Pump and heat exchanger

Abstract

A pump includes an impeller with impeller blades that extend radially outward. The pump may further include a pump housing that may surround a radial perimeter of the impeller. Furthermore, the pump housing may include an inlet opening in fluid communication with the impeller and a discharge channel. The pump may further include a heat exchanger supported within the pump housing between the inlet opening and at least one connection port. of the pump housing. The heat exchanger may include one or more tubing coils that extend around an axis.

1 . A pump, comprising: 
 an first impeller with impeller blades that extend radially outward;    a pump housing surrounding a radial perimeter of the first impeller and including an inlet opening in fluid communication with the first impeller and a discharge channel; and    a heat exchanger supported within the pump housing between the inlet opening and at least one connection port of the pump housing, wherein the heat exchanger includes one or more tubing coils that extend around an axis.    
   
   
       2 . The pump of  claim 1 , wherein the pump housing allows rotation of the first impeller around an impeller rotation axis, the heat exchanger is disposed within the discharge channel, and the axis around which the one or more tubing coils of the heat exchanger extend is the impeller rotation axis.  
   
   
       3 . The pump of  claim 1 , wherein the heat exchanger further includes: 
 a first tube that forms at least one of the tubing coils;    a second tube that forms at least one of the tubing coils;    wherein a first end of the first tube is disposed adjacent a first end of the second tube; and    wherein a second end of the first tube is disposed adjacent a second end of the second tube.    
   
   
       4 . The pump of  claim 3 , wherein the heat exchanger further includes: 
 a first manifold connected to the first end of the first tube and the first end of the second tube; and    a second manifold connected to the second end of the first tube and the second end of the second tube.    
   
   
       5 . The pump of  claim 3 , wherein at least one tubing coil formed by the first tube is a spiral tubing coil and at least one tubing coil formed by the second tube is a spiral tubing coil.  
   
   
       6 . The pump of  claim 1 , wherein: 
 a first section of tube assembly includes one of the tubing coils with fins joined thereto;    a second section of tube assembly includes another of the tubing the tubing coils with fins joined thereto;    the first section of tube assembly and the second section of tube assembly extend substantially parallel to one another with fins of the first section of tube assembly extending toward the second section of tube assembly and fins of the second section of tube assembly extending toward the first section of tube assembly; and    a spacer extending between and substantially parallel to the first section of tube assembly and the second section of tube assembly attaches to fins of the first section of tube assembly and to fins of the second section of tube assembly.    
   
   
       7 . The pump of  claim 1 , wherein at least one of the tubing coils is a helical tubing coil.  
   
   
       8 . The pump of  claim 1 , wherein: 
 the tubing coils include a first set of helical tubing coils that extend in series in a first direction along a central axis;    the tubing coils include a second set of helical tubing coils that also extend in series in the first direction along a central axis;    a first end of the first set of tubing coils is connected to a first end of the second set of helical tubing coils; and    at least a portion of the first set of helical tubing coils and at least a portion of the second set of helical tubing coils extend along a same portion of the central axis.    
   
   
       9 . The pump of  claim 8 , wherein: 
 a second end of the first set of helical tubing coils is connected to a first tube ending;    a second end of the second set of helical tubing coils is connected to a second tube ending; and    the first tube ending and the second tube ending are disposed adjacent one another.    
   
   
       10 . The pump of  claim 9 , wherein at least some tubing coils of the first set of helical tubing coils extend between at least some tubing coils of the second set of helical tubing coils, such that at least some of the tubing coils of the first set of helical tubing coils are disposed in alternating positions with at least some of the tubing coils of the second set of helical tubing coils, along the central axis.  
   
   
       11 . The pump of  claim 8 , at least some tubing coils of the first set of helical tubing coils extend between at least some tubing coils of the second set of helical tubing coils, such that at least some of the tubing coils of the first set of helical tubing coils are disposed in alternating positions with at least some of the tubing coils of the second set of helical tubing coils, along the central axis.  
   
   
       12 . The pump of  claim 2 , further comprising: 
 a second impeller disposed within the discharge channel and rotatable around the impeller rotation axis.    
   
