System for ventilating a rail traction motor and for dynamically

Details System for ventilating a rail traction motor and for dynamically System for ventilating a rail traction motor and for dynamically

1990-04-16

1991-03-19

Nozick, Bernard

Gas separation

Mounted or supported for continuous motion

Differentially deflected system fluid constituents

4151212, B01D 4512

Patent

active

050007696

ABSTRACT:
A system for ventilating a rail traction motor and for dynamically purifying the ventilation air, the system comprising a centrifugal fan (1) having radial blades (2) surrounded by a circular housing (3) and delivering air to the motor, and dynamic filter means on the path of the air delivered by the fan. The system includes a plane sheet (4) pierced by peripheral through openings (5) forming a diffusing screen and dividing the inside volume of the circular housing into an upstream chamber (6) connected to the air inlet of the fan, and a downstream chamber (7) connected to its outlet leading to the motor, an exhaust outlet (8) for exhausting impure air, the exhaust outlet being in the form of a sector on the periphery of the upstream chamber, and a separator element (9) disposed facing the opening and forming an obstacle to deflect air streams close to the blades of the fan towards a take-up section close to the exhaust opening.

REFERENCES:
patent: 2601907 (1952-07-01), Burrows et al.

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