Crossing spiral compressor/pump

F - Mech Eng,Light,Heat,Weapons – 01 – D

Patent

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Details

F01D 1/02 (2006.01) F04D 3/00 (2006.01) F04D 5/00 (2006.01) F04D 17/06 (2006.01) F04D 23/00 (2006.01)

Patent

CA 2317855

A crossing spiral compressor or pump having a cylindrical rotor rotating within a cylindrical stator bore. Both the outer surface of the rotor and the bore of the stator include a plurality of spiral fluid flow channels separated by narrow blades, with the spiral fluid flow channels of the stator bore spiraling in the reverse or opposite direction relative to the spiral fluid flow channels of the rotor. The fluid flow channels on the rotor and in the bore have open sides that face the annular gap between the rotor and stator with the channels crossing each other at many locations to facilitate fluid exchange between rotor channels and bore channels.

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