GB592276A - Improvement in vibratory electromagnetic interrupters - Google Patents

Improvement in vibratory electromagnetic interrupters

Info

Publication number
GB592276A
GB592276A GB8406/45A GB840645A GB592276A GB 592276 A GB592276 A GB 592276A GB 8406/45 A GB8406/45 A GB 8406/45A GB 840645 A GB840645 A GB 840645A GB 592276 A GB592276 A GB 592276A
Authority
GB
United Kingdom
Prior art keywords
coil
reed
improvement
vibrator
sponge rubber
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
GB8406/45A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB592276A publication Critical patent/GB592276A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Tumbler Switches (AREA)

Abstract

592,276. Magnetic interrupters. PLESSEY CO., Ltd. April 5, 1945, No. 8406. Convention date, May 2, 1944. [Class 38(v)] In a self-interrupting electro - magnetic vibrator, the coil 12 is contained in a ferromagnetic member 10 and surrounds the reed 24 so as to reduce the height of the vibrator. When the coil is energized the reed 24 is attracted to the left connecting the left hand contacts 33, 34, and short-circuiting the coil 12. The reed moves to the right and is kept in motion by the continual energization and deenergization of coil 12. The contact strips 21, 25 and the reed are carried in a sponge rubber member 40 so as to absorb vibration. The can 36 has a sponge rubber lining 37 and is dust and moisture proof.
GB8406/45A 1944-05-02 1945-04-05 Improvement in vibratory electromagnetic interrupters Expired GB592276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US533684A US2478101A (en) 1944-05-02 1944-05-02 Short vibrator

Publications (1)

Publication Number Publication Date
GB592276A true GB592276A (en) 1947-09-12

Family

ID=24127014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8406/45A Expired GB592276A (en) 1944-05-02 1945-04-05 Improvement in vibratory electromagnetic interrupters

Country Status (2)

Country Link
US (1) US2478101A (en)
GB (1) GB592276A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611064A (en) * 1949-11-09 1952-09-16 Elmer A Wilson Electronic vibrator insulator
US2688059A (en) * 1950-08-14 1954-08-31 Motorola Inc Electromechanical device
US20180007978A1 (en) * 2016-07-11 2018-01-11 Shana Johnson Fitness bra

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US732851A (en) * 1901-03-19 1903-07-07 Dudley Farrand Solenoid-magnet.
US916505A (en) * 1905-03-18 1909-03-30 Union Switch & Signal Co Relay.
US2190685A (en) * 1936-12-10 1940-02-20 Mallory & Co Inc P R Electromagnetic vibratory interrupter
US2423524A (en) * 1941-12-01 1947-07-08 Brown Instr Co Vibrator

Also Published As

Publication number Publication date
US2478101A (en) 1949-08-02

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