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Spark plug for internal combustion engine, has housing with borehole for accommodating fiber-optic light guide that opens out into combustion chamber, where axis of borehole runs inclined to axis of other borehole in housing
2007 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

The spark plug has a longitudinal borehole (3) formed in a housing (2) for holding an insulator. The housing has a borehole (10) for holding a pressure measuring device. Another borehole (21) is provided in the housing for accommodating a fiber-optic light guide that opens out into a combustion chamber. An axis (21') of the borehole (21) runs inclined to an axis (10') of the borehole (10), where the longitudinal borehole is arranged parallel to a spark plug axis, and the axis of the borehole is provided at a distance from the spark plug axis (1').

Place, publisher, year, edition, pages
National Category
Mechanical Engineering
URN: urn:nbn:se:kth:diva-51761OAI: diva2:464943
AT 503067 (2008-08-15)

US 7928641 (2011-04-19); EP 1967834-B1 (2012-05-30)

Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2013-08-06Bibliographically approved

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Winklhofer, Ernst
Mechanical Engineering

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