MOLECULAR VACUUM PIMP Russian patent published in 1994 - IPC

Abstract RU 2016255 C1

FIELD: pumps. SUBSTANCE: when compressed air is fed a rotor floats up. The pump is energized, the gas is evacuated from the sucked volume into an annular groove. The pressure below atmospheric is produced on a molecular-viscous stage due to a viscous stage, that is, the evacuated gas freely passes through channels of molecular stage 6. EFFECT: improved structure. 6 cl, 1 dwg

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RU 2 016 255 C1

Authors

Sergeev V.P.

Sholokhov V.B.

Vikhrev V.I.

Novikov N.M.

Dates

1994-07-15—Published

1990-08-23—Filed