Sealed type casing

Details Sealed type casing Sealed type casing

1999-06-15

2000-12-26

Tolin, Gerald

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

165 803, 310 64, 4174235, 454184, H05K 720

Patent

active

061669059

ABSTRACT:
A sealed type casing comprises a casing body 10, a cover 9, one motor 12 fixed to a rear face plate 10a of the casing body, a plurality of inner and outer heat exchange fins 11a, 11b integral with and formed on inner and outer surfaces of the rear face plate so that the heat exchange fins are arranged vortically in an overlapping manner around a rotary shaft 12a of the motor, a first centrifugal fan 13 adapted to be rotated inside the casing body by the motor and sending the air to the inner heat exchange fins, and a second centrifugal fan 13 adapted to be rotated outside the casing body by the motor and sending outside air to the outer heat exchange fins. When the motor is rotated, the centrifugal fans apply a centrifugal force to the air sucked from a region close to the rotary shaft of the motor, and send out the air toward the heat exchange fins.

REFERENCES:
patent: 5445215 (1995-08-01), Herbert
patent: 5478214 (1995-12-01), Howarth
patent: 5771961 (1998-06-01), Alizadeh
patent: 6039111 (2000-03-01), Kawaguchi

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