477 A US 1832477A
Authority
US
United States
Prior art keywords
magnet
armature
electromagnetic switch
supports
supported
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
US516417A
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English (en)
Inventor
Callingham Frederick James
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1832477A publication Critical patent/US1832477A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/045—Details particular to contactors

Definitions

  • This invention relates to, and has for its object the provision of improvements 1n, electromagnetic switches.
  • Figure 2 is a side elevation of the same.
  • Figure 3 is a section on line ABCD of Figure 4 is aside elevation, shown in section' on line GH of Figure 5 of the elements whereby the magnet is mounted.
  • Figure 5 is a section on line EF of Figure 4.
  • the magnet 1 is in the form of the letter E and carries the winding 2 on the centre limb.
  • the armature 3 takes the form of an oblong piece having a plane surface adapted when said armature isattracted to rest flush on these three surfaces. 7
  • the magnet 1 is fixedly located in the following way y In the first place it is supported upon a support which permits adjusting movement of the magnetwith respect thereto about anaxis XX at right angles to the general plane of the magnet and located in the plane of the surfaces of the polor-ends a convenient distance outside the geometrical limits of the magnet. in the second place it is supported upon a suppbrt which is such as to permit universal adjusting movement of the magnet with respect thereto about a point Y beyond its geometrical limits the opposite end and, say, in the centre line of the back or connecting limb.
  • said axis XX and/or said point Y are arranged in such a way that during mounting or ad justing of the magnet they can take up the position required by the unconstrained d mensions of the magent and itwill thus be seen that said magnet is fixedly located without the possibility of its being distorted.
  • the armature 3 is universally pivoted about the point Z at, say, its centre ofgrav ity to an armature carrier 4 one end of which is pivoted about the aforesaid fixed axis XX.
  • This armature carrier 4 has rigidly mounted thereon, in a manner which will be clear from the drawings, an insulating bar 5, which in turn carries, through the medium of resilient arms 6, the tour moving contacts ⁇ I of the switch,
  • the armature 3 is attracted and the carrier 4 is turned about the axis XX thereby pressing the movable contacts 7 against the respective fixed contacts (not shown), the arms 6' being flexed to ensure good contact.
  • the resilient arms 6 start the return movement which is completed by gravity.
  • magnet 1 has a pair of identical plates 8 secured flush against the respective flanks thereof, which plates conform to the E shape of the magnet except that they have lugs 8a and 8b projecting at the respective ends
  • the lugs 8a have a pin 9 passing transversely through them and also through two upright, arms 10 of a bracket mounted on a fixed panel 13. In this way the magnet 1 is supported about the aforesaid fixed axis X-X.
  • the lugs have a pin 11 passing through them and also through a bore hole in the enlarged head 12 oi a bolt which is bolted to said fixed panel 13.
  • This bore hole is counter bored at both ends as shown so that thepin 11 only bears in the centre portion, andin this way the magnet is universally supported about the aforesaid fixed point Y.
  • the bolt head 12 and/or the bracket carrying the'arms 10 are not screwed down until after the connection to the magnet is established and it will thus be seen that the bolt and/or the bolts securing the bracket will be able to adjust themselves to some extent within the bolt holes through the panel 13 and thus as before stated the magnet will be rigidly fixed in such a way as to be free from distortion.
  • the armature 3 consists of a number of laminations clamped on either side of a centre plate 14 by means of two outside plates 15 which are held together by means of rivets passing through the laminations of all three plates.
  • the armature carrier 4 consists of a channel section lever and the armature 3 is pivoted between the channel walls of this lever by means of a pivot pin 16. This armature carrier is rotatable about the aforesaid axis X-X by being pivoted about the same fixed pin 9 to which the side plates 8 of the magnet are pivoted.
  • the bearing of the armature 3 on the pin 16 is taken by the centre plate 14 only, the holes in the plates 15 and in the laminations being considerably larger than said pin 16.
  • said armature 3 as well as being oscillatable about the axis of said pin 16 is also oscillatable within limits about any diameter of the bearing hole in the centre plate 14:.
  • said armature is universally pivoted about the point Z at the centre of said bearing hole and is thus-free to move universally in finding its seating against the magnet.
  • This freedom is augmented by virtue of the fact that the pivoting of the armature carrier 4 about the pin 9 is such that a limited amount of rocking and sideway movement as well as rotary movement is permitted.
  • the armature carrier is prevented from falling away from the magnet beyond a given limit by means of a plate 17 mounted as shown on the head 12.
  • Two air gaps 18 are formed in the magnet core, one between each of the outer limbs and the centre limb. In this way residual magnetism in the core is prevented.
  • Additional (or they may be alternative) air gaps are formed in the armature one on each side of the centre limb.
  • a magnet supported upon two supports one of saidsupports being such as to permit universal adjusting movement of the magnet with respect thereto, the other support being such as to permit adjusting movement of the magnet with respect thereto about a single axis only.
  • a magnet In an electromagnetic switch, a magnet, a pair of plates one secured on either side of said magnet and having portions extending beyond the limits of the magnet, said extending portions being supported upon two supports, one of said supports being such as to permit universal adjusting movement of the magnet'with respect thereto.
  • a magnet supported upon two supports, one of said supports being such as to permit universal adjusting movement of the magnet with respect thereto, and a universally pivoted armature cooperating with said magnet, said armature being pivoted about its center of gravity.
  • an armature In an electromagnetic switch, an armature, and means for supporting said armature at its center of gravity for universal movement.
  • a magnet supported upon two supports, one of said supports being such as to permit universal adjusting movement of the magnet with respect thereto, the other support being such as to permit adjusting movement of the magnet with respect thereto about a single axis only, and an armature cooperating with said magnet, said armature being mounted to swing about the axis of the second support.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
US516417A 1930-02-03 1931-02-17 Electromagnetic switch Expired - Lifetime US1832477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3616/30A GB347751A (en) 1930-02-03 1930-02-03 Improvements in or relating to electromagnetic switches

