| 摘要 |
In a vacuum pump, of the type being a single stage operative pump, a stator housing is provided and having rotatively mounted therein an eccentrically disposed rotor, which rotor is revolved by means of a motor, with the eccentric mounting of the rotor providing a point of contiguity between the rotor and the stator housing; a slot is provided approximate the location of the point of contiguity between the rotor and stator, and an oil reservoir supplies a quantity of oil to and through the slot to form a seal at this point of contiguity between the pump rotor and stator housing.
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