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System and method employing active thermal buffer element for improved joule heating

A technology of joule heating and thermal buffering, which is applied in the direction of electrical components, ohmic resistance heating, electric heating devices, etc.

Inactive Publication Date: 2021-02-19
势必锐航空系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Using flexible couplings or other solutions to maintain contact can lead to undesired deformations and greater concerns about the dimensional stability of the formed panels

Method used

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  • System and method employing active thermal buffer element for improved joule heating
  • System and method employing active thermal buffer element for improved joule heating
  • System and method employing active thermal buffer element for improved joule heating

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Embodiment Construction

[0027] The following detailed description of embodiments of the invention refers to the accompanying drawings. The embodiments are intended to describe aspects of the invention in sufficient detail to enable those of ordinary skill in the art to practice the invention. Embodiments of the present invention are illustrated by way of example and not by way of limitation. Other embodiments may be utilized and changes may be made without departing from the scope of the claims. Accordingly, the following description is not intended to be limiting. The scope of the invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled.

[0028] In this specification, reference to "one embodiment", "an embodiment" or "a plurality of embodiments" means that one or more features referred to are included in at least one embodiment of the present invention. Unless stated otherwise, individual references in this specification t...

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Abstract

A system and method for more consistent joule heating of a material blank to a desired temperature. An electrical terminal delivers a current to an end portion of the blank. The terminal has a heat sink effect which would otherwise prevent the end portion from reaching the desired temperature. An active thermal buffer element is interposed between the terminal and the end portion. The buffer element includes a first surface which abuts the end portion and a second surface which abuts the terminal. The buffer element is joule heated with the blank, and a temperature gradient is created across the buffer element such that the first surface is at the desired temperature and the second surface is at a lower temperature due to the heat sink effect of the terminal. The buffer element thereby compensates for the heat sink effect and allows the end portion to reach the desired temperature.

Description

technical field [0001] The present invention relates to systems and methods for heating materials utilizing Joule heating, and more particularly, embodiments relate to systems and methods employing active thermal buffer elements to reduce the thermal effect of electrical terminals on end portions of materials, thereby Provides more consistent Joule heating of materials. Background technique [0002] Joule heating, also known as resistive heating, is the generation of heat by passing an electric current through a conductive material. Joule heating is used, for example, to shape metal parts and structural parts of aircraft and other vehicles. Referring to FIG. 1 (Prior Art), an exemplary metal blank 20 to be Joule heated and shaped is formed with end portions 22, 24 (eg, having bolt holes) configured to physically connect to an electrical bus. Electrical connections (such as copper terminals). Referring to Figure 2 (Prior Art), once the metal blank 20 has been Joule heated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R9/24H01R13/533
CPCH05B3/0004H01R9/24H01R13/533B23H2500/00B23H11/006
Inventor 小詹姆斯·迈克尔·瓦格纳
Owner 势必锐航空系统有限公司
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