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TRANSVERSE TYPE BLOWERS

  • US 20050058538A1
  • Filed: 09/15/2003
  • Published: 03/17/2005
  • Est. Priority Date: 09/15/2003
  • Status: Active Grant
First Claim
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1. A blower comprising:

  • a base having a transverse passage defined therethrough and the transverse passage defining a first hole and a second hole in two opposite ends of the base, a motor having a shaft extending therefrom received in the transverse passage and a fan device coupled to the shaft to be driven by the motor extending from the second holes a ring being connected to the base and encloses the second hole, the ring including a tapered outer periphery extending to an open end of the fan device mounted to the tapered outer periphery of the ring; and

    a casing connected to the base and covering the fan device, the casing including an outlet and an anti-back device engaged in the outlet, the anti-back device having a frame to which a plate is pivotably connected, the plate being opened in one direction and sealing the outlet when in an opposite direction.

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