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专利名称：Temperature monitoring device and
thermocouple assembly therefor
发明人：Grimm, Noel Phillip,Mavretish, Robert
Steven,Bengel, Thomas Gerald,Nath,Raymond John,Bauer, Frank Irwin,Miller,Phillip Edward,Kothmann, RichardEdward,Salton, Robert Byron
申请号：EP90304537.5申请日：19900426公开号：EP0404310B1公开日：19940629
摘要：Temperature monitoring apparatus for measuring the temperature at a surfaceof a body, composed of: a hollow guide member (24,26) secured to a support member(28); a hollow guide tube (22) having a first end disposed at the guide member (24,26), theinterior of the guide tube (22) being in communication with the interior of the guidemember (24,26) and the guide tube (22) being movable relative to the guide member(24,26); a thermocouple assembly (10,16) extending through, and movable relative to, theguide tube (22) and the guide member (24,26) and having an end provided with a tip forengaging the body surface (18); a first biasing element (38) connected between thethermocouple assembly (10,16) and the guide tube (22) for permitting relative movementbetween the thermocouple assembly (10,16) and the guide member (24,26); and a secondbiasing element (40) connected between the guide tube (22) and the guide member(24,26) for resiliently urging the first end of the guide tube (22) toward the body surface
(18) while permitting relative movement between the first end of the guide tube (22) andthe guide member (24,26), the biasing elements acting to resiliently urge thethermocouple assembly (10,16) tip toward the body surface (18). A thermocoupleassembly (10,16) including: a cylindrical metal sheath (10) having an exterior surface and aclosed end (14) defining a thermocouple tip, and enclosing a thermocouple junction (6)located adjacent the tip; a convection shield (16) having the form of a hollow cylinderdisposed around the sheath (10) in the vicinity of the tip; and a coating (17) of a materialhaving a low thermal emissivity on the exterior surface of the shield (16).
申请人：WESTINGHOUSE ELECTRIC CORP
地址：US
国籍：US
代理机构：van Berlyn, Ronald Gilbert
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