High intensity discharge lamps, arc tubes and methods of manufacture

A lamp and arc light technology, applied in the field of high-intensity discharge lamps, can solve problems such as complex methods and difficult automation

Inactive Publication Date: 2009-10-14
ADVANCED LIGHTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods are complex and difficult to automate

Method used

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  • High intensity discharge lamps, arc tubes and methods of manufacture
  • High intensity discharge lamps, arc tubes and methods of manufacture
  • High intensity discharge lamps, arc tubes and methods of manufacture

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Embodiment Construction

[0045] The present invention generally provides arc tubes for use in HID lamps of all types and sizes and methods of making such lamps. By way of example only, certain aspects of the present invention are described below with respect to arc tubes made of tipless quartz for double-ended metal halide lamps.

[0046] Figure 1 shows a prior art arc lamp body made of quartz tube. The arc tube body 10 includes a spherical glow chamber 12 intermediate open tubular ends 14,16. Arc lamp body 10 may be formed by any suitable conventional method.

[0047] The shaped body arc tubes may be described in co-pending patent application Ser. No. 09 / 597547, entitled "Horizontal Burning HID Lamps And Arc Tubes," filed June 19, 2000 by Lamouri et al. and assigned to the assignee of the present invention. Manufactured in the manner described. Figure 2a shows such a method of making an arc lamp tube from a quartz tube (Figure 2a) by mounting the tube on a lathe and heating the tube (Figure 2b), u...

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Abstract

This relates to a tipless arc lamp tube (12) for a high intensity discharge lamp and a method for its manufacture, wherein by relying on the different densities of the gas to isolate the sealing gas, the arc lamp tube (12) is used in the lifting and filling step and by the A pinch seal at the lead assembly (32) may remain in communication with the uncontrolled gas during subsequent steps of hermetically sealing the lamp tube. Additionally, the final pressure of the fill gas sealed within the arc lamp tube (12) can be controlled by controlling the temperature of the fill gas during sealing, thus avoiding the need for a pump to control the fill gas pressure.

Description

technical field [0001] The present invention generally relates to high intensity discharge ("HID") lamps, arc lamps, and methods of making the same. Background technique [0002] HID lamps such as metal halide and mercury lamps have been widely used in lighting large outdoor and indoor areas such as sports fields, gymnasiums, and warehouses due to their relatively high efficiency, small size, and low maintenance compared to other types of lamps. , parking lot, etc. Metal halide lamps are generally preferred because of their higher efficiency in producing white light. [0003] HID lamps consist of an arc lamp tube supported within an outer lamp housing. An arc lamp tube includes a generally tubular body of light transmissive material, such as quartz or ceramic material, forming a hermetically sealed luminescent chamber containing a lamp fill material and an inert fill gas. Generally, HID lamps have several types of arc tube bodies. An arc tube body is a "cylindrical" body...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J9/26H01J9/32H01J9/395H01J61/30
CPCH01J9/395H01J9/326H01J61/02H01J61/073
Inventor 阿巴斯·拉穆里尤里斯·舒尔茨斯顾永卫
Owner ADVANCED LIGHTING TECH
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