discharge lamp
The discharge lamp's innovative flow rectifier, with differential thickness and/or thermal expansion materials, addresses tilting-induced deformation, preventing cracks and maintaining stability.
JP7765307B2Active Publication Date: 2025-11-06ORC MFG
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Patent Information
- Application Number
- JP2022026761
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2022-02-24
- Publication Date
- 2025-11-06
- Estimated Expiration
- 2042-02-24
AI Technical Summary
Technical Problem
The flow of molten heat transfer material in discharge lamps can cause the flow rectifier to tilt, leading to temperature differences and deformation, which may result in cracks and damage due to varying thermal expansion along the electrode axis.
Method used
A discharge lamp design featuring a plate-like flow rectifier composed of multiple components, with one side thicker than the other and/or made of materials with different thermal expansion coefficients, to regulate heat transfer and minimize thermal expansion differences, thereby preventing warping and cracks.
Benefits of technology
The design effectively suppresses the occurrence of cracks in the flow rectifier, ensuring its functionality and maintaining lamp temperature stability throughout its life.
✦ Generated by Eureka AI based on patent content.
Abstract
To suppress the occurrence of cracks in a flow regulator arranged in a closed space that encloses a heat transfer body in an electrode of a discharge lamp.SOLUTION: A closed space 50 is formed in an anode 30 of a discharge lamp 10, and a heat transfer body M that melts when a lamp is lit is enclosed therein. Further, a flow regulator 40 in which first and second plate-like members 40A and 40B are stacked is arranged in the closed space 50. The thicknesses T1 and T2 of the first and second plate-like members 40A and 40B are different, and the first plate-like member 40A is made thicker than the second plate-like member 40B.SELECTED DRAWING: Figure 2
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