US2007166166A1PendingUtilityA1

Cooling fan for radiator

17
Individually held — no corporate assignee on recordPriority: Jan 19, 2006Filed: Jan 19, 2006Published: Jul 19, 2007
Est. expiryJan 19, 2026(expired)· nominal 20-yr term from priority
Inventors:Yi-Geun Lee
F04D 29/326F04D 29/384
17
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A cooling fan is disclosed to have a hollow hub, and a plurality of blades respectively radially extending from and equiangularly spaced around the periphery the periphery of the hollow hub, the blades each having a distal end joined to one another to form a rim.

Claims

exact text as granted — not AI-modified
1 . A cooling fan comprising a hollow hub, and a plurality of blades respectively radially extending from the periphery of said hollow hub and equiangularly spaced around the periphery of said hollow hub, wherein said blades each have a distal end joined to one another, forming a rim.  
   
   
       2 . The cooling fan as claimed in  claim 1 , wherein the connection area between the distal ends of each two adjacent blades is chamfered.  
   
   
       3 . The cooling fan as claimed in  claim 1 , which is installed in a top side of a radiator of a motor vehicle.  
   
   
       4 . The cooling fan as claimed in  claim 1 , which is installed in a bottom side of a radiator of a motor vehicle.  
   
   
       5 . The cooling fan as claimed in  claim 1 , which is coupled to a motor and rotatable by said motor.  
   
   
       6 . The cooling fan as claimed in  claim 1 , wherein hollow hub and said blades are molded from plastics.  
   
   
       7 . The cooling fan as claimed in  claim 1 , wherein said hollow hub and said blades are made in integrity.

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