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ELECTRIC FAN HEATER

  • US 3,725,640 A
  • Filed: 06/21/1971
  • Issued: 04/03/1973
  • Est. Priority Date: 06/21/1971
  • Status: Expired due to Term
First Claim
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1. An electric fan heater comprising:

  • a. a housing, having top, side, rear, bottom and front walls, b. a motor driven axial fan propeller within the housing, said fan having a vertical central axis of rotation to thereby provide a centrifugal air stream path within the housing, c. a circular air inlet opening in the top wall of the housing overlying said propeller, said opening being slightly larger than the propeller diameter and having a depending circumferential downwardly directed wall extending below the central horizontal plane of the fan propeller, d. an air outlet opening in the front wall of the housing, e. a heating element in said air stream path and located in close proximity to the air outlet opening, and f. a shielding member between the fan propeller and air inlet opening to partially block the air inlet opening said shielding member covering the area as seen in top plan view between the edge of said opening and a chord line across a portion of said opening, said chord line being located less than half the distance from the edge of the opening to the center thereof and in the half of the inlet opening closest the air outlet opening.

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