Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROLLER OF GLOW PLUG AND GLOW PLUG
Document Type and Number:
WIPO Patent Application WO/2003/095828
Kind Code:
A1
Abstract:
A controller of a glow plug in which a resistance control system is employed in the conduction control of a resistive heater, a good follow-up performance of resistance control is sustained even if a heater is cooled by fuel spray or by combustion gas, and the heating value can be controlled stably. In the controller of a glow plug, the glow plug comprises a resistive heater having the ratio R1000/R20 of the electric resistance R1000 at 1000&ring C to the electric resistance R20 at 20&ring C of not lower than 6. Conduction control of the resistive heater is performed in steady control mode for regulating the conduction power of the resistive heater such that the resistance thereof is sustained within a set range under a state where the resistive heater is located to project at least partially into the combustion chamber of an engine.

Inventors:
GOTOH SHUNSUKE (JP)
KUMADA CHIAKI (JP)
KIMATA HIROYUKI (JP)
MURAMATSU SEIGO (JP)
SAKURAI TAKAYUKI (JP)
Application Number:
PCT/JP2003/005923
Publication Date:
November 20, 2003
Filing Date:
May 13, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NGK SPARK PLUG CO (JP)
GOTOH SHUNSUKE (JP)
KUMADA CHIAKI (JP)
KIMATA HIROYUKI (JP)
MURAMATSU SEIGO (JP)
SAKURAI TAKAYUKI (JP)
International Classes:
F02P19/02; F23Q7/00; (IPC1-7): F02P19/02; F23Q7/00
Foreign References:
JP2000130752A2000-05-12
EP0950858A21999-10-20
JPH07119967A1995-05-12
JP2000249034A2000-09-12
JPH02245479A1990-10-01
JPS5960125A1984-04-06
Other References:
See also references of EP 1505298A4
Attorney, Agent or Firm:
Shiga, Fujiya c/o Shiga, Patent Office (Ekisaikai Bldg. 1-29, Akashi-ch, Chuo-ku Tokyo, JP)
Download PDF: