F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 29/06 (2006.01) F04C 18/16 (2006.01)
Patent
CA 2644879
A Roots-type blower with helical cycloidal rotors features relief recesses in the chamber walls, isolated from the input and output ports. The relief recesses counter variation in leakback flow with angular position intrinsic to helical cycloidal rotors, attenuating a noise source.
Cardinal Health 203 Inc.
Carefusion 203 Inc.
Robic
LandOfFree
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