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Oscillation mini-channel cookware

A technology of micro-channel and kitchen utensils, applied in the direction of kitchen utensils, household utensils, special materials for cooking utensils, etc.

Active Publication Date: 2018-09-28
TELEDYNE SCI & IMAGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its construction is complicated and expensive, which reduces the reliability and safety of the kitchenware while greatly increasing the cost
If circulation is prevented by the wick structure, there is a risk of severe burnout in heat pipe cookware

Method used

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  • Oscillation mini-channel cookware
  • Oscillation mini-channel cookware
  • Oscillation mini-channel cookware

Examples

Experimental program
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Embodiment Construction

[0023] The present invention provides safe, lightweight and inexpensive cookware with fast thermal response and uniform heating. This is accomplished using oscillating microchannels to transfer heat via convection from the direct heating zone to the indirect heating zone for cooking on both surfaces. In certain embodiments, the oscillating microchannels are "coreless" and are therefore simpler and less expensive to implement safely and efficiently.

[0024] see figure 1 A kitchen appliance 10 includes a metal plate 12 having a direct heating zone 14 and an indirect heating zone 18 configured to receive thermal energy 15 directly from a heat source 16 . The direct heating zone 14 and the indirect heating zone 18 together define a food heating zone 20 . A "coreless" oscillatory microchannel (OMC) 22 embedded in plate 12 winds back and forth between direct and indirect heating zones. The working fluid 24, which occupies 30-90% of the volume of the oscillating microchannel, is ...

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Abstract

Cookware such as griddles and pots are formed with an oscillation mini-channel that winds back-and-forth between direct and indirect heating regions. An operating fluid that occupies 30-90 percents ofthe volume of the oscillation mini-channel is placed under vacuum. The mini-channel is dimensioned to produce capillary forces that create vapor bubbles and liquid slugs interspersed throughout the oscillation mini-channel. Heating of the direct heating region creates oscillatory movements of the vapor bubbles and liquid slugs that transfer heat from the direct heating region to the indirect heating region to maintain a more uniform temperature across the food-heating zone. The cookware may exhibit an effective thermal conductivity of at least 1,000 W / m.K.

Description

technical field [0001] The present invention relates to cookware such as pans and griddles for use on electric, gas or induction stoves for cooking food, and more particularly to manufacturable, energy efficient , low-cost, lightweight and safe kitchen utensils. Background technique [0002] To achieve satisfactory cooking results in an energy efficient manner, cookware should heat up quickly and maintain an approximately uniform temperature on the bottom and any side wall surfaces. In order to achieve the desired heating properties, cookware must exhibit high thermal conductivity. This is especially critical for heating cooking surfaces that are not in direct contact with a heat source. For example, the farther area of ​​a larger baking dish or the side walls of a pan. Cookware is preferably lightweight and low cost, and must be reliable and safe for consumers. [0003] Commercially available cookware utilizes a "solid" core construction of stainless steel, cast iron, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/026
CPCA47J27/026A47J36/02A47J27/02
Inventor S·蔡A·布尼亚
Owner TELEDYNE SCI & IMAGING
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