CA1139809A - Switch units for electric immersion heaters - Google Patents

Switch units for electric immersion heaters

Info

Publication number
CA1139809A
CA1139809A CA000343707A CA343707A CA1139809A CA 1139809 A CA1139809 A CA 1139809A CA 000343707 A CA000343707 A CA 000343707A CA 343707 A CA343707 A CA 343707A CA 1139809 A CA1139809 A CA 1139809A
Authority
CA
Canada
Prior art keywords
actuator
switch
lever
switch unit
overcentre
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
Application number
CA000343707A
Other languages
English (en)
French (fr)
Inventor
John C. Taylor
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1139809A publication Critical patent/CA1139809A/en
Expired 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
    • 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
    • A47J27/21116—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water using a bimetallic element specially adapted for detecting boiling of the water
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
CA000343707A 1979-01-15 1980-01-15 Switch units for electric immersion heaters Expired CA1139809A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7901395A GB2040572B (en) 1979-01-15 1979-01-15 Switch units for electric immersion heaters
GB7901395 1979-01-15

Publications (1)

Publication Number Publication Date
CA1139809A true CA1139809A (en) 1983-01-18

Family

ID=10502528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000343707A Expired CA1139809A (en) 1979-01-15 1980-01-15 Switch units for electric immersion heaters

Country Status (8)

Country Link
AU (1) AU532589B2 (de)
CA (1) CA1139809A (de)
DE (1) DE3001138A1 (de)
FR (1) FR2446575A1 (de)
GB (1) GB2040572B (de)
IE (1) IE49138B1 (de)
NZ (1) NZ192595A (de)
ZA (1) ZA80143B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE52402B1 (en) * 1980-12-19 1987-10-14 Haden D H Ltd Improvements relating to vessels for heating liquids
GB2103460B (en) * 1981-05-28 1985-05-09 T I Russell Hobbs Limited Electrical immersion heaters and liquid heating appliances including such heaters
GB8803550D0 (en) * 1988-02-16 1988-03-16 Strix Ltd Electrical contact
FR2679318B1 (fr) * 1991-07-19 1996-07-12 Seb Sa Appareil de chauffage d'eau, notamment bouilloire, comportant un dispositif de regulation et de rupture d'alimentation.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198719B1 (de) * 1972-09-11 1976-05-21 Hobbs R Ltd
GB1470367A (en) * 1974-07-02 1977-04-14 Taylor J Electric immersion heaters
LU73999A1 (de) * 1974-12-12 1976-07-01

Also Published As

Publication number Publication date
ZA80143B (en) 1981-07-29
NZ192595A (en) 1982-11-23
FR2446575A1 (fr) 1980-08-08
GB2040572B (en) 1983-08-17
DE3001138A1 (de) 1980-07-24
IE49138B1 (en) 1985-08-07
GB2040572A (en) 1980-08-28
IE800068L (en) 1980-07-15
AU532589B2 (en) 1983-10-06
AU5456080A (en) 1980-07-24

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Legal Events

Date Code Title Description
MKEX Expiry