Title:
SELF-CLEANING OPTICAL SENSOR
Document Type and Number:
Japanese Patent JP2012150119
Kind Code:
A
Abstract:
To provide an optical sensor which can be kept clean.
An optical sensor 1 for detecting light emission in combustion processes in a combustion chamber 7 has at least one lens 2 disposed on the tip of the optical sensor and facing the combustion chamber 7. A heating device 4 wound around the lens 2 heats the tip of the optical sensor to a temperature at which any soot on the lens 2 from the combustion chamber 7 is burned away to keep the optical sensor 1 clean.
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Inventors:
DIETER KARST
Application Number:
JP2012041062A
Publication Date:
August 09, 2012
Filing Date:
February 28, 2012
Export Citation:
Assignee:
KISTLER HOLDING AG
International Classes:
G01J1/02; F02D45/00; F23M11/04; G01J1/04; G01M15/10
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Toru Mori
Katsunori Shirae
Hajime Asamura
Toru Mori
Katsunori Shirae