EP4109022A4 - Electric heater device and heat-treatment furnace provided with same - Google Patents

Electric heater device and heat-treatment furnace provided with same Download PDF

Info

Publication number
EP4109022A4
EP4109022A4 EP20920315.7A EP20920315A EP4109022A4 EP 4109022 A4 EP4109022 A4 EP 4109022A4 EP 20920315 A EP20920315 A EP 20920315A EP 4109022 A4 EP4109022 A4 EP 4109022A4
Authority
EP
European Patent Office
Prior art keywords
heat
same
electric heater
treatment furnace
heater device
Prior art date
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.)
Pending
Application number
EP20920315.7A
Other languages
German (de)
French (fr)
Other versions
EP4109022A1 (en
Inventor
Masato Nagata
Shingo Nakai
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.)
Chugai Ro Co Ltd
Original Assignee
Chugai Ro Co 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.)
Filing date
Publication date
Application filed by Chugai Ro Co Ltd filed Critical Chugai Ro Co Ltd
Publication of EP4109022A1 publication Critical patent/EP4109022A1/en
Publication of EP4109022A4 publication Critical patent/EP4109022A4/en
Pending legal-status Critical Current

Links

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
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/02—Ohmic resistance heating
    • 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
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0036—Linings or walls comprising means for supporting electric resistances in the furnace
    • 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
    • F27B2005/143—Heating rods disposed in the chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP20920315.7A 2020-02-18 2020-12-22 Electric heater device and heat-treatment furnace provided with same Pending EP4109022A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020025454A JP6795715B1 (en) 2020-02-18 2020-02-18 Electric heater device and heat treatment furnace equipped with it
PCT/JP2020/047999 WO2021166430A1 (en) 2020-02-18 2020-12-22 Electric heater device and heat-treatment furnace provided with same

Publications (2)

Publication Number Publication Date
EP4109022A1 EP4109022A1 (en) 2022-12-28
EP4109022A4 true EP4109022A4 (en) 2024-02-21

Family

ID=73544837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20920315.7A Pending EP4109022A4 (en) 2020-02-18 2020-12-22 Electric heater device and heat-treatment furnace provided with same

Country Status (5)

Country Link
EP (1) EP4109022A4 (en)
JP (1) JP6795715B1 (en)
CN (1) CN115135944A (en)
TW (1) TWI821622B (en)
WO (1) WO2021166430A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072931A (en) * 1963-04-01 1967-06-21 Ass Elect Ind Improvements in or relating to electric furnaces
AU7112881A (en) * 1981-05-28 1982-12-02 Peter John Riley Apparatus for supporting electric heating elements
US4403329A (en) * 1981-07-06 1983-09-06 General Signal Corporation Support system for electrical resistance element
US4443881A (en) * 1982-06-01 1984-04-17 Northcutt Donald R Suspension system for electric heating elements
DE8808799U1 (en) * 1988-07-08 1988-09-29 Didier-Werke Ag, 6200 Wiesbaden Mounting device for electrical heating conductors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154975A (en) * 1977-03-04 1979-05-15 Sauder Industries, Inc. Method and apparatus for supporting electric heating elements in a furnace insulated with ceramic fiber
US4418415A (en) * 1982-03-08 1983-11-29 Kennecott Corporation Ceramic fiber insulated furnaces with electrical hanger element of great mechanical integrity
JPS6045367U (en) 1983-09-07 1985-03-30 新日本製鐵株式会社 Furnace wall structure of vertical continuous annealing furnace
JPS6056025A (en) 1983-09-07 1985-04-01 Nippon Steel Corp Construction of wall of continuous annealing furnace
US4620309A (en) * 1985-03-29 1986-10-28 Ppg Industries, Inc. Electric furnace construction
JPS62163895A (en) 1986-01-14 1987-07-20 Mitsubishi Heavy Ind Ltd Double reversal propeller vessel having stern bulb
JP2707195B2 (en) 1993-01-22 1998-01-28 新日本製鐵株式会社 Fibrous refractory block
JP4542358B2 (en) 2004-03-29 2010-09-15 新日鉄エンジニアリング株式会社 Fiber refractory block for continuous annealing furnace
JP4769842B2 (en) 2008-04-08 2011-09-07 株式会社アルファ・オイコス High temperature furnace
CN205648027U (en) * 2016-05-03 2016-10-12 洛阳Lyc轴承有限公司 Prevent electric heating radiant tube of short circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072931A (en) * 1963-04-01 1967-06-21 Ass Elect Ind Improvements in or relating to electric furnaces
AU7112881A (en) * 1981-05-28 1982-12-02 Peter John Riley Apparatus for supporting electric heating elements
US4403329A (en) * 1981-07-06 1983-09-06 General Signal Corporation Support system for electrical resistance element
US4443881A (en) * 1982-06-01 1984-04-17 Northcutt Donald R Suspension system for electric heating elements
DE8808799U1 (en) * 1988-07-08 1988-09-29 Didier-Werke Ag, 6200 Wiesbaden Mounting device for electrical heating conductors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021166430A1 *

Also Published As

Publication number Publication date
EP4109022A1 (en) 2022-12-28
TWI821622B (en) 2023-11-11
JP2021131171A (en) 2021-09-09
WO2021166430A1 (en) 2021-08-26
TW202132741A (en) 2021-09-01
CN115135944A (en) 2022-09-30
JP6795715B1 (en) 2020-12-02

Similar Documents

Publication Publication Date Title
ZA202108573B (en) Ceramic heating element and non-contact heat not burn heating device with same
EP4000429A4 (en) Heater and low-temperature heating smoking set
EP3817086A4 (en) Electric power source device and vehicle with same
EP3598632A4 (en) Motor control device and electric power steering device equipped with same
EP4037444A4 (en) Temperature equalization component and electronic device
EP3467418A4 (en) Feeder device utilized in electric arc furnace, and flue gas and temperature control method
EP3778271A4 (en) Vehicle heating device, and vehicle provided with vehicle heating device
EP3917281A4 (en) Heating device and refrigerator having same
EP3591832A4 (en) Motor control device and electric power steering device provided with same
EP4096364A4 (en) Heating element and electromagnetic heating baking device
EP3952009A4 (en) Power supply device and electric vehicle
EP3671042A4 (en) Heating apparatus and cooking apparatus including same
EP3879681A4 (en) Electric drive device and electric power steering device
EP3872430A4 (en) Heating device and refrigerator equipped with heating device
EP3780908A4 (en) Dielectric heating device and dielectric heating electrode
EP3943754A4 (en) Fan and electric appliance
EP3890461A4 (en) Electric apparatus case and power control device
EP3986101A4 (en) Heat conduction device and terminal device
EP4085774A4 (en) Heating assembly and electric heating smoking set
EP4159061A4 (en) Heater and aerosol-generating device
IL290814A (en) Insulating glazing with low-power heating and high mechanical strength
EP4218445A4 (en) Heating assembly and aerosol-forming device
EP3754816A4 (en) Motor and electric device with same
EP4109022A4 (en) Electric heater device and heat-treatment furnace provided with same
EP3754675A4 (en) Wireless power transmission system comprising transparent heating element, and head mounted device including same

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220708

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240124

RIC1 Information provided on ipc code assigned before grant

Ipc: F27D 1/00 20060101ALI20240118BHEP

Ipc: F27B 5/14 20060101ALI20240118BHEP

Ipc: F27D 11/02 20060101AFI20240118BHEP