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:
Oct. 22, 1985
Filed:
Sep. 23, 1983
Koji Hatanaka, Higashimatsuyama, JP;
Tozo Takizawa, Higashimatsuyama, JP;
Jidosha Kiki Co., Ltd., Tokyo, JP;
Abstract
In a glow plug for use in a diesel engine of the type comprising a first helical heating member, a second helical heating member connected to the first heating member and made of material having larger positive resistance temperature coefficient than that of the first heating member, and a sheath enclosing the first and second heating members, the ratio between the length of the first heating member and the sheath diameter is selected to be less than 1.5, and the resistance ratio at normal temperature of the first and second heating members is selected to lie in a range of from 2.5 to 7.0.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile