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公开(公告)号:US3960063A
公开(公告)日:1976-06-01
申请号:US489461
申请日:1974-07-18
申请人: Franz Siemes , ; Andreas Kraus , Joachim Buhl
发明人: Franz Siemes , ; Andreas Kraus , Joachim Buhl
摘要: A roof fan having an air-quieting casing or sound reducing device on the suction side. A blower is mounted inside a housing and the impeller shaft extends vertically. The blower and the surrounding housing are pivotally arranged on the casing so that not only the blower is rendered accessible but also the sound reducing devices and the suction channel.
摘要翻译: 一个屋顶风扇,其在吸力侧具有空气调节壳体或减声装置。 鼓风机安装在壳体内,叶轮轴垂直延伸。 鼓风机和周围的壳体枢转地布置在壳体上,使得不仅鼓风机可接近,而且还有减声装置和抽吸通道。