Invention Grant
- Patent Title: Electric heating element that includes a radiant tube
- Patent Title (中): 包括辐射管的电加热元件
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Application No.: US10563822Application Date: 2004-06-29
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Publication No.: US07576306B2Publication Date: 2009-08-18
- Inventor: Thomas Lewin
- Applicant: Thomas Lewin
- Applicant Address: SE Sandviken
- Assignee: Sandvik Intellectual Property AB
- Current Assignee: Sandvik Intellectual Property AB
- Current Assignee Address: SE Sandviken
- Agency: Drinker Biddle & Reath LLP
- Priority: SE0302047 20030710
- International Application: PCT/SE2004/001048 WO 20040629
- International Announcement: WO2005/006812 WO 20050120
- Main IPC: H05B3/10
- IPC: H05B3/10 ; H01C1/024

Abstract:
An electric heating element with radiant tube comprising a radiation pipe (1) and an electric heating element (2, 3) contained in said pipe, wherein the heating element has legs that run to and fro in the pipe, and wherein the heating element is connected at one end of the pipe close to a furnace wall with electric power outlets through which electric current is fed to the element, wherein the element is supported in the pipe by ceramic discs (9) that are provided with through-penetrating holes through which the legs of the elements extend, and wherein two elements (2, 3) are disposed sequentially in said radiation pipe along its long axis.
Public/Granted literature
- US20070235444A1 Electric Heating Element That Includes a Radiant Tube Public/Granted day:2007-10-11
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