发明申请
US20110175526A1 DISCHARGE VESSEL AND HIGH INTENSITY DISCHARGE LAMP HAVING SUCH DISCHARGE VESSEL 失效
排放船舶和具有这种排放船的高强度排放灯

DISCHARGE VESSEL AND HIGH INTENSITY DISCHARGE LAMP HAVING SUCH DISCHARGE VESSEL
摘要:
A discharge vessel for high intensity discharge lamps is disclosed. The discharge vessel comprises an elongated arc chamber having a longitudinal axis of rotational symmetry. It has a translucent wall made of fused silica glass, or alternatively ceramic material. A pair of electrodes is located at opposite ends of the arc chamber for providing discharge arc. The wall of the arc chamber has at least one inwardly protruding circumferential narrowed portion thereby the arc chamber is divided into convection cells.
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