EP0452561A3 - Electric heating device - Google Patents

Electric heating device Download PDF

Info

Publication number: EP0452561A3
Authority: EP; European Patent Office
Prior art keywords: heating device; electric heating; electric; heating
Prior art date: 1990-04-17
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19900125037

Other versions

EP0452561A2 (en

Inventor

David L. Doubet

Gary D. Etter

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.)

SPX Technologies Inc

Original Assignee

General Signal 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.)

1990-04-17

Filing date

1990-12-20

Publication date

1992-11-19

1990-12-20 Application filed by General Signal Corp filed Critical General Signal Corp

1991-10-23 Publication of EP0452561A2 publication Critical patent/EP0452561A2/en

1992-11-19 Publication of EP0452561A3 publication Critical patent/EP0452561A3/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/14—Arrangements of heating devices
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Resistance Heating (AREA)
Furnace Details (AREA)

EP19900125037 1990-04-17 1990-12-20 Electric heating device Withdrawn EP0452561A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US51025790A	1990-04-17	1990-04-17
US510257		1990-04-17

Publications (2)

Publication Number	Publication Date
EP0452561A2 EP0452561A2 (en)	1991-10-23
EP0452561A3 true EP0452561A3 (en)	1992-11-19

Family

ID=24029996

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900125037 Withdrawn EP0452561A3 (en)	1990-04-17	1990-12-20	Electric heating device

Country Status (2)

Country	Link
EP (1)	EP0452561A3 (en)
JP (1)	JPH0794262A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE507589C2 (en) *	1995-07-06	1998-06-22	Kanthal Ab	When operating an electric oven with internal resistance elements and oven
CN104694715A (en) *	2015-01-19	2015-06-10	苏州新长光热能科技有限公司	Electric heating device of non-ferrous metal heat treatment electric furnace

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB153661A (en) *	1919-08-09	1920-11-09	Gen Electric	Improvements in and relating to electric heating units
FR897300A (en) *	1942-04-28	1945-03-16	Secheron Atel	High temperature vacuum furnace driving process
FR1315187A (en) *	1961-12-08	1963-01-18		Advanced tube electric furnaces
US3764718A (en) *	1972-01-27	1973-10-09	Dravo Corp	Vacuum furnace with an electric heater assembly
US4080510A (en) *	1976-11-18	1978-03-21	Btu Engineering Corporation	Silicon carbide heater
US4090054A (en) *	1976-10-12	1978-05-16	Brown Boveri Corporation	Electrical preheating apparatus

1990
- 1990-12-20 EP EP19900125037 patent/EP0452561A3/en not_active Withdrawn
1991
- 1991-04-15 JP JP8223591A patent/JPH0794262A/en active Pending

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB153661A (en) *	1919-08-09	1920-11-09	Gen Electric	Improvements in and relating to electric heating units
FR897300A (en) *	1942-04-28	1945-03-16	Secheron Atel	High temperature vacuum furnace driving process
FR1315187A (en) *	1961-12-08	1963-01-18		Advanced tube electric furnaces
US3764718A (en) *	1972-01-27	1973-10-09	Dravo Corp	Vacuum furnace with an electric heater assembly
US4090054A (en) *	1976-10-12	1978-05-16	Brown Boveri Corporation	Electrical preheating apparatus
US4080510A (en) *	1976-11-18	1978-03-21	Btu Engineering Corporation	Silicon carbide heater

Also Published As

Publication number	Publication date
JPH0794262A (en)	1995-04-07
EP0452561A2 (en)	1991-10-23

Publication	Publication Date	Title
GB2250146A (en)	1992-05-27	Electric connection device
YU63988A (en)	1990-08-31	Electric heating device
GB2241051B (en)	1994-05-18	An electric sauna heater
GB9109110D0 (en)	1991-06-12	Electric heater
GB8922058D0 (en)	1989-11-15	Electric heater
EP0552482A3 (en)	1993-10-27	Super-compact electric thermal treatment device
EP0452561A3 (en)	1992-11-19	Electric heating device
GB9103941D0 (en)	1991-04-10	An electric sauna heater
GB9115902D0 (en)	1991-09-04	Electrical heating elements
GB2246856B (en)	1994-04-27	Electric space heaters
GB9100757D0 (en)	1991-02-27	Heating means
GB2277384B (en)	1996-10-16	Electrical heating device
GB2252429B (en)	1994-11-23	An electric sauna heater
GB9023977D0 (en)	1990-12-19	Heating devices
GB2239774B (en)	1994-02-23	Electric immersion heaters
GB9108006D0 (en)	1991-06-05	Heating device
GB9105172D0 (en)	1991-04-24	Electric heating devices
CA65670S (en)	1990-03-20	Electric heater
PL287889A1 (en)	1992-06-01	Electric heating unit
GB2241138B (en)	1994-06-29	Electrical heating apparatus
RU1769383C (en)	1992-10-15	Running-water electric heater
GB9210219D0 (en)	1992-06-24	Electrical heater
GB9027050D0 (en)	1991-02-06	Heating device
GB9023612D0 (en)	1990-12-12	Heating device
ZA919481B (en)	1992-10-28	Heating device

Legal Events

Date	Code	Title	Description
1991-09-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-10-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT DE FR GB IT
1992-10-02	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-11-19	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT DE FR GB IT
1993-07-14	17P	Request for examination filed	Effective date: 19930518
1994-10-19	17Q	First examination report despatched	Effective date: 19940831
1995-07-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1995-09-06	18D	Application deemed to be withdrawn	Effective date: 19950313