The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2020
Filed:
Nov. 30, 2015
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2018.01); F21V 7/00 (2006.01); H05B 3/00 (2006.01); F26B 3/30 (2006.01); H05B 3/22 (2006.01); F26B 15/18 (2006.01);
U.S. Cl.
CPC ...
H05B 3/009 (2013.01); F26B 3/30 (2013.01); F26B 15/18 (2013.01); H05B 3/22 (2013.01); H05B 2203/032 (2013.01);
Abstract
An infrared heaterincludes a heating elementthat emits infrared radiation when heated and that is capable of absorbing infrared radiation in a predetermined reflection wavelength range, and a filter unitthat is disposed so as to be separated by a first space, which is open to an outside space, from the heating element. The filter unitincludes one or more transmission layers (a first transmission layer) that transmit at least a part of the infrared radiation from the heating element, and a reflective section (the first transmission layer) that reflects infrared radiation in the reflection wavelength range toward the heating element