US2002064457A1PendingUtilityA1

Blower

Priority: Nov 30, 2000Filed: Nov 30, 2000Published: May 30, 2002
Est. expiryNov 30, 2020(expired)· nominal 20-yr term from priority
Inventors:Lou Pauly
F04D 29/282F04D 17/08
33
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A blower employing curved radial blades defining an arc chord of 60 degrees, which circulate the air entering the circulation section to tangentially force the same through an exhaust section

Claims

exact text as granted — not AI-modified
I claim:  
     
         1 . A blower comprising: 
 a. a housing defining a tangential exhaust, and an air intake, which leads into and is in communication with an interior circulation chamber, and an intake air collection chamber associated with the tangential exhaust,    b. a drive shaft journal mounted to the housing and extending into the air collection chamber,    c. an impeller attached to the drive shaft having 
 i. a plurality of parallel rotating discs, each defining a central disc air intake in communication with the housing air intake, and  
 ii. a plurality of radial evenly spaced apart blades structured to define an arch chord of 60 degrees mounted between the discs such that each blade begins proximate the disc air intake and extends to the periphery of the disc to form equal width open ended flow channels between the blades to transmit air from the disc air intake through the flow channel and out an exhaust opening,  
 iii. an attachment disc with structure to cover the disc air inlet and attach the impeller to the drive shaft, and  
   d. a motor operably associated with the drive shaft to turn the impeller in the direction of the angled blades to draw in air from the housing intake, through the disc air intakes and flow channels into the collection chamber and out the tangential exhaust.    
     
     
         2 . A blower according to  claim 1 , including a hub attached to the attachment disc to secure the attachment disc to the drive shaft.  
     
     
         3 . A blower according to  claim 1 , wherein the blades and discs are spaced sufficiently apart to prevent any debris contained in the air flow from obstructing the flow channels.  
     
     
         4 . A blower according to  claim 1 , wherein the angle of curvature of the blades at the gas inlets is selected to allow the air entering the impeller to be at approximately the same angle as the curve of the blades to minimize inlet losses  
     
     
         5 . A blower according to  claim 1 , wherein the flow channels have the same cross-section area throughout their length to prevent interference with the gas flows therethrough and out the blade air outlets.  
     
     
         6 . A blower comprising: 
 a. a housing defining a tangential exhaust, and an air intake, which leads into and is in communication with an interior circulation chamber, and an intake air collection chamber associated with the tangential exhaust,    b. a drive shaft journal mounted to the housing and extending into the air collection chamber,    c. an impeller attached to the drive shaft having 
 i. a plurality of parallel rotating discs, each defining a central disc air intake in communication with the housing air intake, and  
 ii. a plurality of radial evenly spaced apart blades structured to define an arch chord of 60 degrees mounted between the discs such that each blade begins proximate the disc air intake and extends to the periphery of the disc to form equal width open ended flow channels between the blades to transmit air from the disc air intake through the flow channels and out disc exhaust openings, said flow channels having the same cross-sectional area throughout their length and of sufficient width to prevent being clogged by debris picked up by the intake air,  
 iii. an attachment disc with a hub with one end covering the disc air inlet and the other structured to attach the impeller to the drive shaft, and  
   d. a motor operably associated with the drive shaft to turn the impeller in the direction of the angled blades to draw in air from the housing intake, through the disc air intakes and flow channels into the collection chamber and out the tangential exhaust.

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