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Discharge lamp

A technology for discharge lamps and high-pressure discharge lamps, applied to discharge lamps, gas discharge lamps, high-pressure discharge lamps, etc., can solve the problems of complex manufacturing, glass surface wear, high cost, etc., achieve favorable lever transmission ratio and force ratio, and simplify manufacturing Effect

Inactive Publication Date: 2008-09-24
PATENT TREUHAND GESELLSCHAFT FUR ELECTRIC GLUEHLAMPEN MBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Disadvantages of such discharge lamps are, on the one hand, that their manufacture is complicated and costly due to the need for compression springs and small support rollers, and make automation of the manufacture difficult
On the other hand, it is disadvantageous that, for example, during transport of discharge lamps, high forces occur between the small support rollers and the inner wall of the lamp vessel, which can lead to wear and damage of the glass surface and thus to the lamp in this area. Decreased stability in until the lamp breaks
Furthermore, it is disadvantageous that the cross-section of the exhaust path along the small backup rollers is relatively small, making the flushing and pumping processes of the bulb difficult

Method used

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Embodiment Construction

[0033] The invention is explained below on the basis of xenon high-pressure discharge lamps, which are used, for example, in headlights or in medical technology. However, as already mentioned at the outset, the discharge lamp according to the invention is by no means limited to this type of lamp.

[0034] figure 1 A schematic diagram of a xenon high-pressure discharge lamp 1 plugged at both ends using short-arc technology is shown. The xenon high-pressure discharge lamp 1 has a bulb 2 made of quartz glass with an inner chamber 4 and two oppositely arranged bulb barrels 6 , 8 , the open end sections 10 , 12 of which are each melted Part 14 is sealed and a base cover 16 is provided. Two diametrically opposed electrodes 18 , 20 protrude into the interior 4 , between which a gas discharge is formed during lamp operation. For this purpose, an ionizable filling consisting essentially of pure xenon gas is contained in the interior 4 of the bulb 2 . The electrodes 18, 20 are each ...

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Abstract

Disclosed is a discharge lamp, particularly a high-pressure xenon or mercury discharge lamp, comprising a bulb that is provided with two diametrically arranged bulb shafts, each of which supports one electrode with an electrode holding rod and an electrode head. The electrode holding rods are gas-tightly fixed in final sections of the bulb shafts by means of a sealing process. According to the invention, the bulb shafts encompass at least two knobs for supporting the electrodes, which are in contact with the electrode holding rods in at least some sections.

Description

technical field [0001] The invention relates to a discharge lamp according to the preamble of claim 1 and a method for producing such a discharge lamp according to the preamble of claim 14 . Background technique [0002] The discharge lamp according to the invention can in principle be used in many different lamp types. However, the main field of application of discharge lamps is in the manufacture of high-wattage xenon high-pressure discharge lamps and mercury high-pressure discharge lamps. [0003] Such a discharge lamp is known, for example, from DE 30 29 824 A1 of the applicant. In the case of plug-in high-pressure lamps, the electrodes arranged directly opposite one another are fixed gas-tight by fusion in the bulb vessel of the lamp vessel of the discharge lamp. Such an electrode is essentially formed by an electrode head, which is fastened to the electrode support, for example by means of a welded connection, or is formed in one piece with the electrode support. Si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J61/36
CPCH01J61/30H01J9/247H01J61/366H01J61/86H01J61/36
Inventor 安东·阿尔布雷希特
Owner PATENT TREUHAND GESELLSCHAFT FUR ELECTRIC GLUEHLAMPEN MBH