ZA875548B - Thermal control units - Google Patents

Thermal control units

Info

Publication number
ZA875548B
ZA875548B ZA875548A ZA875548A ZA875548B ZA 875548 B ZA875548 B ZA 875548B ZA 875548 A ZA875548 A ZA 875548A ZA 875548 A ZA875548 A ZA 875548A ZA 875548 B ZA875548 B ZA 875548B
Authority
ZA
South Africa
Prior art keywords
bimetal
carrier
control
element head
primary
Prior art date
Application number
ZA875548A
Other languages
English (en)
Inventor
Arthur Malcolm Blackburn
Malcolm Blackburn Arthur
Robert Andrew O'neill
Andrew O'neill Robert
Terence James Collins Foster
James Collins Foster Terence
Ian Geoffrey White
Geoffrey White Ian
Original Assignee
Otter Controls 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 Otter Controls Ltd filed Critical Otter Controls Ltd
Publication of ZA875548B publication Critical patent/ZA875548B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H2037/5472—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting having an omega form, e.g. the bimetallic snap element having a ring shape with a central tongue
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/002—Thermally-actuated switches combined with protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/34—Means for transmitting heat thereto, e.g. capsule remote from contact member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Control Of Temperature (AREA)
  • Air Conditioning Control Device (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Magnetic Heads (AREA)
  • Valve Device For Special Equipments (AREA)
  • Push-Button Switches (AREA)
  • Temperature-Responsive Valves (AREA)
ZA875548A 1986-07-28 1987-07-28 Thermal control units ZA875548B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868618372A GB8618372D0 (en) 1986-07-28 1986-07-28 Thermal control units

Publications (1)

Publication Number Publication Date
ZA875548B true ZA875548B (en) 1988-04-27

Family

ID=10601808

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA875548A ZA875548B (en) 1986-07-28 1987-07-28 Thermal control units

Country Status (8)

Country Link
US (1) US4829280A (xx)
EP (1) EP0255347B1 (xx)
AT (1) ATE94686T1 (xx)
AU (1) AU609047B2 (xx)
DE (1) DE3787423T2 (xx)
GB (2) GB8618372D0 (xx)
NZ (1) NZ221237A (xx)
ZA (1) ZA875548B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2035419C (en) * 1990-01-31 2002-01-01 Robert Andrew O'neill Electrical appliances
GB9004965D0 (en) * 1990-03-06 1990-05-02 Otter Controls Ltd Improvements relating to thermal control units
GB9020032D0 (en) * 1990-09-13 1990-10-24 Otter Controls Ltd Improvements relating to thermal control units
GB9105111D0 (en) * 1991-03-11 1991-04-24 Otter Controls Ltd Improvements relating to thermally-responsive switches
GB9108597D0 (en) * 1991-04-22 1991-06-05 Otter Controls Ltd Controls for water heating appliances
GB9205159D0 (en) * 1992-03-10 1992-04-22 Otter Controls Ltd Improvements relating to electrically powered immersion heating elements and controls thereof
GB2308244B (en) * 1992-09-02 1997-08-20 Otter Controls Ltd Improvements relating to electrical appliances and connectors therefor
AU682069B2 (en) * 1993-10-21 1997-09-18 Otter Controls Limited Improvements relating to electrically heated water boiling vessels
GB2308921B (en) * 1993-10-21 1997-09-17 Otter Controls Ltd Improvements relating to controls for electrical heating elements
GB2287829B (en) * 1994-01-27 1998-08-26 Otter Controls Ltd Improvements relating to thermal controls
AU658810B3 (en) * 1994-05-25 1995-04-27 Well Sun Wu A multi-purpose receptacle
GB9423900D0 (en) * 1994-11-26 1995-01-11 Pifco Ltd Improvements to thick film elements
GB2306801B (en) * 1995-11-03 1999-09-01 Otter Controls Ltd Improvements relating to electrically powered water heating appliances and controls therefor
GB9524176D0 (en) * 1995-11-27 1996-01-31 Otter Controls Ltd Improvements relating to electrically powered liquid heating appliances and controls therefor
GB9710096D0 (en) 1997-05-19 1997-07-09 Otter Controls Ltd Improvements relating to electrical heating elements
GB2333901B (en) 1997-09-25 2000-06-14 Otter Controls Ltd Improvements relating to electrically heated water boiling vessels
GB9816645D0 (en) 1998-07-30 1998-09-30 Otter Controls Ltd Improvements relating to electrically heated water boiling vessels
GB2346738B (en) 1999-02-11 2003-01-29 Otter Controls Ltd Improvements relating to control of electric heating elements
GB2365752B (en) 2000-08-14 2003-11-19 Otter Controls Ltd Improvements relating to water boiling vessels
CN2504753Y (zh) * 2001-10-25 2002-08-07 邵志成 改良温度感应控制结构的器具插座
GB0316037D0 (en) * 2003-07-08 2003-08-13 Otter Controls Ltd Improvements relating to thermal control units
US7206505B2 (en) * 2004-06-29 2007-04-17 S.C. Johnson & Son, Inc. Volatizer with integrated thermal cutoff
GB2472631B (en) 2009-08-13 2014-10-08 Otter Controls Ltd Electrical appliances