   
       13 . The pump of  claim 12 , wherein the heat exchanger is disposed between the radial perimeter of the first impeller and the second impeller along flow paths defined by the discharge channel.  
   
   
       14 . The pump of  claim 13 , wherein the discharge channel defines flow paths from adjacent the radial perimeter of the first impeller to at least one connection port, and wherein radially-outer portions of the one or more tubing coils are disposed closer, along the flow paths, to the radial perimeter of the first impeller than are radially-inner portions of the one or more tubing coils.  
   
   
       15 . The pump of  claim 2 , wherein the discharge channel defines flow paths from adjacent the radial perimeter of the first impeller to the at least one connection port, and wherein radially-outer portions of the one or more tubing coils are disposed closer along the flow paths to the radial perimeter of the first impeller than are radially-inner portions of the one or more tubing coils.  
   
   
       16 . A method of constructing a heat exchanger, comprising: 
 forming a first section of tube assembly by: 
 bending a ribbon parallel to its major surfaces multiple times around a fixture to form the ribbon into multiple fins; and  
 securing the ribbon around a first section of tube with the fins extending from the first section of tube.  
   
   
   
       17 . The method of  claim 16 , wherein bending the ribbon includes bending the ribbon into a helix around the fixture.  
   
   
       18 . The method of  claim 16 , fuirther including: 
 forming straight edges on the fins.    
   
   
       19 . The method of  claim 16 , further including: 
 forming a series of straight edges on the fins by cutting off outer portions of the fins in a manner such that the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends.    
   
   
       20 . The method of  claim 16 , further including: 
 forming a series of straight edge on the fins by bending over outer portions of the fins in a manner such that the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends.    
   
   
       21 . The method of  claim 16 , further including: 
 forming a series of straight edges on the fins, wherein the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends; and    mounting a spacer to the series of straight edges on the fins.    
   
   
       22 . The method of  claim 16 , further including: 
 forming a series of straight edges on the fins, wherein the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends;    bending the first section of tube assembly parallel to the series of straight edges;    bending a spacer into a shape such that at least a portion of the spacer and at least a portion of the first section of tube of the first tube assembly have substantially the same shape; and    mounting a first side of the spacer to the first series of straight edges substantially parallel to a portion of the first section of tube.    
   
   
       23 . The method of  claim 22 , further including: 
 forming a second section of tube assembly by joining fins to a second section of tube, wherein the fins attached to the second section of tube have a series of straight edges aligned with one another in an axial direction of the second section of tube;    bending at least a portion of the second section of tube assembly, parallel to the straight edges on the fins of the second section of tube assembly, and into a shape such that at least a portion of the second section of tube assembly and at least a portion of the spacer have substantially the same shape; and    attaching the straight edges of the fins of the second tube assembly to a second side of the spacer, opposite the first side of the spacer, such that at least a portion of the second section of tube extends substantially parallel to at least a portion of the first section of tube.    
   
   
       24 . The method of  claim 16 , further including: 
 installing the first section of tube assembly in a pump housing of a pump between an inlet opening and a connection port of the pump housing.    
   
   
       25 . The method of  claim 24 , further including: 
 prior to installing the first section of tube assembly in the pump housing, bending the first section of tube assembly to form at least one tubing coil; and    wherein installing the first section of tube assembly in the pump housing includes installing the first section of tube assembly within a discharge channel disposed between the inlet opening and the connection port of the pump housing with the at least one tubing coil extending around an impeller rotation axis of the pump.    
   
   
       26 . The method of  claim 16 , further including: 
 forming a first series of straight edges on the fins, wherein the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends; and    forming a second series of straight edges, parallel to the first series of straight edges, on the fins on a side of the center axis opposite the first series of straight edges.    
   
   
       27 . The method of  claim 26 , further including: 
 mounting a first spacer to the first series of straight edges; and    mounting a second spacer to the second series of straight edges.    
   
