CENTRIFUGAL FAN Russian patent published in 2017 - IPC F04D29/58

Abstract RU 2607116 C2

FIELD: ventilation.

SUBSTANCE: invention relates to centrifugal fan (1) containing the impeller (4), drive motor (3) of the impeller (4), housing (2) containing central part (17) to accommodate engine (3) and the impeller (4), and tangential discharge channel (18) communicating with said central part (17). Housing (2) has an inlet hole (15) in the central part (17) and outlet hole (16) in the tangential discharge channel (18), as well as system (4, 14, 28, 29) of engine cooling (3) containing the impeller (4), vent channel (31) functioning between tangential discharge channel (18) and central part (17), ring element (28) made integral with working wheel (4) and passes in axial direction from the impeller (4) around the engine (3), and multiple radial blades of the engine to create tangential cooling component, that is combined with cooling air flow, creating as a result of helical vortex RF around engine (3).

EFFECT: invention is aimed at effective cooling of the engine.

9 cl, 10 dwg

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RU 2 607 116 C2

Authors

De Filippis Petro

Dates

2017-01-10—Published

2012-09-21—Filed