échangeur de chaleur,申请号FR19670093348-传众专利搜索

échangeur de chaleur

申请公布号：FR1509810(A)

申请号：FR19670093348

申请日期：1967.02.01

申请公布日期：1968.01.12

申请人：

E. I. DU PONT DE NEMOURS AND CO.

分类号：F28B1/06;F28D5/00;F28D5/02;F28F1/36;F28F9/013;F28F25/12

主分类号：F28B1/06

摘要：1,176,535. Axial-flow fans. E.I. DUPONT DE NEMOURS & CO. Feb.2, 1967 [Feb. 3, 1966], No. 5135/67. Heading F1C. [Also in Division F4] In an air-cooled heat exchanger, a fan 15 is protected from heat exposure by air passing over the drive motor 27 and gear-box 28 of the fan, the air being induced through thermally-insulated ducts 26 and a draft tube 29 by the action of the fan 15.

一种可应用于不同灯具上的安装壳体及其应用的灯具