公开(公告)号：US20130076224A1

公开(公告)日：2013-03-28

申请号：US13624316

申请日：2012-09-21

Applicant: FEDERAL-MOGUL IGNITION COMPANY

Inventor： Richard L. Keller ,  Kevin J. Kowalski

IPC: H01T13/20 ,  H01T21/02

CPC classification number: H01T13/32 ,  H01T13/39 ,  H01T21/02

Abstract: A spark plug includes a metallic shell, an insulator, a center electrode body, a ground electrode body, and a ground electrode tip. In one embodiment, the ground electrode tip includes a non-precious metal piece and a precious metal piece attached to each other. The non-precious metal piece has a side surface attached to a free end surface of the ground electrode body.

Abstract translation: 火花塞包括金属壳，绝缘体，中心电极体，接地电极体和接地电极端。 在一个实施例中，接地电极尖端包括彼此附接的非贵重金属片和贵金属片。 非贵重金属件具有附接到接地电极体的自由端面的侧表面。