Blower or pump with capillary filter for replenishment of oil se

Details Blower or pump with capillary filter for replenishment of oil se Blower or pump with capillary filter for replenishment of oil se

1990-12-20

1992-05-19

Look, Edward K.

Pumps

Motor driven

Electric or magnetic motor

4174242, 4151212, 4151691, 184 623, 55269, 55466, 210168, 2104165, F04B 1700

Patent

active

051143208

ABSTRACT:
A housing 3 disposed below the rotor accommodates a driving motor 13, shaft bearings 14, 15 and an oil sump 21. An evacuating line 31 which traverses the wall the housing 3 connects a vacuum pump to the interior 18 of the housing. In order to avoid the loss of oil in the housing or the bearings, the evacuating line 31 and the oil sump 21 are directly connected.

REFERENCES:
patent: 4674952 (1987-06-01), Osterstrom
patent: 4729724 (1988-03-01), Henning et al.
patent: 4764086 (1988-08-01), Jesinger
patent: 4963076 (1990-10-01), Fleischmann et al.

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