Platinum-coated igniters

Details Platinum-coated igniters Platinum-coated igniters

1976-07-08

1978-03-28

Sebastian, Leland A.

Electric lamp and discharge devices

Spark plugs

Particular electrode structure or spacing

75170, 123169EL, 148 32, H01T 1320

Patent

active

040817105

ABSTRACT:
This specification describes an igniter, particularly for gas turbine engines, and comprising two or more electrodes separated by a body of insulating or semi-conducting material and having exposed working surfaces between which sparks may pass, at least part of the working surface or surfaces of at least one of the electrodes comprising a host material in which Co or Ni predominates alloyed or compounded with one or more additional metals selected from the group consisting of Ru, Rh, Pd, Ir, Pt, Ag and Au. Preferably, the additional metal is platinum which is present in an amount of 1 to 20 wt.% of the total metal content.

REFERENCES:
patent: 3753795 (1973-08-01), Weber
patent: 3898081 (1975-08-01), Kukhar

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