Holweck vacuum pump

Details Holweck vacuum pump Holweck vacuum pump

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 19/04 (2006.01)

Patent

CA 2598866

The invention relates to a Holweck vacuum pump comprising a pump rotor (16) with a rotating tube (24) and pump stators (12, 14), each having a screw-type threaded groove (21, 23) and being situated radially inside and radially outside the rotor tube (24), in addition to a rotor blade disc (28) comprising a support ring (30) that supports the rotor tube (24). The blades (18) of the blade disc have shoulders on the rotor side (40), which bear the support ring (30).

L'invention concerne une pompe à vide Holweck comportant un rotor (16) doté d'un tube rotatif (24), dans un stator (12,14) pourvu d'une gorge filetée hélicoïdale (21,23) et disposé de manière radiale interne et externe relativement au tube (24) du rotor, ainsi qu'un disque à palettes (28) de rotor monté côté entrée et équipé d'un anneau porteur (30) qui supporte le tube (24) du rotor. Les palettes (18) du disque à palettes comportent des épaulements (40) côté rotor, lesquels portent l'anneau porteur (30).

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