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专利名称：Apparatus for transporting a gaseous
medium
发明人：HOPFENSPERGER, REINHOLD,TUNGL,
RUDOLF
申请号：EP93119925.1申请日：19931210公开号：EP0602558A1公开日：19940622
专利附图：
摘要：In an apparatus for transporting a gaseous medium with a radial-flow blower(1), the flow channel (8) is widened in the region (14) of the outlet openings (15) of the
impeller (2), designed as a paddle wheel, both in the axial direction and in the radialdirection from the outlet openings (15) in the direction of the axis of rotation (16) of theimpeller (2). This widening (18) has the effect of returning part of the expelled medium tothe impeller (2). An increase in the energy potential of the transported medium occurs.At the same time, noise reduction is achieved and the occurrence of periodic pressurefluctuations is avoided.
申请人：ALCATEL SEL AKTIENGESELLSCHAFT
地址：Lorenzstrasse 10 D-70435 Stuttgart DE
国籍：DE
代理机构：Pohl, Herbert, Dipl.-Ing
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