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:
Dec. 22, 2009
Filed:
Jun. 13, 2007
Yuichi Yamada, Kohnan, JP;
Shunsuke Maeda, Komaki, JP;
Tatsuki Hirabayashi, Nagoya, JP;
Akito Ishihara, Tsushima, JP;
Tatsunori Yamada, Aichi, JP;
Yuichi Yamada, Kohnan, JP;
Shunsuke Maeda, Komaki, JP;
Tatsuki Hirabayashi, Nagoya, JP;
Akito Ishihara, Tsushima, JP;
Tatsunori Yamada, Aichi, JP;
NGK Spark Plug Co., Ltd., , JP;
Abstract
A glow plug includes a heater member; heater power lead wires which extend rearward along an axis and whose conductors electrically communicate with one and of a heater conductor for supply of power; a sensor, portion for detecting the combustion pressure of an internal combustion engine; a sensor connection line connected to the sensor portion and extending rearward along the axis; a housing; a sensor-portion-enclosing tube; and a grommet formed from an insulating rubber-like elastic material, having insertion holes through which the heater power lead wires and the sensor connection line are respectively inserted, the grommet liquid-tightly closing an end portion of the sensor-portion-enclosing tube and liquid-tightly holding the heater power lead wires and the sensor connection line.