CN1021526C - 断路器 - Google Patents

断路器 Download PDF

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Publication number
CN1021526C
CN1021526C CN89105484A CN89105484A CN1021526C CN 1021526 C CN1021526 C CN 1021526C CN 89105484 A CN89105484 A CN 89105484A CN 89105484 A CN89105484 A CN 89105484A CN 1021526 C CN1021526 C CN 1021526C
Authority
CN
China
Prior art keywords
circuit breaker
major axis
assembly
contact
feature
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 - Fee Related
Application number
CN89105484A
Other languages
English (en)
Chinese (zh)
Other versions
CN1040112A (zh
Inventor
杰厄·L·麦克基
兰斯·古拉
格莱恩·R·托马斯
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.)
CBS Corp
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 CN1040112A publication Critical patent/CN1040112A/zh
Application granted granted Critical
Publication of CN1021526C publication Critical patent/CN1021526C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
CN89105484A 1988-08-01 1989-07-31 断路器 Expired - Fee Related CN1021526C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/226,503 US5057806A (en) 1988-08-01 1988-08-01 Crossbar assembly
US226,503 1988-08-01

Publications (2)

Publication Number Publication Date
CN1040112A CN1040112A (zh) 1990-02-28
CN1021526C true CN1021526C (zh) 1993-07-07

Family

ID=22849182

Family Applications (1)

Application Number Title Priority Date Filing Date
CN89105484A Expired - Fee Related CN1021526C (zh) 1988-08-01 1989-07-31 断路器

Country Status (8)

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

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 (ja) * 1997-07-24 1999-02-12 Mitsubishi Electric Corp 開閉器

Also Published As

Publication number Publication date
MX165903B (es) 1992-12-09
CN1040112A (zh) 1990-02-28
KR0134632B1 (en) 1998-05-15
NZ229872A (en) 1992-05-26
IE73215B1 (en) 1997-05-07
ZA895152B (en) 1990-04-25
KR900003938A (ko) 1990-03-27
IE892173L (en) 1990-02-01
DE68925391D1 (de) 1996-02-22
BR8903776A (pt) 1990-03-20
DE68925391T2 (de) 1996-05-15

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee