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:
Aug. 23, 2016
Filed:
Dec. 25, 2012
Applicant:
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi, JP;
Inventors:
Manabu Okinaka, Kani, JP;
Yoshihiro Yamamoto, Kitanagoya, JP;
Hiroyuki Suzuki, Kasugai, JP;
Akimitsu Sassa, Toukai, JP;
Assignee:
NGK SPARK PLUG CO., LTD., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23Q 7/00 (2006.01); F02P 19/02 (2006.01); G01L 19/00 (2006.01); G01M 15/08 (2006.01);
U.S. Cl.
CPC ...
F02P 19/028 (2013.01); F23Q 7/001 (2013.01); G01L 19/00 (2013.01); G01M 15/08 (2013.01); F23Q 2007/002 (2013.01);
Abstract
A ceramic glow plug equipped with a pressure sensor including a ceramic heater, a holding device, a housing sleeve, a housing, a movable member and a pressure sensor. A heat-generating main portion P whose resistance is 75% of the total resistance of the ceramic heater is located forward of the forward end of the holding sleeve.