Invention Grant
US09048635B2 Spark plug with laser keyhole weld attaching ground electrode to shell
有权
火花塞带激光锁眼焊接，将接地电极连接到外壳
- Patent Title: Spark plug with laser keyhole weld attaching ground electrode to shell
- Patent Title (中): 火花塞带激光锁眼焊接，将接地电极连接到外壳
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Application No.: US14204281Application Date: 2014-03-11
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Publication No.: US09048635B2Publication Date: 2015-06-02
- Inventor: Frederick J. Quitmeyer
- Applicant: FEDERAL-MOGUL IGNITION COMPANY
- Applicant Address: US MI Southfield
- Assignee: Federal-Mogul Ignition Company
- Current Assignee: Federal-Mogul Ignition Company
- Current Assignee Address: US MI Southfield
- Agency: Reising Ethington P.C.
- Main IPC: H01T13/20
- IPC: H01T13/20 ; H01T13/32 ; H01T21/02
Abstract:
A spark plug has a metal shell, an insulator, a center electrode, and a ground electrode. One or more firing tips can be attached to the center electrode, to the ground electrode, or to both electrodes. The metal shell and ground electrode are attached together by way of one or more laser keyhole welds at an interface of the shell and electrode. Before the laser keyhole welds, resistance welding can be executed for a temporary attachment.
Public/Granted literature
- US20140265814A1 SPARK PLUG WITH LASER KEYHOLE WELD ATTACHING GROUND ELECTRODE TO SHELL Public/Granted day:2014-09-18
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