   
       28 . The method of  claim 16 , further including: 
 forming a series of straight edges on the fins of the first section of tube assembly, wherein the straight edges are aligned with one another in a direction of a center axis around which the ribbon extends; and    after forming the first section of tube assembly, bending the first section of tube assembly multiple times in a plane to form at least a portion of the first section of tube into a first tubing coil; 
 forming a second section of tube assembly by; attaching fins to a second section of tube, wherein the fins attached to the second section of tube have a series of straight edges aligned with one another in an axial direction of the second section of tube;  
   bending the second tube assembly multiple times in a plane to form at least a portion of the second section of tube into a second tubing coil having substantially the same shape as the first tubing coil formed by the first section of tube;    forming a spacer with at least a portion of the spacer having a shape substantially the same as the first tubing coil formed by the first section of tube and the second tubing coil formed by the second section of tube;    attaching the first section of tube assembly to the spacer by attaching the straight edges of the fins of the first section of tube assembly to a first side of the spacer such that the first tubing coil extends substantially parallel to the portion of the spacer having substantially the same shape as the first tubing coil; and    attaching the second section of tube assembly to the spacer by attaching the straight edges of the fins of the second section of tube assembly to a second side of the spacer such that the second tubing coil extends substantially parallel to the portion of the spacer having substantially the same shape as the second tubing coil.    
   
   
       29 . The method of  claim 28 , wherein attaching the first section of tube assembly to the spacer and attaching the second section of tube assembly to the spacer includes stacking the first section of tube assembly, the spacer, and the second section of tube assembly on a fixture.  
   
   
       30 . The method of  claim 16 , wherein the fixture is the first section of tube.  
   
   
       31 . An assembly, comprising: 
 a first set of helical tubing coils that extend in series in a first direction along a central axis;    a second set of helical tubing coils that also extend in series in the first direction along the central axis; and    wherein at least some of the tubing coils of the second set of helical tubing coils extend between at least some of the tubing coils of the first set of helical tubing coils, such that at least some of the tubing coils of the first set of helical tubing coils are disposed in alternating positions along the central axis with at least some of the tubing coils of the second set of helical tubing coils.    
   
   
       32 . The assembly of  claim 31 , wherein: 
 a first section of tube assembly includes at a least a portion of the first set of helical tubing coils with fins attached thereto;    a second section of tube assembly includes at least a portion of the second set of helical tubing coils with fins attached thereto;    at least a portion of the fins of the first section of tube assembly extend toward the second section of tube assembly;    at least a portion of the fins of the second section of tube assembly extend toward the first section of tube assembly; and    a spacer extends between and substantially parallel to the first section of tube assembly and the second section of tube assembly and attaches to fins of the first section of tube assembly and the second section of tube assembly.    
   
   
       33 . The assembly of  claim 32 , wherein: 
 a first end of the first set of helical tubing coils and a first end of the second set of helical tubing coils are fluidly connected;    a second end of the first set of helical tubing coils is fluidly connected to a first tube ending;    a second end of the second set of helical tubing coils is fluidly connected to a second tube ending; and    the first tube ending and the second tube ending are disposed adjacent one another.    
   
   
       34 . The assembly of  claim 31 , wherein: 
 a first end of the first set of helical tubing coils and a first end of the second set of helical tubing coils are fluidly connected;    a second end of the first set of helical tubing coils is fluidly connected to a first tube ending;    a second end of the first set of helical tubing coils is fluidly connected to a second tube ending; and    the first tube ending and the second tube ending are disposed adjacent one another.    
   
   
       35 . The assembly of  claim 31 , further including: 
 an impeller with impeller blades that extend radially outward;    a pump housing surrounding a radial perimeter of the impeller and including an inlet opening in fluid communication with the impeller and a discharge channel that extends from adjacent the radial perimeter of the impeller to at least one connection port; and    wherein the first set of helical tubing coils and the second set of helical tubing coils are disposed within the pump housing between the inlet opening and the at least one connection port.    
   
   
       36 . The assembly of  claim 35 , wherein the first set of helical tubing coils and the second set of helical tubing coils extend around the impeller rotation axis.