Publications (1)

Publication Number Publication Date
US1832477A true US1832477A (en) 1931-11-17

Family

ID=9761674

Family Applications (1)

Application Number Title Priority Date Filing Date
US516417A Expired - Lifetime US1832477A (en) 1930-02-03 1931-02-17 Electromagnetic switch

Country Status (5)

Country Link
US (1) US1832477A (en(2012))
BE (1) BE375846A (en(2012))
FR (1) FR707850A (en(2012))
GB (1) GB347751A (en(2012))
NL (1) NL31549C (en(2012))

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546740A (en) * 1949-07-26 1951-03-27 Gen Electric Alternating-current electromagnet with armature
US2563495A (en) * 1951-08-07 Electromagnetic operating means
US2591773A (en) * 1948-04-22 1952-04-08 Telemecanique Electr Soc Electromagnetic actuator for contactors and circuit breakers
US2784274A (en) * 1951-05-31 1957-03-05 Watford Electric & Mfg Company Electrical contactors
US2942078A (en) * 1957-07-15 1960-06-21 Richard Y Patterson Relay
US3187141A (en) * 1961-11-09 1965-06-01 American Mach & Foundry Armature mounting means for electromagnetic relays
CN102856120A (zh) * 2011-06-27 2013-01-02 厦门宏美电子有限公司 一种接触器铁芯组件及其接触器
CN107876506A (zh) * 2017-12-12 2018-04-06 杭州凯明催化剂股份有限公司 一种VOCs净化用不规则蜂窝陶瓷载体催化剂吹扫装置及其使用方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563495A (en) * 1951-08-07 Electromagnetic operating means
US2591773A (en) * 1948-04-22 1952-04-08 Telemecanique Electr Soc Electromagnetic actuator for contactors and circuit breakers
US2546740A (en) * 1949-07-26 1951-03-27 Gen Electric Alternating-current electromagnet with armature
US2784274A (en) * 1951-05-31 1957-03-05 Watford Electric & Mfg Company Electrical contactors
US2942078A (en) * 1957-07-15 1960-06-21 Richard Y Patterson Relay
US3187141A (en) * 1961-11-09 1965-06-01 American Mach & Foundry Armature mounting means for electromagnetic relays
CN102856120A (zh) * 2011-06-27 2013-01-02 厦门宏美电子有限公司 一种接触器铁芯组件及其接触器
CN102856120B (zh) * 2011-06-27 2016-02-03 厦门宏发开关设备有限公司 一种接触器铁芯组件及其接触器
CN107876506A (zh) * 2017-12-12 2018-04-06 杭州凯明催化剂股份有限公司 一种VOCs净化用不规则蜂窝陶瓷载体催化剂吹扫装置及其使用方法
CN107876506B (zh) * 2017-12-12 2023-09-05 杭州凯明催化剂股份有限公司 一种VOCs净化用不规则蜂窝陶瓷载体催化剂吹扫装置及其使用方法

Also Published As

Publication number Publication date
BE375846A (en(2012))
GB347751A (en) 1931-05-04
FR707850A (fr) 1931-07-15
NL31549C (en(2012))

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