CA1007685A - Circuit breaker with low closing and opening contact pressure - Google Patents

Circuit breaker with low closing and opening contact pressure

Info

Publication number: CA1007685A
Authority: CA; Canada
Prior art keywords: circuit breaker; contact pressure; opening contact; low closing; closing
Prior art date: 1974-07-02
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

CA203,793A

Other languages

English (en)

Other versions

CA203793S (en

Inventor

Karl D. Olafsen

Original Assignee

Falconbrige Nickel Mines 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.)

1974-07-02

Filing date

1974-07-02

Publication date

1977-03-29

1974-07-02 Application filed by Falconbrige Nickel Mines Ltd filed Critical Falconbrige Nickel Mines Ltd

1974-07-02 Priority to CA203,793A priority Critical patent/CA1007685A/en

1975-06-13 Priority to US05/586,764 priority patent/US3974349A/en

1975-06-16 Priority to DE2526950A priority patent/DE2526950C3/de

1975-06-18 Priority to GB25903/75A priority patent/GB1517741A/en

1975-06-19 Priority to BE157477A priority patent/BE830409A/fr

1975-06-25 Priority to FR7520561A priority patent/FR2277423A1/fr

1975-07-01 Priority to IT68688/75A priority patent/IT1044513B/it

1975-07-01 Priority to JP8057275A priority patent/JPS5611966B2/ja

1975-07-01 Priority to CH856175A priority patent/CH596657A5/xx

1975-07-01 Priority to NO752404A priority patent/NO140575C/no

1975-07-01 Priority to SE7507557A priority patent/SE406386B/xx

1977-03-29 Application granted granted Critical

1977-03-29 Publication of CA1007685A publication Critical patent/CA1007685A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members

CA203,793A 1974-07-02 1974-07-02 Circuit breaker with low closing and opening contact pressure Expired CA1007685A (en)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
CA203,793A CA1007685A (en)	1974-07-02	1974-07-02	Circuit breaker with low closing and opening contact pressure
US05/586,764 US3974349A (en)	1974-07-02	1975-06-13	Circuit breaker with automatically adjustable contact pressure
DE2526950A DE2526950C3 (de)	1974-07-02	1975-06-16	Elektrischer Leistungsschalter
GB25903/75A GB1517741A (en)	1974-07-02	1975-06-18	Electric switch
BE157477A BE830409A (fr)	1974-07-02	1975-06-19	Interrupteur de circuit
FR7520561A FR2277423A1 (fr)	1974-07-02	1975-06-25	Perfectionnements aux interrupteurs ou disjoncteurs
IT68688/75A IT1044513B (it)	1974-07-02	1975-07-01	Interruttore odisgiuntore elettrico
JP8057275A JPS5611966B2 (fr)	1974-07-02	1975-07-01
CH856175A CH596657A5 (fr)	1974-07-02	1975-07-01
NO752404A NO140575C (no)	1974-07-02	1975-07-01	Elektrisk bryter med hoeyt kontakttrykk under drift og redusert kontakttrykk ved slutning og brytning
SE7507557A SE406386B (sv)	1974-07-02	1975-07-01	Elektrisk stromstellare

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA203,793A CA1007685A (en)	1974-07-02	1974-07-02	Circuit breaker with low closing and opening contact pressure

Publications (1)

Publication Number	Publication Date
CA1007685A true CA1007685A (en)	1977-03-29

Family

ID=4100550

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA203,793A Expired CA1007685A (en)	1974-07-02	1974-07-02	Circuit breaker with low closing and opening contact pressure

Country Status (11)

Country	Link
US (1)	US3974349A (fr)
JP (1)	JPS5611966B2 (fr)
BE (1)	BE830409A (fr)
CA (1)	CA1007685A (fr)
CH (1)	CH596657A5 (fr)
DE (1)	DE2526950C3 (fr)
FR (1)	FR2277423A1 (fr)
GB (1)	GB1517741A (fr)
IT (1)	IT1044513B (fr)
NO (1)	NO140575C (fr)
SE (1)	SE406386B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56118497A (en) *	1980-02-26	1981-09-17	Toshiba Silicone Co Ltd	Method for imparting slip property to surface of article
AU2002244067A1 (en)	2001-02-22	2002-09-12	Crompton Corporation	Water repellent textile finishes and method of making
CN111710553A (zh) *	2020-05-20	2020-09-25	深圳供电局有限公司	隔离开关

