GB2332845A - Electric heaters - Google Patents

Electric heaters

Info

Publication number
GB2332845A
GB2332845A GB9824979A GB9824979A GB2332845A GB 2332845 A GB2332845 A GB 2332845A GB 9824979 A GB9824979 A GB 9824979A GB 9824979 A GB9824979 A GB 9824979A GB 2332845 A GB2332845 A GB 2332845A
Authority
GB
United Kingdom
Prior art keywords
heater
heating element
die
end portions
cast
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.)
Granted
Application number
GB9824979A
Other versions
GB9824979D0 (en
GB2332845B (en
Inventor
Vernon James Donnelly
John Crawshaw Taylor
Martin J Shepherd
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.)
Strix Ltd
Original Assignee
Strix 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 Strix Ltd filed Critical Strix Ltd
Priority to GB0016671A priority Critical patent/GB2348589B/en
Publication of GB9824979D0 publication Critical patent/GB9824979D0/en
Publication of GB2332845A publication Critical patent/GB2332845A/en
Application granted granted Critical
Publication of GB2332845B publication Critical patent/GB2332845B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
    • A47J27/21108—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water using a bimetallic element
    • 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
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/70—Plates of cast metal
    • 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
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Resistance Heating (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

A die-cast heater (2) for a liquid heating vessel comprises a heating element (4) arranged in substantially a single turn about the periphery of the heater and having overlapping end portions (34). The overlapping end portions (34) allow the heating element (4) to heat substantially the entire periphery of the heater (2). The die-cast element carrier (3) comprises integral bosses (30) which are in direct thermal contact with the heating element (4) and serve as thermal contact locations for bimetallic actuators of a control for the heater (2). The boses (30) smooth out transient fluctuations in the temperature registered by the bimetallic actuators to prevent inappropriate operation.
GB9824979A 1996-05-15 1997-05-15 Electric heaters Expired - Fee Related GB2332845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0016671A GB2348589B (en) 1996-05-15 1997-05-15 Electric heaters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9610097.9A GB9610097D0 (en) 1996-05-15 1996-05-15 Liquid heating vessels
PCT/GB1997/001323 WO1997043873A1 (en) 1996-05-15 1997-05-15 Electric heaters

Publications (3)

Publication Number Publication Date
GB9824979D0 GB9824979D0 (en) 1999-01-06
GB2332845A true GB2332845A (en) 1999-06-30
GB2332845B GB2332845B (en) 2000-10-04

Family

ID=10793705

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9610097.9A Pending GB9610097D0 (en) 1996-05-15 1996-05-15 Liquid heating vessels
GB9824979A Expired - Fee Related GB2332845B (en) 1996-05-15 1997-05-15 Electric heaters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9610097.9A Pending GB9610097D0 (en) 1996-05-15 1996-05-15 Liquid heating vessels

Country Status (3)

Country Link
CN (2) CN1128567C (en)
GB (2) GB9610097D0 (en)
WO (1) WO1997043873A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9718109D0 (en) * 1997-08-27 1997-10-29 Strix Ltd Electric heaters
GB0502786D0 (en) * 2005-02-10 2005-03-16 Strix Ltd Heaters for liquid heating vessels
CN1805623B (en) * 2005-12-30 2011-01-05 宁波圣莱达电器股份有限公司 Safety protector for electric heating container
CN109247820A (en) * 2017-07-12 2019-01-22 海盐东海电器有限公司 Integral electrical heating device and the dress insulating pot of Integral electrical heating device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581144A (en) * 1969-03-27 1971-05-25 Gen Electric Metal-clad insulated electrical heater
GB2265071A (en) * 1992-03-10 1993-09-15 Otter Controls Ltd Thermal path to a thermal cut out/ boiling sensor for an electric immmersion heating element
WO1994018807A1 (en) * 1993-02-15 1994-08-18 Strix Limited Immersion heaters
EP0786922A1 (en) * 1996-01-25 1997-07-30 Seb S.A. Electrical resitance element for bottom heater, particularly for water kettles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581144A (en) * 1969-03-27 1971-05-25 Gen Electric Metal-clad insulated electrical heater
GB2265071A (en) * 1992-03-10 1993-09-15 Otter Controls Ltd Thermal path to a thermal cut out/ boiling sensor for an electric immmersion heating element
WO1994018807A1 (en) * 1993-02-15 1994-08-18 Strix Limited Immersion heaters
EP0786922A1 (en) * 1996-01-25 1997-07-30 Seb S.A. Electrical resitance element for bottom heater, particularly for water kettles

Also Published As

Publication number Publication date
CN1128567C (en) 2003-11-19
GB9824979D0 (en) 1999-01-06
CN1543265A (en) 2004-11-03
WO1997043873A1 (en) 1997-11-20
CN100471346C (en) 2009-03-18
GB2332845B (en) 2000-10-04
CN1221549A (en) 1999-06-30
GB9610097D0 (en) 1996-07-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120515