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FR712818A - Disconnector with compensated electrodynamic forces - Google Patents

Disconnector with compensated electrodynamic forces

Info

Publication number
FR712818A
FR712818A FR712818DA FR712818A FR 712818 A FR712818 A FR 712818A FR 712818D A FR712818D A FR 712818DA FR 712818 A FR712818 A FR 712818A
Authority
FR
France
Prior art keywords
disconnector
compensated
electrodynamic forces
electrodynamic
forces
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.)
Ateliers de Constructions Electriques de Delle SA
Original Assignee
Ateliers de Constructions Electriques de Delle 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 Ateliers de Constructions Electriques de Delle SA filed Critical Ateliers de Constructions Electriques de Delle SA
Application granted granted Critical
Publication of FR712818A publication Critical patent/FR712818A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
FR712818D 1930-03-28 1931-02-05 Disconnector with compensated electrodynamic forces Expired FR712818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE587047T 1930-03-28

Publications (1)

Publication Number Publication Date
FR712818A true FR712818A (en) 1931-10-13

Family

ID=7781964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712818D Expired FR712818A (en) 1930-03-28 1931-02-05 Disconnector with compensated electrodynamic forces

Country Status (3)

Country Link
US (1) US1958159A (en)
DE (1) DE587047C (en)
FR (1) FR712818A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601482A (en) * 1947-03-20 1952-06-24 Ite Circuit Breaker Ltd Circuit breaker-blow open, blow closed contacts
US2695350A (en) * 1951-12-26 1954-11-23 Mcgraw Electric Co Contact means
NL194469A (en) * 1954-02-04 Merlin Gerin
DE1020080B (en) * 1955-12-24 1957-11-28 Calor Emag Elektrizitaets Ag Electrical switch with main and tear-off contacts
US2911492A (en) * 1957-02-25 1959-11-03 Gen Electric Operating mechanism for a fluid blast circuit breaker
US3024328A (en) * 1960-01-27 1962-03-06 Southern States Inc Electric grounding switch
DE1201449B (en) * 1962-08-31 1965-09-23 Krone Kg Load switch
US3249729A (en) * 1963-10-18 1966-05-03 Gen Electric Electric circuit breaker wherein the operation of separable arcing contacts is dependent on the magnitude of current in the main contacts
US3504142A (en) * 1967-10-09 1970-03-31 Westinghouse Electric Corp High voltage electric switch
DE2502162C3 (en) * 1975-01-21 1981-10-22 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Top switches, in particular earthing switches
US4849590A (en) * 1988-04-01 1989-07-18 Kohler Company Electric switch with counteracting electro-electro-dynamic forces
US4991050A (en) * 1989-09-18 1991-02-05 Allen-Bradley Company, Inc. Method and device for protecting starters from fault currents
US5072203A (en) * 1989-09-18 1991-12-10 Allen-Bradley Company, Inc. Method and device for protecting starters from fault currents
US5313031A (en) * 1990-12-28 1994-05-17 Mitsubishi Denki Kabushiki Kaisha Electric switch gear with improved stationary contact configuration
FR2849265B1 (en) * 2002-12-20 2005-01-21 Alstom MAGNETIC SWITCH
US8395464B2 (en) * 2008-05-30 2013-03-12 Itron, Inc. Actuator/wedge improvements to embedded meter switch
US8493232B2 (en) * 2009-09-30 2013-07-23 Itron, Inc. Gas shut-off valve with feedback
EP2483638A4 (en) * 2009-09-30 2017-03-08 Itron, Inc. Utility remote disconnect from a meter reading system
US8890711B2 (en) 2009-09-30 2014-11-18 Itron, Inc. Safety utility reconnect
US9005423B2 (en) 2012-12-04 2015-04-14 Itron, Inc. Pipeline communications

Also Published As

Publication number Publication date
US1958159A (en) 1934-05-08
DE587047C (en) 1933-10-28

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