IT940999B - IMPROVEMENT OF SWITCHES AND DISCONNECTORS FOR ELECTRICAL CIRCUITS IC - Google Patents

IMPROVEMENT OF SWITCHES AND DISCONNECTORS FOR ELECTRICAL CIRCUITS IC

Info

Publication number
IT940999B
IT940999B IT83692/71A IT8369271A IT940999B IT 940999 B IT940999 B IT 940999B IT 83692/71 A IT83692/71 A IT 83692/71A IT 8369271 A IT8369271 A IT 8369271A IT 940999 B IT940999 B IT 940999B
Authority
IT
Italy
Prior art keywords
disconnectors
switches
improvement
electrical circuits
circuits
Prior art date
Application number
IT83692/71A
Other languages
Italian (it)
Original Assignee
Dorman Smith Switchgear 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 Dorman Smith Switchgear Ltd filed Critical Dorman Smith Switchgear Ltd
Application granted granted Critical
Publication of IT940999B publication Critical patent/IT940999B/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/226—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member having a plurality of parallel contact bars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • H01H2001/5838—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal using electrodynamic forces for enhancing the contact pressure between the sliding surfaces
IT83692/71A 1970-10-29 1971-10-28 IMPROVEMENT OF SWITCHES AND DISCONNECTORS FOR ELECTRICAL CIRCUITS IC IT940999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5135370 1970-10-29

Publications (1)

Publication Number Publication Date
IT940999B true IT940999B (en) 1973-02-20

Family

ID=10459672

Family Applications (1)

Application Number Title Priority Date Filing Date
IT83692/71A IT940999B (en) 1970-10-29 1971-10-28 IMPROVEMENT OF SWITCHES AND DISCONNECTORS FOR ELECTRICAL CIRCUITS IC

Country Status (5)

Country Link
US (1) US3735075A (en)
DE (1) DE2152643B2 (en)
FR (1) FR2110155A5 (en)
GB (1) GB1312156A (en)
IT (1) IT940999B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162467A (en) * 1977-06-16 1979-07-24 Westinghouse Electric Corp. Circuit breaker contact structure
US4309580A (en) * 1979-06-07 1982-01-05 Westinghouse Electric Corp. Dual arcing contacts for circuit breaker
DE3506383A1 (en) * 1985-02-23 1986-09-04 Sachsenwerk, Licht- und Kraft-AG, 8000 München ELECTRICAL SWITCHGEAR AND SWITCHING METHOD OF THIS SYSTEM
US4926019A (en) * 1988-09-08 1990-05-15 Siemens Energy & Automation, Inc. Moving copper pivot
US4871889A (en) * 1988-09-21 1989-10-03 Siemens Energy & Automation, Inc. Arcing contact assembly for a circuit breaker
US5004875A (en) * 1988-10-11 1991-04-02 Siemens Energy & Automation, Inc. Stored energy contact operating mechanism
FR2687250A1 (en) * 1992-02-07 1993-08-13 Merlin Gerin MULTIPLE CONTACTING CUTTING DEVICE.
US5519180A (en) * 1994-08-08 1996-05-21 General Electric Company Method for controlling contact depression for high ampere-rated circuit
RU186337U1 (en) * 2018-09-05 2019-01-16 Закрытое акционерное общество "Производственное объединение Электротехник" SWITCH-DISCONNECTOR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL194469A (en) * 1954-02-04 Merlin Gerin
US3041431A (en) * 1959-06-26 1962-06-26 Fed Pacific Electric Co Circuit breaker
US3402274A (en) * 1965-10-01 1968-09-17 Square D Co Contact structure for a power circuit breaker
US3365561A (en) * 1966-11-21 1968-01-23 Gen Electric Multiple finger type current-carrying contact arm pivot assembly
NL132205C (en) * 1967-02-08
US3560683A (en) * 1968-01-24 1971-02-02 Westinghouse Electric Corp Circuit breaker with improved contact structure

Also Published As

Publication number Publication date
GB1312156A (en) 1973-04-04
DE2152643B2 (en) 1976-07-01
FR2110155A5 (en) 1972-05-26
DE2152643A1 (en) 1972-05-04
US3735075A (en) 1973-05-22

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