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2972337A (en) *	1959-11-30	1961-02-21	Gen Electric	Hydraulically actuated operating mechanism for an electric circuit breaker
NL120020C (fr) *	1960-07-20
CH389063A (fr) *	1962-02-28	1965-03-15	Merlin Gerin	Dispositif à contacts glissants pour interrupteur électrique
US3137778A (en) *	1962-04-16	1964-06-16	Gen Electric	Pivotally mounted disconnect switch contacts

1974
- 1974-07-02 CA CA203,793A patent/CA1007685A/en not_active Expired
1975
- 1975-06-13 US US05/586,764 patent/US3974349A/en not_active Expired - Lifetime
- 1975-06-16 DE DE2526950A patent/DE2526950C3/de not_active Expired
- 1975-06-18 GB GB25903/75A patent/GB1517741A/en not_active Expired
- 1975-06-19 BE BE157477A patent/BE830409A/fr not_active IP Right Cessation
- 1975-06-25 FR FR7520561A patent/FR2277423A1/fr active Granted
- 1975-07-01 IT IT68688/75A patent/IT1044513B/it active
- 1975-07-01 SE SE7507557A patent/SE406386B/xx unknown
- 1975-07-01 CH CH856175A patent/CH596657A5/xx not_active IP Right Cessation
- 1975-07-01 JP JP8057275A patent/JPS5611966B2/ja not_active Expired
- 1975-07-01 NO NO752404A patent/NO140575C/no unknown

Also Published As

Publication number	Publication date
GB1517741A (en)	1978-07-12
NO140575C (no)	1979-09-26
NO752404L (fr)	1976-01-05
US3974349A (en)	1976-08-10
CH596657A5 (fr)	1978-03-15
JPS5127465A (fr)	1976-03-08
DE2526950B2 (de)	1979-01-11
JPS5611966B2 (fr)	1981-03-18
DE2526950C3 (de)	1979-09-06
DE2526950A1 (de)	1976-01-22
FR2277423A1 (fr)	1976-01-30
SE406386B (sv)	1979-02-05
NO140575B (no)	1979-06-18
BE830409A (fr)	1975-10-16
SE7507557L (sv)	1976-01-05
FR2277423B1 (fr)	1980-11-21
IT1044513B (it)	1980-03-31

Similar Documents

Publication	Publication Date	Title
CA1033786A (fr)	1978-06-27	Dispositif de commutation electromagnetique bistable
CA1034387A (fr)	1978-07-11	Ensemble contact et remontoir a couronne d'une montre a semiconducteurs
AU8271275A (en)	1977-01-06	Panelboard and circuit breaker combination
CA1012192A (en)	1977-06-14	Circuit breaker with spring closing means and pawl and rachet spring charging means
CA1015812A (fr)	1977-08-16	Mecanisme servant a ouvrir et a fermer un interrupteur electrique
CA1014207A (en)	1977-07-19	Gas blast circuit breaker with contacts moving in opposite directions
AU506084B2 (en)	1979-12-13	Combination motor-starter and circuit breaker
AU497134B2 (en)	1978-11-30	Circuit breaker
CA977397A (en)	1975-11-04	High-voltage circuit-interrupter having a closing resistance and improved shunting-resistance contacts therefor
CA1007685A (en)	1977-03-29	Circuit breaker with low closing and opening contact pressure
CA1026440A (fr)	1978-02-14	Liaison electrique entre un element mobile et un element fixe
CA975411A (en)	1975-09-30	Circuit breaker and compartment - interlock and secondary contact actuation
CA1034173A (fr)	1978-07-04	Ensemble d'ajustage et de contact pour coupe-circuit a soufflage d'arc
CA1028739A (fr)	1978-03-28	Disjoncteur
CA1029781A (fr)	1978-04-18	Coupe-circuit a ouverture electromagnetique
CA928367A (en)	1973-06-12	Manually operated toggle acting switch having a means for preventing assembly of the switch with the contacts of the switch in a circuit closing condition
CA1031401A (fr)	1978-05-16	Coupe-circuit multipolaire a soufflage d'arc
AU500610B2 (en)	1979-05-24	Reversing valve with toggle snap-action
AU8378675A (en)	1977-02-10	Electrical contacts
AU498601B2 (en)	1979-03-15	Pressure switch mechanism and cam stop
JPS5248123A (en)	1977-04-16	Opening and closing valve drive device providing urgent breaker circuit
AU6402473A (en)	1975-07-03	Circuit breaker with wide opening contacts
AU494181B2 (en)	1975-11-06	Switching device having contacts
CA902714A (en)	1972-06-13	Electronic circuit breaker with gradual and instantaneous cutoff
AU476621B2 (en)	1976-09-30	Beadseat seal breaker device