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Patent Searching and Data


Title:
GLOW PLUG
Document Type and Number:
WIPO Patent Application WO/2019/102708
Kind Code:
A1
Abstract:
The purpose of the present invention is to minimize power consumption while achieving a rapid increase in power. A glow plug (1) according to the present invention is characterized in comprising a ceramic heater (10) that has an electroconductive ceramic (11) and an insulating ceramic (16) that covers the electroconductive ceramic (11); the electroconductive ceramic (11) having a heat generation portion (12) disposed at the distal end, and a lead (14) connected to the rear end of the heat generation unit (12); and the thinnest portion (16a) of the insulating ceramic (16), at which the heat generation unit (12) and the outer peripheral surface of the insulating ceramic (16) are closest to each other in a cross-section perpendicular to the axis of the ceramic heater (10), measures 0.5 to 0.7 mm in thickness.

Inventors:
CHO Kan (13-26 Yakyu-cho 3-chome,Higashimatsuyama-sh, Saitama 03, 〒3558603, JP)
REISSNER Andreas (Stuttgart, Postfach 30 02 20, 70442, DE)
HAHN Dietmar (Stuttgart, Postfach 30 02 20, 70442, DE)
TOYOSHIMA Yasuo (Stuttgart, Postfach 30 02 20, 70442, DE)
Application Number:
JP2018/035539
Publication Date:
May 31, 2019
Filing Date:
September 26, 2018
Export Citation:
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Assignee:
BOSCH CORPORATION (6-7 Shibuya 3-chome, Shibuya-ku Tokyo, 60, 〒1508360, JP)
ROBERT BOSCH GMBH (Stuttgart, Postfach 30 02 20, 70442, DE)
International Classes:
F23Q7/00; H05B3/48
Attorney, Agent or Firm:
OHBA Reiji et al. (Bosch Corporation Technical Center Intellectual Property Department, 13-26 Yakyu-cho 3-chome,Higashimatsuyama-sh, Saitama 03, 〒3558603, JP)
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