发明名称 Pumps with Improved Drive Shaft/Casing Seals
摘要 A pump includes a drive shaft linked to a motor. The drive shaft passes through a seal assembly before passing into the pump chamber. The seal includes an outer seal housing that accommodates a lip seal. A portion of the drive shaft that passes through the seal assembly is coated with PTFE to prolong the working life of the seal assembly.
申请公布号 US2013302137(A1) 申请公布日期 2013.11.14
申请号 US201313769960 申请日期 2013.02.19
申请人 VIKING PUMP, INC. 发明人 MEESSMANN JEFF;STREI MIKE;COMISKEY BRIAN D.
分类号 F04D29/043 主分类号 F04D29/043
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