Title:
CERAMIC GLOW PLUG HAVING REDUCED HEATER INTERVAL
Document Type and Number:
Japanese Patent JP2009121807
Kind Code:
A
Abstract:
To form a ceramic material covering a heating element with increased thickness, and to extend the service life of a glow plug.
The glow plug includes a glow pin having a tip engaged in a combustion chamber of an internal combustion engine including an ignitible air-fuel mixture particularly for starting an autoignition internal combustion engine. The glow pin (1) is related to the glow plug including an outer covering (11) completed from the ceramic material and equipped with the heating element (5). The heating element (5) surrounds a core (3) comprising a material having burnout strength of at least 20 kV/mm.
Inventors:
SCHMITTINGER SIMON
LIEMERSDORF SUSANNE
LIEMERSDORF SUSANNE
Application Number:
JP2008289725A
Publication Date:
June 04, 2009
Filing Date:
November 12, 2008
Export Citation:
Assignee:
BOSCH GMBH ROBERT
International Classes:
F23Q7/00
Domestic Patent References:
| JPH0286086A | 1990-03-27 | |||
| JP2005019246A | 2005-01-20 | |||
| JP2006049279A | 2006-02-16 | |||
| JP2009522532A | 2009-06-11 | |||
| JPH1025162A | 1998-01-27 | |||
| JPH0558744A | 1993-03-09 | |||
| JP2998999B2 | 2000-01-17 |
Foreign References:
| WO2007079298A2 | 2007-07-12 | |||
| WO2005060311A1 | 2005-06-30 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel
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