FR671087A - Improvements to electrical switches and disconnectors - Google Patents

Improvements to electrical switches and disconnectors

Info

Publication number
FR671087A
FR671087A FR671087DA FR671087A FR 671087 A FR671087 A FR 671087A FR 671087D A FR671087D A FR 671087DA FR 671087 A FR671087 A FR 671087A
Authority
FR
France
Prior art keywords
disconnectors
electrical switches
switches
electrical
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR671087A publication Critical patent/FR671087A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
FR671087D 1928-03-10 1929-03-08 Improvements to electrical switches and disconnectors Expired FR671087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US260650A US1832695A (en) 1928-03-10 1928-03-10 Electric switch

Publications (1)

Publication Number Publication Date
FR671087A true FR671087A (en) 1929-12-09

Family

ID=22990053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671087D Expired FR671087A (en) 1928-03-10 1929-03-08 Improvements to electrical switches and disconnectors

Country Status (4)

Country Link
US (1) US1832695A (en)
DE (1) DE508325C (en)
FR (1) FR671087A (en)
GB (1) GB307510A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289620A (en) * 2019-07-23 2021-01-29 武汉倍诺德开关有限公司 Three-station isolating switch

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620410A (en) * 1948-07-09 1952-12-02 Kearney James R Corp Electrical switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289620A (en) * 2019-07-23 2021-01-29 武汉倍诺德开关有限公司 Three-station isolating switch
CN112289620B (en) * 2019-07-23 2023-12-05 武汉倍诺德开关有限公司 Three-station isolating switch

Also Published As

Publication number Publication date
US1832695A (en) 1931-11-17
GB307510A (en) 1930-06-10
DE508325C (en) 1930-09-26

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