发明名称 CENTRIFUGAL FAN
摘要 FIELD: designing of general-purpose centrifugal fans. SUBSTANCE: drum-type fan provides optimum design parameters calculated by firm and specified in field change of prototype specimens. The selected shape of interblade channels provides for reduction of hydraulic loss in the process of mass transfer between air flow and blades that are made by effective technology. EFFECT: enhanced efficiency. 3 dwg
申请公布号 RU2124652(C1) 申请公布日期 1999.01.10
申请号 RU19980102706 申请日期 1998.02.06
申请人 OTKRYTOE AKTSIONERNOE OBSHCHESTVO MOSKOVSKIJ VENTI;LJATORNYJ Z 发明人 SHVETSOV S.E.
分类号 F04D17/08;F04D29/28;(IPC1-7):F04D17/08 主分类号 F04D17/08
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