AU634927B2 - Improvements relating to thermally responsive controls for water boiling vessels - Google Patents

Improvements relating to thermally responsive controls for water boiling vessels Download PDF

Info

Publication number
AU634927B2
AU634927B2 AU10598/92A AU1059892A AU634927B2 AU 634927 B2 AU634927 B2 AU 634927B2 AU 10598/92 A AU10598/92 A AU 10598/92A AU 1059892 A AU1059892 A AU 1059892A AU 634927 B2 AU634927 B2 AU 634927B2
Authority
AU
Australia
Prior art keywords
protector
combination
bridge
steam sensor
steam
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.)
Ceased
Application number
AU10598/92A
Other languages
English (en)
Other versions
AU1059892A (en
Inventor
Keith Fletcher
Andrew Vincent Florentine
Terence James Collins Foster
Robert Andrew O'neill
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 AU1059892A publication Critical patent/AU1059892A/en
Application granted granted Critical
Publication of AU634927B2 publication Critical patent/AU634927B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU10598/92A 1987-11-23 1992-01-30 Improvements relating to thermally responsive controls for water boiling vessels Ceased AU634927B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB878727412A GB8727412D0 (en) 1987-11-23 1987-11-23 Thermally responsive electric switches
GB8727412 1987-11-23
GB888801438A GB8801438D0 (en) 1988-01-22 1988-01-22 Improvements relating to thermally-responsive electric switches
GB8801438 1988-01-22
GB888810506A GB8810506D0 (en) 1988-05-04 1988-05-04 Improvements relating to thermally-responsive electric switches
GB8810506 1988-05-04

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU25812/88A Division AU617379C (en) 1987-11-23 1988-11-23 Improvements relating to thermally responsive electric switches and switch actuators

Publications (2)

Publication Number Publication Date
AU1059892A AU1059892A (en) 1992-04-16
AU634927B2 true AU634927B2 (en) 1993-03-04

Family

ID=27263684

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10598/92A Ceased AU634927B2 (en) 1987-11-23 1992-01-30 Improvements relating to thermally responsive controls for water boiling vessels

Country Status (6)

Country Link
EP (1) EP0318265B1 (xx)
AU (1) AU634927B2 (xx)
DE (1) DE3887734T2 (xx)
GB (1) GB2212664B (xx)
HK (3) HK171195A (xx)
NZ (1) NZ227060A (xx)

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
GB2333901B (en) 1997-09-25 2000-06-14 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
GB2346738B (en) 1999-02-11 2003-01-29 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 (3)

* 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
GB2102205A (en) * 1981-06-27 1983-01-26 Haden D H Ltd Vessels for heating liquids
GB2128029A (en) * 1982-09-06 1984-04-18 Otter Controls Ltd Thermal switch units

Family Cites Families (19)

* 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 (xx) * 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
NO134574C (xx) * 1972-12-14 1976-11-03 Eberle Werke Kg
DE2414884C3 (de) * 1974-03-27 1980-03-13 Grossag Gmbh, 7170 Schwaebisch Hall Thermischer Umschalter
GB2036541B (en) * 1978-08-17 1983-05-11 Haden Ltd D Electric kettles
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
CA1206505A (en) * 1982-03-18 1986-06-24 Richard A. Phillips Immersed element protection
GB8502170D0 (en) * 1985-01-29 1985-02-27 Strix Ltd Thermally-sensitive controls

Patent Citations (3)

* 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
GB2102205A (en) * 1981-06-27 1983-01-26 Haden D H Ltd Vessels for heating liquids
GB2128029A (en) * 1982-09-06 1984-04-18 Otter Controls Ltd Thermal switch units

Also Published As

Publication number Publication date
GB8827340D0 (en) 1988-12-29
HK171195A (en) 1995-11-17
NZ227060A (en) 1991-03-26
DE3887734D1 (de) 1994-03-24
HK171095A (en) 1995-11-17
AU617379B2 (en) 1991-11-28
AU2581288A (en) 1989-05-25
GB2212664A (en) 1989-07-26
EP0318265A2 (en) 1989-05-31
HK176995A (en) 1995-12-01
GB2212664B (en) 1992-07-08
EP0318265B1 (en) 1994-02-09
AU1059892A (en) 1992-04-16
EP0318265A3 (en) 1989-10-18
DE3887734T2 (de) 1994-05-19

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired