Heat transfer duct专利检索-慢波结构电子零件及设备专利检索查询-专利查询网

Heat transfer duct

阅读：466发布：2022-11-16

专利汇可以提供Heat transfer duct专利检索，专利查询，专利分析的服务。并且A heat transfer duct, such as a cooling duct, for use in cooling the slow wave circuit of a microwave tube includes a heat transfer structure disposed within the duct for improving the thermal transfer between the fluid and the inside walls of the duct. The heat exchanging structure comprises a strand of thermally conductive material wound into a first coil of relatively small diameter. That coil in turn is wound into a larger coil which in turn is wound into still a larger coil to form a coiled-coiled-coil geometry within the duct.，下面是Heat transfer duct专利的具体信息内容。

权利要求

1. In a heat transfer duct: a duct for passage of a fluid therethrough in heat exchanging relation with said duct for transfer of heat therebetween; a thermally conductive heat exchanging structure disposed in said duct in heat exchanging relation with the fluid to be passed through said duct and with the walls of said duct for increasing the heat transfer between the walls of said duct and the fluid; said heat exchanging structure comprising, a strand of thermally conductive material wound into at least a coiledcoiled-coil configurAtion, the space between adjacent turns of said coil being substantially unfilled and said coiled-coil strand extending longitudinally of said duct.

2. The apparatus of claim 1 wherein said coiled-coil strand abutts the inside wall of said duct at the outer periphery of said coiled-coil strand to provide a thermally conductive joint between the outer periphery of said coiled-coil strand and the wall of said duct.

3. The apparatus of claim 2 wherein said coiled-coil strand is bonded to the inside wall of said duct.

4. The apparatus of claim 1 wherein said coiled-coiled-coil strand is bonded to the inside wall of said duct.

5. The apparatus of claim 2 including, means for passing a cooling fluid through said duct for removing heat from said duct and from said heat exchanging structure.

6. In a microwave tube: an evacuated envelope; anode and cathode electrode means for producing a stream of electrons within said envelope; electromagnetic wave energy supportive structure within said envelope in electromagnetic wave energy exchanging relation with said beam of electrons; said wave supportive structure including, a coolant duct for passage of a fluid coolant therethrough in heat exchanging relation with said duct for transfer of heat from said duct to said fluid, a thermally conductive heat exchanging structure disposed in said duct in heat exchanging relation with the fluid to be passed through said duct and with the walls of said duct for increasing the heat transfer between the walls of said duct and the fluid, said heat exchanging structure comprising a strand of thermally conductive material wound into at least a coiled-coiled-coil configuration, the space between adjacent turns of said coil being substantially unfilled and said coiled-coil strand extending longitudinally of said duct.

7. The apparatus of claim 6 wherein said coiled-coil strand abutts the inside wall of said duct at the outer periphery of said coiled-coil strand to provide a thermally conductive joint between the outer periphery of said coiled-coil strand and the inside wall of said duct.

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Heat transfer duct

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