FR938833A - Improvements to electromagnetic relays - Google Patents

Improvements to electromagnetic relays

Info

Publication number
FR938833A
FR938833A FR938833DA FR938833A FR 938833 A FR938833 A FR 938833A FR 938833D A FR938833D A FR 938833DA FR 938833 A FR938833 A FR 938833A
Authority
FR
France
Prior art keywords
electromagnetic relays
relays
electromagnetic
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
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR938833A publication Critical patent/FR938833A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H01H51/288—Freely suspended contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)
  • Breakers (AREA)
FR938833D 1941-07-17 1946-11-25 Improvements to electromagnetic relays Expired FR938833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US402727A US2295602A (en) 1941-07-17 1941-07-17 Switching device

Publications (1)

Publication Number Publication Date
FR938833A true FR938833A (en) 1948-10-26

Family

ID=23593075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938833D Expired FR938833A (en) 1941-07-17 1946-11-25 Improvements to electromagnetic relays

Country Status (3)

Country Link
US (1) US2295602A (en)
FR (1) FR938833A (en)
GB (1) GB553329A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE482168A (en) * 1947-09-19
DE1257285B (en) * 1962-03-05 1967-12-28 Siemens Ag Mercury relay
US3377445A (en) * 1964-11-24 1968-04-09 Ubukata Susumu Time delay switches utilizing conductive liquids
FR2479552A1 (en) * 1980-03-26 1981-10-02 Socapex DEVICE FOR JOINING A MOVING BLADE, SWIVELING ON ITS BASE AND SWITCH COMPRISING SUCH A DEVICE
CN111816463B (en) * 2020-07-22 2022-11-25 国网湖北省电力有限公司襄阳供电公司 Motor overheat protection equipment

Also Published As

Publication number Publication date
GB553329A (en) 1943-05-17
US2295602A (en) 1942-09-15

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