Hybrid capillary cooling apparatus
First Claim
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1. A cooling apparatus comprising;
- at least one evaporator comprising an enclosure from which all non-condensable gases have been evacuated, the enclosure including a capillary wick in contact with an interior surface receiving heat from means external to the evaporator, a vapor space for receiving vapor evaporating from the wick, a liquid inlet admitting liquid into the enclosure, at least one liquid source supplying liquid to a surface of the wick, an excess liquid outlet for removing excess liquid from the enclosure, and a vapor outlet accessible to the vapor space for removing vapor from the enclosure;
a condenser comprising an enclosure, a vapor inlet interconnected with the evaporator vapor outlet by a vapor transporting structure, an interior surface cooled by a means external to the enclosure, and a condensate outlet removing liquid condensed within the enclosure;
a reservoir comprising an enclosure holding liquid, a condensate inlet interconnected with the condensate outlet of the condenser by a liquid transporting structure, a liquid outlet interconnected with the evaporator liquid input by a liquid transporting structure, and an excess liquid inlet interconnected with the excess liquid outlet of the evaporator by a liquid transporting structure; and
a pump interconnected with the reservoir and the evaporator and moving liquid to the evaporator from the reservoir.
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Abstract
The apparatus is a hybrid cooler which includes one loop within which a heated evaporator forms vapor that moves to a condenser because of the vapor pressure which also drives the liquid condensate from the condenser to a liquid reservoir. A second loop is powered by a mechanical pump that supplies liquid from the reservoir to the evaporator and the second loop also returns excess liquid not vaporized to the reservoir. An optional reservoir cooler can be used to assure that the reservoir temperature and vapor pressure are always lower that the temperatures and pressures of the evaporator and condenser.
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Citations
15 Claims
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1. A cooling apparatus comprising;
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at least one evaporator comprising an enclosure from which all non-condensable gases have been evacuated, the enclosure including a capillary wick in contact with an interior surface receiving heat from means external to the evaporator, a vapor space for receiving vapor evaporating from the wick, a liquid inlet admitting liquid into the enclosure, at least one liquid source supplying liquid to a surface of the wick, an excess liquid outlet for removing excess liquid from the enclosure, and a vapor outlet accessible to the vapor space for removing vapor from the enclosure; a condenser comprising an enclosure, a vapor inlet interconnected with the evaporator vapor outlet by a vapor transporting structure, an interior surface cooled by a means external to the enclosure, and a condensate outlet removing liquid condensed within the enclosure; a reservoir comprising an enclosure holding liquid, a condensate inlet interconnected with the condensate outlet of the condenser by a liquid transporting structure, a liquid outlet interconnected with the evaporator liquid input by a liquid transporting structure, and an excess liquid inlet interconnected with the excess liquid outlet of the evaporator by a liquid transporting structure; and a pump interconnected with the reservoir and the evaporator and moving liquid to the evaporator from the reservoir. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification