BE521499A - - Google Patents

Info

Publication number: BE521499A
Authority: BE; Belgium

Application number

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.)

1952-07-18

Publication of BE521499A publication Critical patent/BE521499A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/223—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with bimetal elements

BE521499D 1952-07-18 BE521499A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1003331X		1952-07-18

Publications (1)

Publication Number	Publication Date
BE521499A true BE521499A (nl)

Family

ID=9562908

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE521499D BE521499A (nl)	1952-07-18

Country Status (5)

Country	Link
US (1)	US2713623A (nl)
BE (1)	BE521499A (nl)
DE (1)	DE1003331B (nl)
FR (1)	FR1060403A (nl)
GB (1)	GB740282A (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2866035A (en) *	1955-02-17	1958-12-23	C T Electrical Controls Ltd	Thermally operated electric switching mechanisms
BE549732A (nl) *	1955-07-21
DE1014636B (de) *	1955-11-26	1957-08-29	Voigt & Haeffner Ag	Anordnung fuer Schalter und Relais in Mehrphasen-Wechselstromkreisen zur Betaetigung einer Ausloesevorrichtung
US2964602A (en) *	1956-04-02	1960-12-13	Joe Davidson	Snap acting mechanism
LU36020A1 (nl) *	1957-05-03
DE1051952B (de) *	1957-08-06	1959-03-05	Siemens Ag	Getriebe fuer Bimetallueberstromausloeser
US3265831A (en) *	1962-06-21	1966-08-09	Westinghouse Electric Corp	Thermally responsive electrical control device
US3743992A (en) *	1972-08-04	1973-07-03	Westinghouse Electric Corp	Thermally responsive electrical control device for polyphase currents

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1652527A (en) *	1924-11-08	1927-12-13	Westinghouse Electric & Mfg Co	Protective device
US2177775A (en) *	1936-07-25	1939-10-31	Square D Co	Circuit breaker
GB624957A (en) *	1947-07-17	1949-06-20	British Thomson Houston Co Ltd	Improvements in and relating to current sensitive devices for the protection of polyphase circuits
BE488162A (nl) *	1948-05-04

0
- BE BE521499D patent/BE521499A/xx unknown
1952
- 1952-07-18 FR FR1060403D patent/FR1060403A/fr not_active Expired
1953
- 1953-07-01 GB GB18273/53A patent/GB740282A/en not_active Expired
- 1953-07-13 US US367657A patent/US2713623A/en not_active Expired - Lifetime
- 1953-07-16 DE DET8115A patent/DE1003331B/de active Pending

Also Published As

Publication number	Publication date
US2713623A (en)	1955-07-19
FR1060403A (fr)	1954-04-01
DE1003331B (de)	1957-02-28
GB740282A (en)	1955-11-09

Publication	Publication Date	Title
JPS308230B1 (nl)	1955-11-14
JPS31655B1 (nl)	1956-02-03
FR65799E (nl)	1956-03-12
FR999092A (nl)	1952-01-25
JPS303723B1 (nl)	1955-05-31
IT500077A (nl)
FR1052214A (nl)	1954-01-22
FR999050A (nl)	1952-01-25
JPS324232Y1 (nl)	1957-05-25
JPS282534Y1 (nl)	1953-03-27
FR999075A (nl)	1952-01-25
FR65765E (nl)	1956-03-12
FR56521E (nl)	1952-10-09
FR55805E (nl)	1952-09-26
FR1069210A (nl)	1954-07-06
FR1012224A (nl)	1952-07-17
FR1012405A (nl)	1952-07-22
BE522025A (nl)	1953-08-31
BE521208A (nl)
BE521342A (nl)
BE523644A (nl)
BE523848A (nl)
BE523991A (nl)
BE524185A (nl)
BE527327A (nl)