GB2212664B - Improvements relating to thermally responsive actuators - Google Patents

Improvements relating to thermally responsive actuators

Info

Publication number
GB2212664B
GB2212664B GB8827340A GB8827340A GB2212664B GB 2212664 B GB2212664 B GB 2212664B GB 8827340 A GB8827340 A GB 8827340A GB 8827340 A GB8827340 A GB 8827340A GB 2212664 B GB2212664 B GB 2212664B
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 - Lifetime
Application number
GB8827340A
Other versions
GB8827340D0 (en
GB2212664A (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
Application filed by Otter Controls Ltd filed Critical Otter Controls Ltd
Publication of GB8827340D0 publication Critical patent/GB8827340D0/en
Publication of GB2212664A publication Critical patent/GB2212664A/en
Priority to GB9123639A priority Critical patent/GB2248519B/en
Priority to GB9123640A priority patent/GB2248520B/en
Application granted granted Critical
Publication of GB2212664B publication Critical patent/GB2212664B/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
    • H01H37/32—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Cookers (AREA)
GB8827340A 1987-11-23 1988-11-23 Improvements relating to thermally responsive actuators Expired - Lifetime GB2212664B (en)

Priority Applications (2)

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

Applications Claiming Priority (3)

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

Publications (3)

Publication Number Publication Date
GB8827340D0 GB8827340D0 (en) 1988-12-29
GB2212664A GB2212664A (en) 1989-07-26
GB2212664B true GB2212664B (en) 1992-07-08

Family

ID=27263684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8827340A Expired - Lifetime GB2212664B (en) 1987-11-23 1988-11-23 Improvements relating to thermally responsive actuators

Country Status (6)

Country Link
EP (1) EP0318265B1 (en)
AU (1) AU634927B2 (en)
DE (1) DE3887734T2 (en)
GB (1) GB2212664B (en)
HK (3) HK171095A (en)
NZ (1) NZ227060A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235257B (en) * 1989-08-24 1993-08-25 Otter Controls Ltd Improvements relating to thermally responsive electric switches
GB9101028D0 (en) * 1991-01-17 1991-02-27 Strix Ltd Liquid boiling vessels
GB9114247D0 (en) * 1991-07-02 1991-08-21 Otter Controls Ltd Improvements relating to thermally-responsive controls
GB2315161B (en) * 1996-07-10 2000-10-11 Otter Controls Ltd Improvements relating to thermally responsive electric switches
GB9710096D0 (en) 1997-05-19 1997-07-09 Otter Controls Ltd Improvements relating to electrical heating elements
GB2329759B (en) 1997-09-25 2001-09-05 Otter Controls Ltd Improvements relating to electrically heated water boiling vessels
GB2363908B (en) * 1997-11-28 2002-03-06 Otter Controls Ltd Improvements relating to thermally-responsive actuators
GB9816645D0 (en) 1998-07-30 1998-09-30 Otter Controls Ltd Improvements relating to electrically heated water boiling vessels
GB2378818B (en) 1999-02-11 2003-06-11 Otter Controls Ltd Improvements relating to control of electric heating elements
GB0316037D0 (en) * 2003-07-08 2003-08-13 Otter Controls Ltd Improvements relating to thermal control units

Citations (15)

