| 摘要 |
<p>The housing has a connecting flange (27) that is formed at an outer circumference of an air guiding ring (4). The air guiding ring is connected with a retaining body (3) using ribs (5) for retaining an electric motor. Inner ends of the ribs are connected with each other using a bushing, which is fastened to a cladding surface of the retaining body. The retaining body has a cup shape, and the air guiding ring has a funnel shape.</p> |
