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:
Jul. 21, 1987
Filed:
Mar. 06, 1986
Applicant:
Inventor:
Mitusuke Masaka, Saitama, JP;
Assignee:
Jidosha Kiki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; F02P / ;
U.S. Cl.
CPC ...
219270 ; 219260 ; 219267 ; 219552 ; 219553 ; 1231 / ; 1231 / ; 361264 ; 361265 ; 361266 ;
Abstract
A self-temperature control type glow plug includes a rod heater held at a front end of a hollow metal holder and having one end extending outside the hollow metal holder. The rod heater includes a heating section made of a conductive ceramic material with a small positive temperature coefficient and a control section made of a conductive ceramic material with a positive temperature coefficient larger than that of the heating section. The heating section is formed integrally with the control section.