Invention Grant
- Patent Title: Ceramic heater, glow plug, method of manufacturing ceramic heater and method of manufacturing glow plug
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Application No.: US14325846Application Date: 2014-07-08
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Publication No.: US09655170B2Publication Date: 2017-05-16
- Inventor: Yoshihito Ikai , Ryo Suzuki , Yutaka Sekiguchi
- Applicant: NGK Spark Plug Co., Ltd.
- Applicant Address: JP Aichi
- Assignee: NGK SPARK PLUG CO., LTD.
- Current Assignee: NGK SPARK PLUG CO., LTD.
- Current Assignee Address: JP Aichi
- Agency: Kusner & Jaffe
- Priority: JP2013-143421 20130709
- Main IPC: B23B11/00
- IPC: B23B11/00 ; F23Q7/00 ; H05B3/18 ; H05B3/48 ; B28B11/00
Abstract:
A ceramic heater wherein in at least one cross section of the ceramic heater orthogonal to the axial direction, a first resistor cross section has no protrusion on a first inner portion of the contour of a first resistor cross section, and has two or more protrusions on a first outer portion of the contour of the first resistor cross section and a method of manufacturing the ceramic heater.
Public/Granted literature
- US20150014302A1 CERAMIC HEATER, GLOW PLUG, METHOD OF MANUFACTURING CERAMIC HEATER AND METHOD OF MANUFACTURING GLOW PLUG Public/Granted day:2015-01-15
Information query
