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GB2331848B - Improvements relating to thermally responsive actuators - Google Patents

Improvements relating to thermally responsive actuators

Info

Publication number
GB2331848B
GB2331848B GB9811400A GB9811400A GB2331848B GB 2331848 B GB2331848 B GB 2331848B GB 9811400 A GB9811400 A GB 9811400A GB 9811400 A GB9811400 A GB 9811400A GB 2331848 B GB2331848 B GB 2331848B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
thermally responsive
responsive actuators
actuators
thermally
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.)
Expired - Fee Related
Application number
GB9811400A
Other versions
GB2331848A8 (en
GB9811400D0 (en
GB2331848A (en
Inventor
Robert Andrew O'neill
Paul Boundy
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.)
Otter Controls Ltd
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
Priority to GB0121868A priority Critical patent/GB2363908B/en
Publication of GB9811400D0 publication Critical patent/GB9811400D0/en
Priority to EP98956996A priority patent/EP1034552B1/en
Priority to PCT/GB1998/003571 priority patent/WO1999028935A1/en
Priority to CN 98813182 priority patent/CN1132206C/en
Priority to AU13427/99A priority patent/AU1342799A/en
Priority to DE69810963T priority patent/DE69810963T2/en
Publication of GB2331848A publication Critical patent/GB2331848A/en
Publication of GB2331848A8 publication Critical patent/GB2331848A8/en
Application granted granted Critical
Publication of GB2331848B publication Critical patent/GB2331848B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • H01H5/22—Energy stored by deformation of elastic members by flexing of blade springs blade spring with at least one snap-acting leg and at least one separate contact-carrying or contact-actuating leg
    • 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
    • A47J27/21125—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water using a bimetallic element the bimetallic element being a snapping disc
    • 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
    • H01H37/02—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
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • H01H5/22—Energy stored by deformation of elastic members by flexing of blade springs blade spring with at least one snap-acting leg and at least one separate contact-carrying or contact-actuating leg
    • H01H5/24—Energy stored by deformation of elastic members by flexing of blade springs blade spring with at least one snap-acting leg and at least one separate contact-carrying or contact-actuating leg having three legs

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Thermally Actuated Switches (AREA)
GB9811400A 1997-11-28 1998-05-27 Improvements relating to thermally responsive actuators Expired - Fee Related GB2331848B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0121868A GB2363908B (en) 1997-11-28 1998-05-27 Improvements relating to thermally-responsive actuators
AU13427/99A AU1342799A (en) 1997-11-28 1998-11-30 Improvements relating to thermally-responsive actuators
PCT/GB1998/003571 WO1999028935A1 (en) 1997-11-28 1998-11-30 Improvements relating to thermally-responsive actuators
CN 98813182 CN1132206C (en) 1997-11-28 1998-11-30 Improvements relating to thermally-responsive actuators
EP98956996A EP1034552B1 (en) 1997-11-28 1998-11-30 Improvements relating to thermally-responsive actuators
DE69810963T DE69810963T2 (en) 1997-11-28 1998-11-30 IMPROVEMENTS TO THERMALLY APPLICABLE TRIGGER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9725401.5A GB9725401D0 (en) 1997-11-28 1997-11-28 Improvements relating to thermally-responsive actuators

Publications (4)

Publication Number Publication Date
GB9811400D0 GB9811400D0 (en) 1998-07-22
GB2331848A GB2331848A (en) 1999-06-02
GB2331848A8 GB2331848A8 (en) 1999-12-02
GB2331848B true GB2331848B (en) 2002-01-16

Family

ID=10822936

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9725401.5A Ceased GB9725401D0 (en) 1997-11-28 1997-11-28 Improvements relating to thermally-responsive actuators
GB9811400A Expired - Fee Related GB2331848B (en) 1997-11-28 1998-05-27 Improvements relating to thermally responsive actuators

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9725401.5A Ceased GB9725401D0 (en) 1997-11-28 1997-11-28 Improvements relating to thermally-responsive actuators

Country Status (1)

Country Link
GB (2) GB9725401D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9904391D0 (en) * 1999-02-25 1999-04-21 Otter Controls Ltd Improvements relating to thermal controls
GB2365319B (en) 2000-08-07 2004-02-25 Otter Controls Ltd Improvements relating to liquid heating vessels
GB2365752B (en) 2000-08-14 2003-11-19 Otter Controls Ltd Improvements relating to water boiling vessels
GB2382225C (en) 2001-11-16 2007-10-10 Kettle Solutions Ltd Switch for water boiling appliance such as a kettle
GB2410615B (en) * 2003-01-16 2005-10-26 Otter Controls Ltd Mounting for a bimetallic actuator
GB2409341A (en) 2003-12-16 2005-06-22 Otter Controls Ltd Improvements relating to thermal control units
WO2005059670A1 (en) * 2003-12-16 2005-06-30 Otter Controls Limited Improvements relating to thermal controls
EP2741641B1 (en) * 2011-08-10 2016-08-10 Strix Limited Controls for a liquid heating apparatus
PL2741642T3 (en) * 2011-08-10 2016-11-30 Controls for a liquid heating apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB474919A (en) * 1936-05-13 1937-11-10 Schiele & Bruchsaler Ind Improvements in, or relating to, snap-action electrical switches
GB566762A (en) * 1943-03-09 1945-01-12 I L Berridge & Co Ltd Improvements in snap action mechanisms
GB1162288A (en) * 1966-12-09 1969-08-20 Cutler Hammer Inc Improvements in or relating to Snap Action Electric Switches
GB1180007A (en) * 1967-08-18 1970-02-04 Maxson Electronics Corp Snap Acting Switches.
GB1185864A (en) * 1966-10-22 1970-03-25 Tateisi Electronics Company Snap Action Electric Switch
GB1247042A (en) * 1967-11-02 1971-09-22 Danfoss As Snap-action switch
GB1545315A (en) * 1975-03-25 1979-05-10 Danfoss As Electrical snap-action switch
US4885435A (en) * 1988-12-23 1989-12-05 Telephone And Telegraph Company Cantilever spring switch having multiple fulcrums

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB474919A (en) * 1936-05-13 1937-11-10 Schiele & Bruchsaler Ind Improvements in, or relating to, snap-action electrical switches
GB566762A (en) * 1943-03-09 1945-01-12 I L Berridge & Co Ltd Improvements in snap action mechanisms
GB1185864A (en) * 1966-10-22 1970-03-25 Tateisi Electronics Company Snap Action Electric Switch
GB1162288A (en) * 1966-12-09 1969-08-20 Cutler Hammer Inc Improvements in or relating to Snap Action Electric Switches
GB1180007A (en) * 1967-08-18 1970-02-04 Maxson Electronics Corp Snap Acting Switches.
GB1247042A (en) * 1967-11-02 1971-09-22 Danfoss As Snap-action switch
GB1545315A (en) * 1975-03-25 1979-05-10 Danfoss As Electrical snap-action switch
US4885435A (en) * 1988-12-23 1989-12-05 Telephone And Telegraph Company Cantilever spring switch having multiple fulcrums

Also Published As

Publication number Publication date
GB2331848A8 (en) 1999-12-02
GB9811400D0 (en) 1998-07-22
GB2331848A (en) 1999-06-02
GB9725401D0 (en) 1998-01-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160527