BR8903776A - CIRCUIT BREAKER - Google Patents

CIRCUIT BREAKER

Info

Publication number
BR8903776A
BR8903776A BR898903776A BR8903776A BR8903776A BR 8903776 A BR8903776 A BR 8903776A BR 898903776 A BR898903776 A BR 898903776A BR 8903776 A BR8903776 A BR 8903776A BR 8903776 A BR8903776 A BR 8903776A
Authority
BR
Brazil
Prior art keywords
circuit breaker
breaker
circuit
Prior art date
Application number
BR898903776A
Other languages
Portuguese (pt)
Inventor
Jere Lee Mckee
Lance Gula
Glenn Robert Thomas
Original Assignee
Westinghouse Electric Corp
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
Priority claimed from US07/226,503 external-priority patent/US5057806A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR8903776A publication Critical patent/BR8903776A/en

Links

Classifications

    • 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
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position
    • 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
    • H01H2001/228—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 with insulating spacers between the contact bars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H9/383—Arcing contact pivots relative to the movable contact assembly
BR898903776A 1988-08-01 1989-07-28 CIRCUIT BREAKER BR8903776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,503 US5057806A (en) 1988-08-01 1988-08-01 Crossbar assembly

Publications (1)

Publication Number Publication Date
BR8903776A true BR8903776A (en) 1990-03-20

Family

ID=22849182

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903776A BR8903776A (en) 1988-08-01 1989-07-28 CIRCUIT BREAKER

Country Status (8)

Country Link
KR (1) KR0134632B1 (en)
CN (1) CN1021526C (en)
BR (1) BR8903776A (en)
DE (1) DE68925391T2 (en)
IE (1) IE73215B1 (en)
MX (1) MX165903B (en)
NZ (1) NZ229872A (en)
ZA (1) ZA895152B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295275B (en) * 1994-11-15 1998-08-12 Matsushita Electric Works Ltd Circuit breaker
JPH1141723A (en) * 1997-07-24 1999-02-12 Mitsubishi Electric Corp Switch

Also Published As

Publication number Publication date
IE73215B1 (en) 1997-05-07
MX165903B (en) 1992-12-09
ZA895152B (en) 1990-04-25
IE892173L (en) 1990-02-01
CN1021526C (en) 1993-07-07
NZ229872A (en) 1992-05-26
KR0134632B1 (en) 1998-05-15
DE68925391D1 (en) 1996-02-22
DE68925391T2 (en) 1996-05-15
CN1040112A (en) 1990-02-28
KR900003938A (en) 1990-03-27

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Legal Events

Date Code Title Description
NF Application restored
GB Transfer
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 28/07/2009