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:
Feb. 04, 2020
Filed:
Nov. 15, 2016
Jahwa Electronics Co., Ltd., Chungcheongbuk-do, KR;
Hanon System Co., Ltd., Daejeon, KR;
Do Sik Min, Chungcheongbuk-do, KR;
Jong Up Kim, Chungcheongbuk-do, KR;
Sang Ho Oh, Daejeon, KR;
Chae Geun Lim, Daejeon, KR;
Joong Heum Jung, Daejeon, KR;
JAHWA ELECTRONICS CO., LTD., Chungcheonbuk-Do, KR;
HANON SYSTEMS, Daejeon, KR;
Abstract
An independently-controlled PTC (Positive Temperature Coefficient) heater includes a PTC unit including first and second PTC elements for generating heat by an applied power, a guide frame having an opening to which the first and second PTC elements are mounted, first and second electrode plates configured to respectively make surface contact with one surfaces of the first and second PTC elements which are exposed through the opening, a common electrode plate configured to make surface contact with the other surfaces of both the first and second PTC elements which is exposed through the opening, and an insulation member configured to insulate the first electrode plate, the second electrode plate and the common electrode plate from an outside; and a heat diffusion fin provided at a side of the heating tube.