Multiple anode arc lamp system
阅读：956发布：2021-11-18
专利汇可以提供Multiple anode arc lamp system专利检索，专利查询，专利分析的服务。并且A high-intensity xenon arc lamp having a plurality of separate anodes axially disposed in a symmetrical pattern spaced a discharge gap from a common cathode.，下面是Multiple anode arc lamp system专利的具体信息内容。
1. A system for operating a high-intensity, arc dischaRge lamp comprising in combination: a plurality of anode electrodes disposed axially and symmetrically with respect to a common axis, each anode electrode terminating in a tip disposed in a plane normal to the axis; a single cathode disposed on said axis and having a tip spaced from said plane and spaced an equal discharge gap distance from each of said anode tips; a sealed envelope surrounding said electrodes containing a discharge gas consisting essentially of at least one gas selected from the group consisting of neon, argon, xenon and krypton at a pressure greater than atmospheric at room temperature, at least a portion of the envelope being transparent to emitted radiation; and polyphase power input means connected to said cathode and to each of said anodes for sequentially firing said anodes and for developing across said gap an arc discharge having a stationary, small, maximum brightness fireball disposed just above the apex of the cathode tip a neutral gas jet stream flowing axially from said fireball into the volume between the anode tips and an ion stream between said stationary fireball and sequentially rotating across the tip of the anode having the momentary maximum positive potential.
2. A system according to claim 1 in which the tip of each anode is canted toward said cathode.
3. A system according to claim 1, in which said anodes are provided in multiples of three and said polyphase input means contains three phases.
4. A system according to claim 1 in which the gas is xenon and the pressure of the discharge gas within the envelope at ambient temperature is from 30 p.s.i.g. to 100 p.s.i.g.
5. A system according to claim 1 wherein 2n anodes are provided, said polyphase input has n phases and each opposed pair of anodes in a line in said plane through said axis is connected to a single phase of said polyphase input.
6. A system according to claim 1 wherein said polyphase input comprises a three-phase alternating current line supply and each connection to said anode from said supply contains a current-limiting device and a rectifying element in series with said anode.
7. A system according to claim 6 in which said rectifying element is a diode.
8. A system according to claim 6 in which said current-limiting device is a resistor.
9. A system according to claim 6 in which said current-limiting device is a transformer.
10. A system according to claim 1 in which said electrodes contain hollow passageways for receiving a flow of coolant.
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