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公开(公告)号:US4912301A
公开(公告)日:1990-03-27
申请号:US258809
申请日:1988-10-17
IPC分类号: C01G21/02 , C01G21/06 , C01G21/10 , F27B9/02 , F27B9/04 , F27B9/06 , F27B9/14 , F27B9/24 , F27B9/38 , F27D19/00
CPC分类号: F27B9/38 , C01G21/02 , C01G21/06 , C01G21/10 , F27B9/029 , F27B9/145 , F27B9/24 , F27B2009/2484 , F27B9/045 , F27B9/063 , F27D2019/0068 , F27M2001/16
摘要: A furnace for producing oxides of lead includes an enclosure defining a furnace chamber, a feed inlet for feeding particulate lead into the chamber, and a discharge outlet for discharging the particulate lead outside the chamber. An array of horizontally disposed serially communicating tubes are arranged vertically within the chamber, communicating between the feed inlet and the discharge outlet. A rotating valve is associated with the feed inlet, for continuously feeding particulate lead into the number of tubes. Variable drive chain and sprocket combinations are associated with each of the tubes to convey the particulate lead serially along the tubes. The furnace includes electric heat tapes surrounding the tubes, for heating the particulate lead within the tubes while the lead is being conveyed along the tubes. The furnace can be used to produce red lead from leady-oxide or litharge by first supplying air or pure oxygen into the tubes. Leady-oxide is supplied at feed inlet and heated in the first tube to 1250.degree. F. to initiate the exothermic conversion of leady-oxide to litharge. Heat from the exothermic reaction occurring in the remaining tubes of the array is used to pre-heat the first tube. Litharge formed from the exothermic reaction is exposed to a lower temperature of 850.degree. in the lowermost tubes of the array for formation of red lead. The travel rate of the litharge determines the percentage of red lead in the final product exiting the discharge outlet.
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公开(公告)号:US20050213305A1
公开(公告)日:2005-09-29
申请号:US10807183
申请日:2004-03-24
申请人: Michael Martin , Bryan Dubois , Kenneth Maurer
发明人: Michael Martin , Bryan Dubois , Kenneth Maurer
CPC分类号: H05K5/0091
摘要: Integrated internal power supply with a power inlet connector arranged to protrude through a housing of an end-use equipment, and having internal circuitry potted in a thermally conducting material. A vent path is provided so that a component such as a large capacity electrolytic capacitor can vent surplus fluid, e.g. electrolyte and/or gas. The power supply has a standardized ‘footprint’ and may be mounted directly onto a circuit board in the end-use equipment. The supply is preferably assembled by mounting a board holder on an internal circuit board, mounting a clip on the power inlet connector, mounting the internal circuit board in a case, plugging a vent hole in the internal circuit board, filling the case with potting compound, baking the power supply, preferably at 100° C. for 10 minutes, and then unplugging the vent hole.
摘要翻译: 具有电源入口连接器的集成内部电源,其布置成突出穿过终端设备的壳体,并且具有封装在导热材料中的内部电路。 提供通气路径,使得诸如大容量电解电容器的部件可以排出多余的流体,例如, 电解质和/或气体。 电源具有标准化的“占位面积”,可以直接安装在最终用途设备的电路板上。 电源优选通过将板保持器安装在内部电路板上,将夹子安装在电源插入连接器上,将内部电路板安装在壳体中,堵塞内部电路板中的通气孔,用灌封组合物填充壳体 ,烘烤电源,优选在100℃下10分钟,然后拔下通气孔。
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