发明名称 Compact air filter for mines - has axial and/or radial ventilator integrated into it and driven by electric motor
摘要 <p>The system is for use esp. in cramped conditions in underground mines, for purifying gases. The filter incorporates an integrated axial and/or radial ventilator. The filter housing may be superimposed on the ventilator vane and is pref. fitted with noise insulation (7) in the vicinity of this. The ventilator components include an electric motor (9) which may be superimposed on the ejection end (8) of the filter, with a protective effect. The whole system is very compact.</p>
申请公布号 DE2846634(A1) 申请公布日期 1980.05.08
申请号 DE19782846634 申请日期 1978.10.26
申请人 HOELTER,HEINZ 发明人 HOELTER,HEINZ,ING.;GRESCH,HEINZ,ING.;IGELBUESCHER,HEINRICH,ING.
分类号 E21F5/20;(IPC1-7):E21F5/20 主分类号 E21F5/20
代理机构 代理人
主权项
地址