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Induction kettle

A technology of induction coils and components, applied in induction heating, induction heating control, induction heating devices, etc., can solve the problems of complex circuit systems, manual operation of induction kettles, etc.

Active Publication Date: 2021-10-15
BREVILLE HLDG PTY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the downside, turning off the induction kettle may require manual operation or complex circuitry

Method used

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  • Induction kettle
  • Induction kettle
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Examples

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Embodiment Construction

[0049] In the figures, an appliance for heating water, preferably a kettle 10 , is schematically depicted. The kettle 10 comprises a container or jug ​​12 and a heater base 14 on which the jug 12 rests. Base 14 delivers power to board 50, as discussed below. As an advantage of the preferred embodiment, the jug 12 is preferably made of glass for easy dishwasher cleaning, which may make the user experience relatively easier.

[0050] Such as Figures 2 to 4 7 and 7, the base 14 houses a power source 16 that is electrically coupled to an induction coil 18 also housed within the base 14. The induction coil 18 is magnetically coupled to the board 50 when the board 50 is placed on the base 14 . Specifically, the power supply 16 is configured to deliver alternating current to the induction coil 18 so that the induction coil 18 can be used to deliver a magnetic field to the plate 50 to heat water contained in the jug 12 .

[0051]Power supply 16 contains a microprocessor (not show...

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PUM

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Abstract

An appliance (10) to heat a liquid, the appliance (10) including: a vessel (12) to receive the liquid to be heated, the vessel (12) having a generally central upright longitudinal axis (24), a bottom wall (26), and a side wall (28) extending upwardly from the bottom wall (26), with the bottom wall (26) and side wall (28) at least partly enclosing a chamber (40) within which the liquid is heated, with the chamber (40) having an upper region (42) axially spaced from the bottom wall (26), and a lower region (44) located between the bottom wall (26) and the upper region (42); a heating element (50) located within the chamber (40) for relative movement therewithin, with the element (50) at least partly formed of ferromagnetic material; a heater base (14) to be positioned relative to the bottom wall (26) of the vessel (12), the heater base (14) including at least a portion of an induction coil (18); connections to deliver an alternating current to the induction coil (18) so as to deliver a magnetic field to the lower region (44); and wherein the element (50) is movable relative to the coil (18) between an operative position at which the element (50) is located within the lower region (44) so as to be energised by the magnetic field to cause heating of the element (50) so that heat generated by the element (50) can be delivered to the liquid via conduction, and an inoperative position at which the element (50) is located in the upper region (42) so as to no longer place an operative load on the induction coil (18).

Description

technical field [0001] The present invention relates to appliances for heating liquids, and more particularly, but not exclusively, to induction kettles. Background technique [0002] Kettles are well-known devices for rapidly boiling water, for example for making tea, cooking and the like. Power from the mains is delivered to an electric heating element usually located in the base of the kettle. [0003] Induction jugs can be heated by using an induction coil to heat the liquid inside the jug. Induction heating circuits use the principles of magnetic induction to generate heat across a "load" (eg, the ferromagnetic base of a kettle). [0004] On the downside, turning off an induction kettle may require manual operation or complex circuitry. [0005] Purpose [0006] It is an object of the present invention to substantially overcome or at least ameliorate one or more of the aforementioned disadvantages. Contents of the invention [0007] Disclosed herein is an applia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/21
CPCA47J27/2105A47J27/21108H05B6/108A47J27/21175A47J27/211H05B6/06H05B6/12
Inventor D·B·赫尔墨斯S·J·麦克林J·蒂R·霍尔
Owner BREVILLE HLDG PTY LTD