FIELD: transport.
SUBSTANCE: invention relates to railway transport and may be used in car ventilation systems. Proposed device comprises fan blower 2 mounted under car roof skin. Fan blower casing 3 is equipped with inlet pipe 4 and outlet pipe 5 that make fan blower flow section. Extra fan 10 is arranged under fan blower casing, in car roof on inner side. Fan blower casing and impeller represent a hollow structure communicated with extra fan flow section. Sealing elements for isolation of flow sections of fan blower and extra fan are arranged between fan blower casing top and bottom walls and top and bottom edges of impeller cowling. Rotation of fan blower and extra fan impeller fitted on fan blower shaft is driven by moving car counter-current airflow.
EFFECT: efficient ventilation.
3 cl, 8 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CENTRIFUGAL FAN | 0 |
|
SU1758293A1 |
| ENGINE COOLING SYSTEM | 2021 |
|
RU2759167C1 |
| ROOF RADIAL FAN OF SMOKE-REMOVAL AND VENTILATION | 2016 |
|
RU2618416C1 |
| WIND TURBINE PLANT | 2016 |
|
RU2638120C1 |
| WIND VENTILATION DEVICE | 2011 |
|
RU2484294C2 |
| VANE FLOW-THROUGH AXIAL-RADIAL SEPARATOR | 2019 |
|
RU2752447C2 |
| AIR HEATER OF DRIVER'S CABIN OF ELECTRIC TRANSPORT | 2008 |
|
RU2376156C2 |
| RADIAL ROOF FAN | 2009 |
|
RU2415305C2 |
| LIGHT VEHICLE PASSENGER SALOON HEATING AND VENTILATION SYSTEM (OPTIONS) | 2006 |
|
RU2328382C1 |
| VANE AXIAL RADIAL SEPARATOR | 2019 |
|
RU2753111C2 |
