Title:
SPARK-PLUG ELECTRODES AND SPARK PLUG
Document Type and Number:
WIPO Patent Application WO/2019/124201
Kind Code:
A1
Abstract:
Spark-plug electrodes (13, 14) according to the present invention are respectively provided with, at discharge parts (13a, 14a) thereof, electrode members (15, 16) that are formed by adding, to an Ir-Rh alloy, Ta and/or Nb in a total amount of 0.3-7.5 wt%.
Inventors:
AKIYOSHI RYOHEI (JP)
HANASHI KEN (JP)
SHIBATA MASAMICHI (JP)
HANASHI KEN (JP)
SHIBATA MASAMICHI (JP)
Application Number:
PCT/JP2018/045821
Publication Date:
June 27, 2019
Filing Date:
December 13, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H01T13/39; C22C5/04
Domestic Patent References:
| WO2018021028A1 | 2018-02-01 |
Foreign References:
| JP2009531813A | 2009-09-03 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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