发明名称 CENTRIFUGAL FAN ASSEMBLY
摘要 A centrifugal fan assembly including a housing having side plates with flanges formed thereon, the flanges providing recesses for insertion therein of the housing wrapper, the wrapper being secured in the flange recesses by deformation of portions of the flanges into the plane of the wrapper.
申请公布号 US3743439(A) 申请公布日期 1973.07.03
申请号 USD3743439 申请日期 1971.04.30
申请人 CARRIER CORP,US 发明人 CANN P,US
分类号 F04D29/42;(IPC1-7):F04D29/40 主分类号 F04D29/42
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