CA977805A - Thermally responsive electrical device - Google Patents

Thermally responsive electrical device

Info

Publication number: CA977805A
Authority: CA; Canada
Prior art keywords: electrical device; thermally responsive; responsive electrical; thermally; responsive
Prior art date: 1972-06-29
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

CA173,420A

Inventor

Paul T. Anderson

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.)

1972-06-29

Filing date

1973-06-07

Publication date

1975-11-11

1973-06-07 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1975-11-11 Application granted granted Critical

1975-11-11 Publication of CA977805A publication Critical patent/CA977805A/en

Status Expired legal-status Critical Current

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
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H2071/167—Multiple bimetals working in parallel together, e.g. laminated together
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature

CA173,420A 1972-06-29 1973-06-07 Thermally responsive electrical device Expired CA977805A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US26727272A	1972-06-29	1972-06-29

Publications (1)

Publication Number	Publication Date
CA977805A true CA977805A (en)	1975-11-11

Family

ID=23018076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA173,420A Expired CA977805A (en)	1972-06-29	1973-06-07	Thermally responsive electrical device

Country Status (11)

Country	Link
US (1)	US3792401A (en)
AU (1)	AU476175B2 (en)
BE (1)	BE801424A (en)
BR (1)	BR7304657D0 (en)
CA (1)	CA977805A (en)
CH (1)	CH570035A5 (en)
DE (2)	DE2329642A1 (en)
ES (1)	ES416155A1 (en)
FR (1)	FR2191243B1 (en)
GB (1)	GB1431576A (en)
ZA (1)	ZA734363B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4047140A (en) *	1975-12-23	1977-09-06	Westinghouse Electric Corporation	Thermal overload relay
GB1536197A (en) *	1976-02-25	1978-12-20	Cutler Hammer World Trade Inc	Electrical overload switching relay
JPS5942927B2 (en) *	1977-12-29	1984-10-18	富士電機株式会社	Thermal overload relay
GB1595046A (en) *	1978-04-25	1981-08-05	Sprecher & Schuh Ag	Bimetallic thermo-release
US4270113A (en) *	1979-04-06	1981-05-26	Westinghouse Electric Corp.	Thermal overload relay
FR2516300A1 (en) *	1981-11-09	1983-05-13	Telemecanique Electrique	DIFFERENTIAL DEVICE FOR A POLYPHASE THERMAL RELAY
US4528539A (en) *	1984-06-28	1985-07-09	Eaton Corporation	Reduced-size thermal overload relay
JPH0347242Y2 (en) *	1985-03-26	1991-10-08
DE8619694U1 (en) *	1986-07-23	1986-09-18	Siemens AG, 1000 Berlin und 8000 München	Overload relay
DE19727732B4 (en) *	1997-06-30	2009-08-06	Abb Ag	Combination switchgear
JP4045709B2 (en) *	1999-04-02	2008-02-13	富士電機機器制御株式会社	Thermal overload trip device for circuit breaker
JP4186414B2 (en) *	2000-11-29	2008-11-26	富士電機機器制御株式会社	Instantaneous trip circuit breaker
JP4186415B2 (en) *	2000-11-30	2008-11-26	富士電機機器制御株式会社	Circuit breaker overload trip device
JP2005222738A (en) *	2004-02-03	2005-08-18	Fuji Electric Fa Components & Systems Co Ltd	Overload/open-phase tripping device of circuit breaker
DE102008062527B4 (en) *	2008-12-16	2022-08-11	Abb Schweiz Ag	Multi-phase electrical switching device with a trip slide and a trip slide
JP4978681B2 (en) *	2009-10-23	2012-07-18	富士電機機器制御株式会社	Thermal overload relay

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE443183A (en) *	1937-08-20
BE543460A (en) *	1954-12-23
FR1279427A (en) *	1960-11-09	1961-12-22	Normacem Sa	Thermal relay for polyphase currents
GB1250773A (en) *	1968-11-23	1971-10-20

1972
- 1972-06-29 US US00267272A patent/US3792401A/en not_active Expired - Lifetime
1973
- 1973-06-07 CA CA173,420A patent/CA977805A/en not_active Expired
- 1973-06-07 AU AU56634/73A patent/AU476175B2/en not_active Expired
- 1973-06-09 DE DE2329642A patent/DE2329642A1/en active Pending
- 1973-06-09 DE DE7321781U patent/DE7321781U/en not_active Expired
- 1973-06-20 CH CH896273A patent/CH570035A5/xx not_active IP Right Cessation
- 1973-06-22 ES ES416155A patent/ES416155A1/en not_active Expired
- 1973-06-25 BE BE1005189A patent/BE801424A/en unknown
- 1973-06-25 GB GB3006773A patent/GB1431576A/en not_active Expired
- 1973-06-25 BR BR4657/73A patent/BR7304657D0/en unknown
- 1973-06-26 ZA ZA734363A patent/ZA734363B/en unknown
- 1973-06-29 FR FR7324016A patent/FR2191243B1/fr not_active Expired

Also Published As

Publication number	Publication date
BR7304657D0 (en)	1974-08-22
CH570035A5 (en)	1975-11-28
GB1431576A (en)	1976-04-07
DE2329642A1 (en)	1974-01-17
ES416155A1 (en)	1976-03-01
AU476175B2 (en)	1976-09-16
DE7321781U (en)	1973-09-13
BE801424A (en)	1973-12-26
ZA734363B (en)	1974-06-26
FR2191243B1 (en)	1978-07-21
US3792401A (en)	1974-02-12
AU5663473A (en)	1974-12-12
FR2191243A1 (en)	1974-02-01

Publication	Publication Date	Title
CA1015709A (en)	1977-08-16	Constant temperature device
CA1014429A (en)	1977-07-26	Calorific device
AU462588B2 (en)	1975-06-26	Relating togas-moving device
CA977805A (en)	1975-11-11	Thermally responsive electrical device
CA981735A (en)	1976-01-13	Electrical heating device
CA979644A (en)	1975-12-16	Trail-grooming device
CA1010678A (en)	1977-05-24	Enthalpy-calculating device
CA992656A (en)	1976-07-06	Connection device
CA998460A (en)	1976-10-12	Light-intensifying device
CA988594A (en)	1976-05-04	Electrical contact device
CA998568A (en)	1976-10-19	Seed-dispensing device
CA979645A (en)	1975-12-16	Trail-grooming device
CA969599A (en)	1975-06-17	Temperature sensitive electrical regulating device
CA880867A (en)	1971-09-14	Thermally insulated device
CA859939A (en)	1970-12-29	Electrical temperature sensor device
CA980391A (en)	1975-12-23	Thermal overload device
AU463847B2 (en)	1975-07-21	Electric signal responsive device
CA907225A (en)	1972-08-08	Fire-alarm device
CA899513A (en)	1972-05-02	Thermoelectric device
CA915827A (en)	1972-11-28	Pyroelectric device
CA892756A (en)	1972-02-08	Temperature responsive fuse device
CA988991A (en)	1976-05-11	Thermographic development device
CA909908A (en)	1972-09-12	Electrical measuring device
CA911818A (en)	1972-10-10	Temperature signaling device
CA903520A (en)	1972-06-27	Water-sampling device