| 摘要 |
<p>The invention relates to a pre-heating and post-heating glow plug comprising: a conductive metal sleeve (130) fixed around the rear of the heating cartridge (110), a metal fitting (150) provided with a thread (151) and a tool grip (152) on the outside thereof, a tubular body (140) made of a plastic material arranged over the central electrode (120), forming a tapered cylinder shape (142) with the insertion of sliding cups (170), and projecting beyond the rear of the fitting. A connector (160) is engaged over the central electrode (120) and welded in order to secure same.</p> |
