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Title:
PRE-CHAMBER SPARK PLUG AND ELECTRODES THEREFOR
Document Type and Number:
WIPO Patent Application WO/2011/031991
Kind Code:
A3
Abstract:
An electrode for a spark plug includes a contact portion. In a particular embodiment, the electrode further includes an annular base and a support portion formed from a different material than the contact portion. The contact portion may be aligned axially with a central axis of the annular base. Further, the contact portion is configured to shield the annular base and the support portion from a second electrode inserted into the annular base.

Inventors:
TOZZI LUIGI P (US)
Application Number:
PCT/US2010/048459
Publication Date:
August 11, 2011
Filing Date:
September 10, 2010
Export Citation:
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Assignee:
WOODWARD INC (US)
TOZZI LUIGI P (US)
International Classes:
H01T13/54; H01T13/32
Foreign References:
EP1976081A22008-10-01
US20020094743A12002-07-18
US20070290593A12007-12-20
US20060022565A12006-02-02
Attorney, Agent or Firm:
MAKEEVER, Jeffery J. (2215 Perrygreen WayRockford, Illinois, US)
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