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heat exchanger

A technology of heat exchangers and flow guides, applied in the field of heat exchangers for heating water

Inactive Publication Date: 2017-07-04
WATERCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] A problem with existing heat exchangers is that it is difficult to extract most of the available thermal energy from the working fluid, in the sense that they are generally thermally inefficient
This inefficiency is the result of several factors
One factor is that the two fluids of the heat exchanger usually do not come into direct contact with each other, so the thermal performance of the various components of the heat exchanger limits the thermal efficiency of the system
[0010] In addition, for example in the case of water heating, the high temperature fluid and the low temperature fluid are only in contact with each other for a limited time, which also limits the amount of thermal energy transfer in the heat exchanger

Method used

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Experimental program
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Embodiment Construction

[0054] Shown in the figure is a heat exchanger 10 . The heat exchanger 10 is used in swimming pools or spas in combination with a heat pump. However, those skilled in the art will appreciate that the heat exchanger 10 can be used in many other applications. Heat exchanger 10 has an outer shell or housing 12 defining a central cavity 13 . The housing 12 is formed from two separately injection molded plastic halves 14 , 15 . Such as figure 1 As described in , the two housing halves 14, 15 are shown in cross-section.

[0055] Heat exchanger 10 includes an inlet 20 for receiving a heated working fluid, which may be water, refrigerant, or another suitable working fluid. Inlet 20 is coupled with a source of heated working fluid. For example, it could be a roof mounted solar panel water heater, a gas hot water system or a heat pump. The inlet 20 is fluidly connected to an internal coolant conduit in the form of a coil 30 .

[0056] In a preferred embodiment, coil 30 is fabricate...

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Abstract

A heat exchanger (10) comprises a housing (12) and a fluid flow conduit (30) located within a cavity (13) formed in the housing, the fluid flow conduit (30) including an outer tube (32) located adjacent to an inner wall of the housing (12) and an inner tube (34) in fluid communication with the outer tube (32), the inner tube (34) being located between the outer tube (32) and a longitudinal axis of the housing (13). An inlet port (50) is located on the housing (12), the inlet port (50) being in fluid communication with the cavity (13). The heat exchanger (10) includes an outlet port (60) located on the housing (13), the outlet, port (60) being in fluid communication with the cavity (13).

Description

technical field [0001] The present invention relates to a heat exchanger. In particular, the invention relates to a heat exchanger for heating water. The heat exchanger finds particular application in the heating of swimming pools and spas, it being realized that it could easily be applied in other applications in different industries. Background technique [0002] Heat exchangers are used to transfer heat from a heat source or thermal mass to a fluid mass, such as water in a swimming pool or spa. Heat exchangers are used, for example, to raise or lower (such as heating or cooling) the temperature of fluids in various applications, and heat exchangers are also used in a variety of industrial applications (such as automotive, air conditioning, power generation, and transportation, among others) )middle. [0003] One place where heat exchangers are suitable is in swimming pool heating systems, which use a heat pump system to maintain the temperature of the swimming pool. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/02F28D7/04F28D7/10
Inventor 普拉迪普·库马尔·坦登
Owner WATERCO