Solar thermal tube plate heat exchanger

a heat exchanger and solar thermal technology, applied in solar heat collector safety, speed sensing governors, light and heating equipment, etc., can solve the problems of loss of efficiency in flat-plate collectors, detracting from their overall thermal efficiency, tube-plate surface needs wind protection, etc., to achieve rapid and proper length on site, easy to conform to the cap or cap, and inexpensive and thermally conductive

Inactive Publication Date: 2008-01-03
RODEFER BENJAMIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012] Some of the benefits of using plastic or rubber tubes or hoses are that they are inexpensive, they readily conform to the cap or caps, and they can be rapidly cut to proper length on site. Polyethylene is inexpensive and thermally conductive. Because plastic and rubber tubes are sold in rolls of flat tube, they do not take up space at the work place. Rubber tubes in particular are freeze tolerant, but the tubu...

Problems solved by technology

Another loss in efficiency in flat-plate collectors is due to the presence of sharp temperature gradients which afflict flat-plate collectors near the tubes.
Another disadvantage of flat-plate collectors is that the tub...

Method used

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  • Solar thermal tube plate heat exchanger
  • Solar thermal tube plate heat exchanger
  • Solar thermal tube plate heat exchanger

Examples

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Embodiment Construction

[0074] One embodiment of the apparatus uses flexible thin wall plastic or rubber tubes or hoses (which more generally are types of “tubular fluid conduit or conduits”) pressed against the metal roof or walls of a building to gain heat from the sun in the day or dispose of heat to the atmosphere at night. A heat exchange fluid, such as water flows through the tubes by convection, or is pumped, to pick up solar heat during the day or to give out heat at night. Metal caps flatten, squash or otherwise securely fasten the tubes against the metal of the building. For an existing metal roof or metal sidewall, the caps can be held against the flattened tubes by adhesive such as silicone sealant. For a new metal roof or metal sidewall, the metal of the building can be formed in a series of raised sections with undercuts along the sides so that a cap may mechanically snap in place.

[0075] The skins of most metal buildings are poor heat conductors. Most metal buildings are actually made of ste...

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PUM

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Abstract

A combination solar absorber and atmospheric radiator in multiple embodiments, a method for constructing these embodiments, and a method for using the combination solar absorber and atmospheric radiator, the absorber/radiator has a thermally conductive sheet which serves as a back plate, tubular fluid conduit or conduits, generally rectangular thermally conductive caps, and a means for fastening the caps to the sheet, covering one or more conduits and pressing them against the sheet. The side of the sheet with the caps and conduits is exposed to the sun and atmosphere, providing two thermal pathways to and from the conduit.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS [0001] The present application claims priority to U.S. Provisional Patent Application No. 60 / 809,878, filed May 31, 2006, the teachings of which are incorporated herein by reference.BACKGROUND OF THE INVENTION [0002] The present invention relates to solar thermal tube-plate heat exchangers. [0003] The external surface of buildings receives solar energy. Most of the received solar energy is transferred passively to the building by heating up the walls, the roof and other exposed external surfaces of the building. Roofs and walls face the sky, protect against the sun, the cold and the rains, but roofs and walls make little use of the sun, the night's coolness or evaporative cooling. Some have taken advantage of the available solar energy by developing devices that actively harness the solar radiation. Solar flat-plate collectors are one example of such devices. [0004] Flat plate thermal solar collectors have been developed to take advantage of ...

Claims

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Application Information

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IPC IPC(8): F28F1/10
CPCF24J2/26F24J2/265F24J2/4632Y02E10/44F28F1/22F24S10/753F24S10/75F24S40/70
Inventor BAER, STEPHEN C.HARRISON, DAVIDMINGENBACH, WILLIAM
Owner RODEFER BENJAMIN
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