MOLECULAR PUMP STAGE Russian patent published in 1994 - IPC

Abstract RU 2016256 C1

FIELD: pumps. SUBSTANCE: rotor is mounted in the section of a sealed cylindrical casing. Curvilinear slots uniformly positioned through the surface relative to the longitudinal axis of the stage are made on the surface of stop disks. EFFECT: improved structure. 3 dwg

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RU 2 016 256 C1

Authors

Demikhov R.K.

Demikhova O.A.

Dates

1994-07-15—Published

1991-06-28—Filed