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:
Apr. 14, 2020
Filed:
Nov. 30, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Man Ju Oh, Yongin-si, KR;
Sang Shin Lee, Suwon-si, KR;
So La Chung, Seoul, KR;
Jae Woong Kim, Hwaseong-si, KR;
So Yoon Park, Suwon-si, KR;
Jae Woo Park, Ansan-si, KR;
Ki Seung Bae, Asan-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A sheath heater includes: a housing having an accommodating space formed therein; a plurality of main terminals electrically connected to an outside of the sheath heater through an electric circuit, wherein the accommodating space is filled with magnesia and the plurality of main terminals are disposed in the accommodating space to penetrate through one side and another side of the housing; an overheat preventing means located in the housing, connected in series with the electric circuit, and having a PTC element controlling a flow of current of the electric circuit according to a temperature of the PTC element; and a heating element electrically connected to the electric circuit and generating heat during the flow of current.