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公开(公告)号：US20190021138A1
公开(公告)日：2019-01-17
申请号：US16128344
申请日：2018-09-11
申请人： nVent Services GmbH
发明人： Paul Becker , Fuhua Ling , Ningli Liu , Lawrence Joseph White , Louis Peter Martin, II , Scott Murray Finlayson , James Francis Beres , Marcus Kleinehanding
摘要： A mineral insulated heating cable for a heat tracing system. The heating cable includes a sheath having at least a first, and optionally a second layer, wherein the thermal conductivity of the second layer is greater than a thermal conductivity of the first layer. In addition, the first and second layers are in intimate thermal contact. The heating cable also includes at least one heating conductor for generating heat and a dielectric layer located within the sheath for electrically insulating the heating conductor, wherein the sheath, heating conductor and dielectric layer form a heating section. In addition, the heating cable includes a conduit for receiving the heating section. Further, the heating cable includes a cold lead section and a hot-cold joint for connecting the heating and cold lead sections. In addition, a high emissivity coating may be formed on the first layer.
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公开(公告)号：US11224099B2
公开(公告)日：2022-01-11
申请号：US16128344
申请日：2018-09-11
申请人： nVent Services GmbH
发明人： Paul Becker , Fuhua Ling , Ningli Liu , Lawrence Joseph White , Louis Peter Martin, II , Scott Murray Finlayson , James Francis Beres , Marcus Kleinehanding
摘要： A mineral insulated heating cable for a heat tracing system. The heating cable includes a sheath having at least a first, and optionally a second layer, wherein the thermal conductivity of the second layer is greater than a thermal conductivity of the first layer. In addition, the first and second layers are in intimate thermal contact. The heating cable also includes at least one heating conductor for generating heat and a dielectric layer located within the sheath for electrically insulating the heating conductor, wherein the sheath, heating conductor and dielectric layer form a heating section. In addition, the heating cable includes a conduit for receiving the heating section. Further, the heating cable includes a cold lead section and a hot-cold joint for connecting the heating and cold lead sections. In addition, a high emissivity coating may be formed on the first layer.
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