GB2248520B - Improvements relating to thermally responsive controls for water boiling vessels - Google Patents

Improvements relating to thermally responsive controls for water boiling vessels

Info

Publication number
GB2248520B
GB2248520B GB9123640A GB9123640A GB2248520B GB 2248520 B GB2248520 B GB 2248520B GB 9123640 A GB9123640 A GB 9123640A GB 9123640 A GB9123640 A GB 9123640A GB 2248520 B GB2248520 B GB 2248520B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
water boiling
thermally responsive
boiling vessels
responsive controls
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 - Lifetime
Application number
GB9123640A
Other versions
GB2248520A (en
GB9123640D0 (en
Inventor
Robert Andrew O'neill
Keith Fletcher
Terence James Collins Foster
Andrew Vincent Florentine
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
Priority claimed from GB878727412A external-priority patent/GB8727412D0/en
Priority claimed from GB888801438A external-priority patent/GB8801438D0/en
Priority claimed from GB888810506A external-priority patent/GB8810506D0/en
Priority claimed from GB8827340A external-priority patent/GB2212664B/en
Application filed by Otter Controls Ltd filed Critical Otter Controls Ltd
Priority to GB9123640A priority Critical patent/GB2248520B/en
Publication of GB9123640D0 publication Critical patent/GB9123640D0/en
Publication of GB2248520A publication Critical patent/GB2248520A/en
Application granted granted Critical
Publication of GB2248520B publication Critical patent/GB2248520B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/04—Bases; Housings; Mountings
    • H01H37/043—Mountings on controlled apparatus
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • H01H2003/466—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle using a living hinge to connect the levers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0122—Two SMA actuators, e.g. one for closing or resetting contacts and one for opening them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
    • 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
    • H01H37/04—Bases; Housings; Mountings
    • 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
    • H01H37/323—Thermally-sensitive members making use of shape memory materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/60—Means for producing snap action

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
GB9123640A 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels Expired - Lifetime GB2248520B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9123640A GB2248520B (en) 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB878727412A GB8727412D0 (en) 1987-11-23 1987-11-23 Thermally responsive electric switches
GB888801438A GB8801438D0 (en) 1988-01-22 1988-01-22 Improvements relating to thermally-responsive electric switches
GB888810506A GB8810506D0 (en) 1988-05-04 1988-05-04 Improvements relating to thermally-responsive electric switches
GB8827340A GB2212664B (en) 1987-11-23 1988-11-23 Improvements relating to thermally responsive actuators
GB9123640A GB2248520B (en) 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels

Publications (3)

Publication Number Publication Date
GB9123640D0 GB9123640D0 (en) 1992-01-02
GB2248520A GB2248520A (en) 1992-04-08
GB2248520B true GB2248520B (en) 1992-06-24

Family

ID=27450012

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9123639A Expired - Lifetime GB2248519B (en) 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels
GB9123640A Expired - Lifetime GB2248520B (en) 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9123639A Expired - Lifetime GB2248519B (en) 1987-11-23 1991-11-05 Improvements relating to thermally responsive controls for water boiling vessels

Country Status (1)

Country Link
GB (2) GB2248519B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9205159D0 (en) * 1992-03-10 1992-04-22 Otter Controls Ltd Improvements relating to electrically powered immersion heating elements and controls thereof
GB9904391D0 (en) * 1999-02-25 1999-04-21 Otter Controls Ltd Improvements relating to thermal controls
DE10062704A1 (en) * 2000-12-15 2002-07-04 Siemens Ag Electromechanical component
GB2431516A (en) * 2005-10-19 2007-04-25 Otter Controls Ltd Improvements relating to thermal control units

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB280323A (en) * 1926-09-15 1927-11-17 Gen Electric Improvements in temperature control devices
GB622901A (en) * 1946-04-17 1949-05-09 British Thomson Houston Co Ltd Improvements in and relating to snap-action devices
GB775631A (en) * 1954-09-17 1957-05-29 Alfa Romeo Spa Improvements relating to the control of electric motors driving windshield wipers
GB1298352A (en) * 1969-04-17 1972-11-29 Lucas Industries Ltd Electrical switches
GB1418522A (en) * 1972-12-14 1975-12-24 Eberle Werke Kg Snap-action switch
GB1470366A (en) * 1973-06-28 1977-04-14 Otter Controls L D Electric immersion heaters
GB1499743A (en) * 1974-03-27 1978-02-01 Grossag Gmbh Thermal change-over switch
GB2045588A (en) * 1979-03-23 1980-10-29 Taylor J C Water-boiling containers
GB2102205A (en) * 1981-06-27 1983-01-26 Haden D H Ltd Vessels for heating liquids
GB2117568A (en) * 1982-03-18 1983-10-12 Otter Controls Ltd Immersed element protection
GB2185857A (en) * 1986-01-25 1987-07-29 Haden D H Ltd Controls for vessels for heating liquids
EP0254482A1 (en) * 1986-07-24 1988-01-27 D.H. Haden Limited Electrical apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1264464A (en) * 1968-04-18 1972-02-23
GB1316436A (en) * 1969-09-09 1973-05-09 Otter Controls Ltd Electric immersion heater units
GB1415843A (en) * 1972-01-14 1975-11-26 Otter Controls Ltd Electric immersion heater assemblies
GB2036541B (en) * 1978-08-17 1983-05-11 Haden Ltd D Electric kettles
GB8502170D0 (en) * 1985-01-29 1985-02-27 Strix Ltd Thermally-sensitive controls

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB280323A (en) * 1926-09-15 1927-11-17 Gen Electric Improvements in temperature control devices
GB622901A (en) * 1946-04-17 1949-05-09 British Thomson Houston Co Ltd Improvements in and relating to snap-action devices
GB775631A (en) * 1954-09-17 1957-05-29 Alfa Romeo Spa Improvements relating to the control of electric motors driving windshield wipers
GB1298352A (en) * 1969-04-17 1972-11-29 Lucas Industries Ltd Electrical switches
GB1418522A (en) * 1972-12-14 1975-12-24 Eberle Werke Kg Snap-action switch
GB1470366A (en) * 1973-06-28 1977-04-14 Otter Controls L D Electric immersion heaters
GB1499743A (en) * 1974-03-27 1978-02-01 Grossag Gmbh Thermal change-over switch
GB2045588A (en) * 1979-03-23 1980-10-29 Taylor J C Water-boiling containers
GB2102205A (en) * 1981-06-27 1983-01-26 Haden D H Ltd Vessels for heating liquids
GB2117568A (en) * 1982-03-18 1983-10-12 Otter Controls Ltd Immersed element protection
GB2185857A (en) * 1986-01-25 1987-07-29 Haden D H Ltd Controls for vessels for heating liquids
EP0254482A1 (en) * 1986-07-24 1988-01-27 D.H. Haden Limited Electrical apparatus

Also Published As

Publication number Publication date
GB2248520A (en) 1992-04-08
GB2248519B (en) 1992-06-24
GB2248519A (en) 1992-04-08
GB9123639D0 (en) 1992-01-02
GB9123640D0 (en) 1992-01-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20081122