Cooling device

Abstract

This disclosure relates to a low-profile cooling device ( 100 ) for applications such as spot cooling. The low-profile cooling device can include a first rotor ( 102 ), a second rotor ( 104 ), a motor ( 106 ) including a drive shaft ( 108 ) for driving and rotating each rotor, an upper plate ( 110 ), a middle plate ( 112 ), and a lower plate ( 114 ).

1 .- 20 . (canceled) 
     
     
         21 . A rectangular-shaped dual-inlet low-profile cooling device with only two flat fin plates, comprising:
 a first rotor and a second rotor, each of the first and second rotors including a plurality of blades;   a single motor including a drive shaft for driving and rotating each of the first and second rotors;   an upper plate, a middle plate, and a lower plate, the upper plate defining a first axial air inlet and the lower plate defining a second axial air inlet; and   a single first flat fin plate and a single second flat fin plate, the single first flat fin plate disposed between the upper plate and the middle plate, the single second flat fin plate disposed between the middle plate and the lower plate, wherein
 all five of the plates are substantially parallel to each other, substantially perpendicular to the drive shaft of the motor, and substantially rectangular-shaped, 
 each of the single first and single second flat fin plates defines an opening at least as large as the first and second axial air inlets respectively, 
 the single first flat fin and upper plates are spaced apart to define a first part of a first interior volume without any physical structure within the first part of the first interior volume, the single first flat fin and middle plates are spaced apart to define a second part of the first interior volume without any physical structure within the second part of the first interior volume, 
 the upper and middle plates thus are spaced apart to define the first interior volume with the single first flat fin plate disposed within the first interior volume, and the upper and middle plates are spaced apart to define at least two first radial air outlets, 
 the single second flat fin and lower plates are spaced apart to define a first part of a second interior volume without any physical structure within the first part of the second interior volume, the single second flat fin and middle plates are spaced apart to define a second part of the second interior volume without any physical structure within the second part of the second interior volume, 
 the middle and lower plates thus are spaced apart to define the second interior volume with the single second flat fin plate disposed within the second interior volume, and the middle and lower plates are spaced apart to define at least two second radial air outlets, 
 at least a first heat pipe is disposed along one side of the rectangular-shaped device, and at least a second heat pipe is disposed along an opposite side of the rectangular-shaped device, and 
 air from the first axial air inlet is forced radially into the first and second parts of the first interior volume by the first rotor when driven and rotated by the shaft of the motor and this forced air ultimately exits from at least one of the at least two first radial air outlets, air from the second axial air inlet is forced radially into the first and second parts of the second interior volume by the second rotor when driven and rotated by the shaft of the motor and this forced air ultimately exits from at least one of the at least two second radial air outlets. 
   
     
     
         22 . The device of  claim 21  wherein the cooling device is integrated within any one or more of a portable device, a desktop computer, a server, a graphics processing unit, a central processing unit, and field programmable gateway arrays. 
     
     
         23 . A rectangular-shaped dual-inlet low-profile cooling device without any fin plates, comprising:
 a first rotor and a second rotor, each of the first and second rotors including a plurality of blades;   a single motor including a drive shaft for driving and rotating each of the first and second rotors; and   an upper plate, a middle plate, and a lower plate, wherein
 the upper, middle, and lower plates are substantially parallel to each other, substantially perpendicular to the drive shaft of the motor, and substantially rectangular-shaped, 
 the upper plate defines a first axial air inlet and the lower plate defines a second axial air inlet, 
 the upper and middle plates are spaced apart to define a first interior volume and at least two first radial air outlets without any physical structure within the first interior volume, 
 the lower and middle plates are spaced apart to define a second interior volume and at least two second radial air outlets without any physical structure within the second interior volume, 
 at least a first heat pipe is disposed along one side of the rectangular-shaped device, and at least a second heat pipe is disposed along an opposite side of the rectangular-shaped device, and 
 air from the first axial air inlet is forced radially into the first interior volume by the first rotor when driven and rotated by the shaft of the motor and this forced air ultimately exits from at least one of the at least two first radial air outlets, air from the second axial air inlet is forced radially into the second interior volume by the second rotor when driven and rotated by the shaft of the motor and this forced air ultimately exits from at least one of the at least two second radial air outlets. 
   
     
     
         24 . The device of  claim 23  wherein the cooling device is integrated within a portable device. 
     
     
         25 . The device of  claim 24  wherein the portable device is a mobile phone or a laptop computer. 
     
     
         26 . The device of  claim 23  wherein the cooling device is integrated within any one or more of a desktop computer, a server, a graphics processing unit, a central processing unit, and field programmable gateway arrays. 
     
     
         27 . A rectangular-shaped single-inlet low-profile cooling device with only a single flat fin plate, comprising:
 a single rotor including a plurality of blades;   a single motor including a drive shaft for driving and rotating the single rotor; and   an upper plate, a single middle flat fin plate, and a lower plate, wherein
 the upper, single middle flat fin, and lower plates are substantially parallel to each other, substantially perpendicular to the drive shaft of the single motor, and substantially rectangular-shaped, 
 the upper plate defines a single axial air inlet, 
 the single middle flat fin plate defines an opening at least as large as the single axial air inlet, 
 the single middle flat fin and upper plates are spaced apart to define a first part of an interior volume without any physical structure within the first part of the interior volume, 
 the single middle flat fin and lower plates are spaced apart to define a second part of the interior volume without any physical structure within the second part of the interior volume, 
 the upper and lower plates thus are spaced apart to define the interior volume with the single middle flat fin plate disposed within the interior volume, and the upper and lower plates are spaced apart to define at least two radial air outlets, 
 at least a first heat pipe is disposed along one side of the rectangular-shaped device, and at least a second heat pipe is disposed along an opposite side of the rectangular-shaped device, and 
 air from the single axial air inlet is forced radially into the first and second parts of the interior volume by the single rotor when driven and rotated by the shaft of the single motor and this forced air ultimately exits from at least one of the at least two radial air outlets. 
   
     
     
         28 . The device of  claim 27  wherein the cooling device is integrated within any one or more of a portable device, a desktop computer, a server, a graphics processing unit, a central processing unit, and field programmable gateway arrays. 
     
     
         29 . A rectangular-shaped single-inlet low-profile cooling device with any fin plate, comprising:
 a single rotor including a plurality of blades;   a single motor including a drive shaft for driving and rotating the single rotor; and   an upper plate and a lower plate, wherein
 the upper and lower plates are substantially parallel to each other, substantially perpendicular to the drive shaft of the single motor, and substantially rectangular-shaped, 
 the upper plate defines a single axial air inlet, 
 the upper and lower plates are spaced apart to define an interior volume without any physical structure within the interior volume, 
 the upper and lower plates are spaced apart to define at least two radial air outlets, 
 at least a first heat pipe is disposed along one side of the rectangular-shaped device, and at least a second heat pipe is disposed along an opposite side of the rectangular-shaped device, and 
 air from the single axial air inlet is forced radially into the interior volume by the single rotor when driven and rotated by the shaft of the single motor and this forced air ultimately exits from at least one of the at least two radial air outlets. 
   
     
     
         30 . The device of  claim 29  wherein the cooling device is integrated within a portable device. 
     
     
         31 . The device of  claim 30  wherein the portable device is a mobile phone or a laptop computer. 
     
     
         32 . The device of  claim 29  wherein the cooling device is integrated within any one or more of a desktop computer, a server, a graphics processing unit, a central processing unit, and field programmable gateway arrays.