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. 23, 1985
Filed:
Sep. 09, 1983
Sadao Ichikawa, Aichi, JP;
Tuyoshi Kamiya, Aichi, JP;
NGK Spark Plug Co., Ltd., both of, JP;
Nissan Motor Company, Limited, both of, JP;
Abstract
An apparatus for controlling energization of quick-heating glow plugs in an internal combustion engine comprises a power supply, a main relay having a normally open contact, a transfer-type changeover terminal having a neutral terminal, a normally closed terminal connected to ground, and a normally open contact connected to the power supply, a plurality of pairs of glow plugs, the glow plugs having one terminals connected through the normally open contact to the power supply, the glow plugs in each pair having one of other terminals grounded and the other terminal connected to the neutral contact, and a control circuit for controlling the main and changeover relays to connect the glow plugs in each pair selectively in series or parallel to each other with respect to the power supply.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile