Rotary suction and blowing machine

Details Rotary suction and blowing machine Rotary suction and blowing machine

1997-01-02

1998-07-14

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

Turbine regenerative pump

F04D 2942

Patent

active

057794332

ABSTRACT:
The invention relates to an improved suction and blowing machine comprising an impeller provided with blades which rotate internally of an annular channel afforded in a body. The annular channel comprises a first tract having a transversal section which is greater than that of the blades, and is constituted by two communicating semichannels. The annular channel extends from an intake mouth to a delivery mouth and is provided with a peripheral wall facing external peripheral edges of the blades which peripheral wall bears a cusp-section projecting element extending over an entire length of the first tract of the peripheral wall and creates thereon two concave surfaces.

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