专利名称：Seal cartridge for a vacuum pumps发明人：Kaye G. Kolb, JR.,Brian L. Fisher申请号：US12074564申请日：20080305
公开号：US20090108540A1公开日：20090430
专利附图：
摘要：An exemplary embodiment providing one or more improvements includes ashaft seal cartridge for the motor shaft of a vacuum pump which combines three shaftseals in one unit. The cartridge greatly simplifies the replacement of seals and eliminatesthe requirement for expensive seal lubrication oil, and extends the life of the shaft seals.
Embodiments of the cartridge are manufactured from fiberglass/molybdenum filledpolytetrafluoroethylene.
申请人：Kaye G. Kolb, JR.,Brian L. Fisher
地址：Owings Mills MD US,Finksburg MD US
国籍：US,US
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