FIELD: engines and pumps.
SUBSTANCE: birotary screw fan comprises structural ring of rear suspension and rear bearing housing. Note here that said structural ring is jointed with rear bearing housing flange wherein 
-like air channels are made to communicate higher-pressure air chamber located outside of said housing with rear veering gas chamber. Said gas channels form annular slotted chamber while ribs between air channels feature aerodynamically streamlined profiles.
EFFECT: higher reliability due to efficient cooling of rear suspension.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROPELLER FAN | 2010 |
|
RU2428590C1 |
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|
RU2358119C1 |
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|
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RU2698497C1 |
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|
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|
RU2803681C1 |
| BIROTATING BYPASS GAS TURBINE ENGINE | 2023 |
|
RU2805947C1 |
