Stator assembly for a turbomolecular pump

Details Stator assembly for a turbomolecular pump Stator assembly for a turbomolecular pump

1991-02-15

1992-10-27

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

415 585, 415191, 4151995, 4152141, 415914, 403340, 403344, F01D 112

Patent

active

051584263

ABSTRACT:
In a stator assembly for a turbomolecular pump, each stator is assembled from two semicircular portions mutually aligned and secured in place by tongue and grooves means, each such stator including a plurality of radially directed blades connecting an inner circular edge and outer circular edge of the stator, such edges occupying respective parallel displaced planes. The outer edge of each stator includes regularly outward projected tabs which bear between spacer rings to maintain axial alignment.

REFERENCES:
patent: 416592 (1889-12-01), Gilbert
patent: 3004700 (1961-10-01), Warren
patent: 3741680 (1973-06-01), Killmann et al.
patent: 3826588 (1974-07-01), Frank
patent: 4309143 (1982-01-01), Klatt et al.
patent: 4832564 (1989-05-01), Holss et al.
patent: 5059092 (1991-10-01), Kabelitz et al.
Soviet Union Certificate No. 033,528, "Turbo Molecular Vacuum Pump", Mar. 1986.
Patent Abstract, Japan, App. No. 63-13581, "Vacuum Pump", Publication No. 190990, Published Aug. 1989.

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