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2361193A (en) * 1939-07-12 1944-10-24 Radio Patents Corp Control device, particularly thermostatic device
BE523417A (xx) * 1953-07-17
US3496511A (en) * 1968-01-15 1970-02-17 Elmwood Sensors Thermostatic switch for small electrical appliances
GB1408387A (en) * 1971-11-26 1975-10-01 Hobbs R Ltd Electric kettles and other electrically heated beverage makers
US4109121A (en) * 1976-07-22 1978-08-22 Robertshaw Controls Company Electrical switch construction and method of making the same
GB2061013A (en) * 1978-08-17 1981-05-07 Haden D H Ltd Electric switches
IT1110797B (it) * 1979-01-29 1986-01-06 Eaton Spa Termostato,particolarmente a bimetallo,con interruttore di sicurezza
IE52402B1 (en) * 1980-12-19 1987-10-14 Haden D H Ltd Improvements relating to vessels for heating liquids
US4339738A (en) * 1981-04-30 1982-07-13 Elmwood Sensors Inc. Single pole double throw thermostatic switch
GB2102205B (en) * 1981-06-27 1985-05-30 Haden D H Ltd Vessels for heating liquids e.g.an electric kettle or jug
US4472705A (en) * 1983-01-03 1984-09-18 Elmwood Sensors, Inc. Thermostatic switch with thermal override
DE3304126C2 (de) * 1983-02-08 1985-07-25 Inter Control Hermann Köhler Elektrik GmbH & Co KG, 8500 Nürnberg Bimetallgesteuerter Sprungscheiben-Thermoschalter
US4492946A (en) * 1983-10-20 1985-01-08 Therm-O-Disc, Incorporated Edge-actuated thermostat
IT1176406B (it) * 1984-07-17 1987-08-18 Vebe Elettromecc Termostato bimetallico per controllare circuiti elettrici
US4752671A (en) * 1985-05-22 1988-06-21 Otter Controls Limited Electric immersion heating elements and controls therefor
AU6277486A (en) * 1985-09-17 1987-03-19 Texas Instruments Australia Limited Adjustable water heater thermostat

Also Published As

Publication number Publication date
GB8618372D0 (en) 1986-09-03
GB2194099A (en) 1988-02-24
GB8717871D0 (en) 1987-09-03
AU609047B2 (en) 1991-04-26
EP0255347A3 (en) 1988-09-07
DE3787423T2 (de) 1994-01-20
ATE94686T1 (de) 1993-10-15
AU7620187A (en) 1988-02-04
DE3787423D1 (de) 1993-10-21
EP0255347B1 (en) 1993-09-15
EP0255347A2 (en) 1988-02-03
US4829280A (en) 1989-05-09
NZ221237A (en) 1990-08-28
GB2194099B (en) 1990-01-10

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