Seals and igniters

Details Seals and igniters Seals and igniters

1996-10-11

1998-11-17

Chilcot, Richard

Electric lamp and discharge devices

Spark plugs

Particular electrode structure or spacing

313 115, H01T 1302

Patent

active

058380949

ABSTRACT:
An igniter has an inner electrode extending with a forward and rear ceramic sleeve. The rear end of the forward sleeve projects as a sliding fit within the forward end of the rear sleeve. A nickel alloy flange with a flexible shoulder has an inner neck brazed to a nickel layer on the outside of the rear sleeve. An outer collar on the flange is welded to the inside of the outer electrode to form a seal between the outside of the sleeve and the inside of the outer electrode. A metal cap is brazed to a nickel layer at the rear end of the rear sleeve and is welded to the inner electrode to seal the rear end of the rear sleeve.

REFERENCES:
patent: 3745400 (1973-07-01), Meyer

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