AU2581288A - Improvements relating to thermally responsive electric switches and switch actuators - Google Patents

Improvements relating to thermally responsive electric switches and switch actuators

Info

Publication number
AU2581288A
AU2581288A AU25812/88A AU2581288A AU2581288A AU 2581288 A AU2581288 A AU 2581288A AU 25812/88 A AU25812/88 A AU 25812/88A AU 2581288 A AU2581288 A AU 2581288A AU 2581288 A AU2581288 A AU 2581288A
Authority
AU
Australia
Prior art keywords
improvements relating
thermally responsive
electric switches
switch actuators
responsive electric
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.)
Granted
Application number
AU25812/88A
Other versions
AU617379B2 (en
AU617379C (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 AU2581288A publication Critical patent/AU2581288A/en
Publication of AU617379B2 publication Critical patent/AU617379B2/en
Application granted granted Critical
Publication of AU617379C publication Critical patent/AU617379C/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)
AU25812/88A 1987-11-23 1988-11-23 Improvements relating to thermally responsive electric switches and switch actuators Ceased AU617379C (en)

Applications Claiming Priority (6)

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
AU10406/92A Division AU634925B2 (en) 1987-11-23 1992-01-22 Improvements relating to thermally responsive controls for water boiling vessels
AU10598/92A Division AU634927B2 (en) 1987-11-23 1992-01-30 Improvements relating to thermally responsive controls for water boiling vessels

Publications (3)

Publication Number Publication Date
AU2581288A true AU2581288A (en) 1989-05-25
AU617379B2 AU617379B2 (en) 1991-11-28
AU617379C AU617379C (en) 1992-12-24

Family

ID=

Also Published As

Publication number Publication date
EP0318265B1 (en) 1994-02-09
GB2212664B (en) 1992-07-08
EP0318265A3 (en) 1989-10-18
HK171095A (en) 1995-11-17
HK176995A (en) 1995-12-01
AU634927B2 (en) 1993-03-04
DE3887734T2 (en) 1994-05-19
EP0318265A2 (en) 1989-05-31
GB8827340D0 (en) 1988-12-29
NZ227060A (en) 1991-03-26
AU1059892A (en) 1992-04-16
HK171195A (en) 1995-11-17
DE3887734D1 (en) 1994-03-24
AU617379B2 (en) 1991-11-28
GB2212664A (en) 1989-07-26

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Legal Events

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