* 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
GB755971A (en) * 1953-12-01 1956-08-29 William Morris Russell Improvements in electric kettles and the like
GB775631A (en) * 1954-09-17 1957-05-29 Alfa Romeo Spa Improvements relating to the control of electric motors driving windshield wipers
GB1264464A (en) * 1968-04-18 1972-02-23
GB1298352A (en) * 1969-04-17 1972-11-29 Lucas Industries Ltd Electrical switches
GB1316436A (en) * 1969-09-09 1973-05-09 Otter Controls Ltd Electric immersion heater units
GB1383904A (en) * 1971-02-05 1974-02-12 British Domestic Appliances Electrically heated vessels
GB1362775A (en) * 1970-06-17 1974-08-07 Joseph Ltd N C Electrically heated vessels for heating liquids
GB1408388A (en) * 1972-09-11 1975-10-01 Hobbs R Ltd Electric kettles
GB1415843A (en) * 1972-01-14 1975-11-26 Otter Controls Ltd Electric immersion heater assemblies
GB1418522A (en) * 1972-12-14 1975-12-24 Eberle Werke Kg Snap-action switch
GB1499743A (en) * 1974-03-27 1978-02-01 Grossag Gmbh Thermal change-over switch
GB2036541A (en) * 1978-08-17 1980-07-02 Haden Ltd D Electric kettles
GB2170956A (en) * 1985-01-29 1986-08-13 Strix Ltd Thermally-sensitive controls for electrical immersion heaters

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470366A (en) * 1973-06-28 1977-04-14 Otter Controls L D Electric immersion heaters
GB2045588B (en) * 1979-03-23 1983-09-07 Taylor J C Water-boiling containers
US4339738A (en) * 1981-04-30 1982-07-13 Elmwood Sensors Inc. Single pole double throw thermostatic switch
EP0068686A2 (en) * 1981-06-26 1983-01-05 Eaton S.A.M. Two-temperature thermoswitch
GB2102205B (en) * 1981-06-27 1985-05-30 Haden D H Ltd Vessels for heating liquids e.g.an electric kettle or jug
CA1206505A (en) * 1982-03-18 1986-06-24 Richard A. Phillips Immersed element protection
GB2128029A (en) * 1982-09-06 1984-04-18 Otter Controls Ltd Thermal switch units

Patent Citations (15)

* 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
GB755971A (en) * 1953-12-01 1956-08-29 William Morris Russell Improvements in electric kettles and the like
GB775631A (en) * 1954-09-17 1957-05-29 Alfa Romeo Spa Improvements relating to the control of electric motors driving windshield wipers
GB1264464A (en) * 1968-04-18 1972-02-23
GB1298352A (en) * 1969-04-17 1972-11-29 Lucas Industries Ltd Electrical switches
GB1316436A (en) * 1969-09-09 1973-05-09 Otter Controls Ltd Electric immersion heater units
GB1362775A (en) * 1970-06-17 1974-08-07 Joseph Ltd N C Electrically heated vessels for heating liquids
GB1383904A (en) * 1971-02-05 1974-02-12 British Domestic Appliances Electrically heated vessels
GB1415843A (en) * 1972-01-14 1975-11-26 Otter Controls Ltd Electric immersion heater assemblies
GB1408388A (en) * 1972-09-11 1975-10-01 Hobbs R Ltd Electric kettles
GB1418522A (en) * 1972-12-14 1975-12-24 Eberle Werke Kg Snap-action switch
GB1499743A (en) * 1974-03-27 1978-02-01 Grossag Gmbh Thermal change-over switch
GB2036541A (en) * 1978-08-17 1980-07-02 Haden Ltd D Electric kettles
GB2170956A (en) * 1985-01-29 1986-08-13 Strix Ltd Thermally-sensitive controls for electrical immersion heaters

Also Published As

Publication number Publication date
GB8827340D0 (en) 1988-12-29
AU1059892A (en) 1992-04-16
HK176995A (en) 1995-12-01
EP0318265A2 (en) 1989-05-31
AU2581288A (en) 1989-05-25
AU634927B2 (en) 1993-03-04
DE3887734D1 (en) 1994-03-24
HK171095A (en) 1995-11-17
EP0318265A3 (en) 1989-10-18
AU617379B2 (en) 1991-11-28
GB2212664A (en) 1989-07-26
DE3887734T2 (en) 1994-05-19
HK171195A (en) 1995-11-17
EP0318265B1 (en) 1994-02-09
NZ227060A (en) 1991-03-26

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Legal Events

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

Expiry date: 20081122