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公开(公告)号:US5145335A
公开(公告)日:1992-09-08
申请号:US704524
申请日:1991-05-24
IPC分类号: F04C18/344 , F04B39/06 , F04C23/00 , F04C25/02 , F04C29/06
CPC分类号: F04C29/066 , F04B39/066 , F04C23/008
摘要: A vacuum pump includes a first pump housing defining a pumping chamber; a pump rotor received in the pumping chamber; a drive motor operatively connected to the pump rotor; an oil casing receiving the first pump housing; and a second pump housing surrounding the first pump housing and the drive motor.
摘要翻译: 真空泵包括限定泵送室的第一泵壳体; 泵送转子容纳在泵送室中; 可操作地连接到所述泵转子的驱动马达; 接收第一泵壳体的油壳; 以及围绕所述第一泵壳体和所述驱动马达的第二泵壳体。