PL197970A1 - Przerywacz obwodu - Google Patents

Przerywacz obwodu

Info

Publication number: PL197970A1
Authority: PL; Poland
Prior art keywords: circuit breaker; breaker; circuit
Prior art date: 1976-05-07

Application number

PL19797077A

Other languages

English (en)

Inventor

John G Salvati

Paul Skalka

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.)

1976-05-07

Filing date

1977-05-07

Publication date

1978-01-02

1977-05-07 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1978-01-02 Publication of PL197970A1 publication Critical patent/PL197970A1/pl

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
- H01H2069/013—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions with calibrating screws in trip bar

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Breakers (AREA)

PL19797077A 1976-05-07 1977-05-07 Przerywacz obwodu PL197970A1 (pl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/684,140 US4074218A (en)	1976-05-07	1976-05-07	Circuit breaker

Publications (1)

Publication Number	Publication Date
PL197970A1 true PL197970A1 (pl)	1978-01-02

Family

ID=24746844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PL19797077A PL197970A1 (pl)	1976-05-07	1977-05-07	Przerywacz obwodu

Country Status (7)

Country	Link
US (1)	US4074218A (pl)
JP (1)	JPS52136368A (pl)
AU (1)	AU2496077A (pl)
ES (1)	ES458558A1 (pl)
IT (1)	IT1080831B (pl)
PL (1)	PL197970A1 (pl)
ZA (1)	ZA772369B (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4313098A (en) *	1980-01-16	1982-01-26	Westinghouse Electric Corp.	Circuit interrupter trip unit
US4691182A (en) *	1986-04-30	1987-09-01	Westinghouse Electric Corp.	Circuit breaker with adjustable magnetic trip unit
US4698606A (en) *	1986-06-20	1987-10-06	Westinghouse Electric Corp.	Circuit breaker with adjustable thermal trip unit
US5027093A (en) *	1990-10-29	1991-06-25	General Electric Company	Molded case circuit breaker actuator-accessory unit having component tolerance compensation
JPH05342967A (ja) *	1992-06-04	1993-12-24	Mitsubishi Electric Corp	回路遮断器
US7130173B2 (en) *	2003-07-08	2006-10-31	Square D Company	Direct force armature for a trip assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3391361A (en) *	1966-12-05	1968-07-02	Gen Electric	Adjustable current-responsive device
US3797007A (en) *	1973-03-29	1974-03-12	Westinghouse Electric Corp	Circuit interrupter protective device
GB1466259A (en) *	1973-10-04	1977-03-02	Dorman Smith Switchgear Ltd	Electric circuit breakers
US3845432A (en) *	1973-12-27	1974-10-29	Ite Imperial Corp	Instantaneous trip means

1976
- 1976-05-07 US US05/684,140 patent/US4074218A/en not_active Expired - Lifetime
1977
- 1977-04-19 ZA ZA00772369A patent/ZA772369B/xx unknown
- 1977-05-06 ES ES458558A patent/ES458558A1/es not_active Expired
- 1977-05-06 IT IT41595/77A patent/IT1080831B/it active
- 1977-05-06 AU AU24960/77A patent/AU2496077A/en not_active Expired
- 1977-05-07 JP JP5256177A patent/JPS52136368A/ja active Pending
- 1977-05-07 PL PL19797077A patent/PL197970A1/pl unknown

Also Published As

Publication number	Publication date
JPS52136368A (en)	1977-11-15
ES458558A1 (es)	1978-08-16
AU2496077A (en)	1978-11-09
US4074218A (en)	1978-02-14
ZA772369B (en)	1978-03-29
IT1080831B (it)	1985-05-16

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