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Evapco Inc patents


Recent patent applications related to Evapco Inc. Evapco Inc is listed as an Agent/Assignee. Note: Evapco Inc may have other listings under different names/spellings. We're not affiliated with Evapco Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Evapco Inc-related inventors


Low charge packaged ammonia refrigeration system with evaporative condenser

A packaged, pumped liquid, evaporative-condensing recirculating ammonia refrigeration system with charges of 10 lbs or less of refrigerant per ton of refrigeration capacity. The compressor and related components are situated inside the plenum of a standard evaporative condenser unit, and the evaporator is close coupled to the evaporative condenser. ... Evapco Inc

Ultra narrow channel ultra low refrigerant charge evaporative condenser

A tube bundle for an evaporative refrigerant condenser having a plurality of straight single pass tubes extending between a refrigerant inlet header and a refrigerant outlet header, said tubes having a cross-sectional shape in the form of an ellipse having a major axis and a minor axis, wherein said major axis is longer than said minor axis by a factor of 3 to 7, wherein the amount of required refrigerant charge for a particular heat exchange capacity is substantially and unexpectedly reduced resulting in a substantial and unexpected increase in efficiency.. . ... Evapco Inc

Low charge packaged refrigeration systems

A packaged, pumped liquid, recirculating refrigeration system with charges of 10 lbs or less of refrigerant per ton of refrigeration capacity. The compressor and related components are situated in a pre-packaged modular machine room, and in which the condenser is mounted on the machine room and the evaporator is close coupled to the pre-packaged modular machine room. ... Evapco Inc

Bi-directional fill for use in cooling towers

Cooling towers and cooling tower fill configured for the cooling of process water with air by indirect heat exchange, in which the fill is configured with a first set of channels and a second set of channels, said first and second set of channels interleaved with one-another so that heat exchange occurs across material separating said channels from one-another.. . ... Evapco Inc

Arrowhead fin for heat exchange tubing

A new heat exchange tube fin design in which a plurality of arrowhead shapes are pressed into or embossed onto each fin, the arrowhead shape defined by two intersecting wedge sections. The pressed arrowhead shapes are grouped into nested pairs, and one of the arrowheads in a pair is pressed as a positive relative to the fin plane and the other of the pair is pressed as a negative relative to the fin plane. ... Evapco Inc

Evaporative heat exchange apparatus with finned elliptical tube coil assembly

An improved finned coil tube assembly enhances evaporative heat exchanger performance, and includes tubes, preferably serpentine tubes, in the coil assembly. The tubes have a generally elliptical cross-section with external fins formed on an outer surface of the tubes. ... Evapco Inc

Water-savings adiabatic spray system

A water savings system and method for reducing the amount of water needed for adiabatic cooling including the use of a softener and a reverse osmosis device, in which tap water, softened if necessary, is delivered to a reverse osmosis device and softened water alone, reverse osmosis reject water, or softened water combined with reverse osmosis reject water is delivered to spray nozzles for cooling, and reverse osmosis pure water is stored and used periodically to flush the coils to inhibit and/or prevent corrosion from dissolved salts and other solids in the spray water.. . ... Evapco Inc

All-secondary air cooled industrial steam condenser

A new design for large scale field erected industrial steam condensers in which all of the bundles are constructed as secondary bundles, in a-frame or v-shape configuration, with tubes oriented 25-35 degrees from the vertical, steam fed from the bottom and condensate is collected from the bundles from the bottom using a combination/hybrid manifold that both delivers steam to the tubes and collects condensate from the tubes and which is constructed so that the condensate is prevented from returning down the steam delivery riser(s) and in which the cross-sectional dimensions of the tubes are 125 mm wide with a cross-section height of less than 10 mm with fins that are 9.25 mm in height, arranged at 9 to 12 fins per inch.. . ... Evapco Inc

Mini-tube air cooled industrial steam condenser

Large scale field erected air cooled industrial steam condenser having 10 heat exchanger bundles per cell arranged in five pairs in a v-shape, each heat exchanger bundle having four primary heat exchangers and four secondary heat exchangers in which each secondary heat exchanger is paired with a single primary heat exchanger. Four primary condensers are arranged such that the tubes are horizontal, while the inlet steam manifolds at one end of the tubes are perpendicular to the primary condenser tubes, i.e., parallel to the transverse axis of the bundle. ... Evapco Inc

Thermal capacity of elliptically finned heat exchanger

Spiral finned elliptical tube closed circuit coolers and evaporative refrigerant condensers in which the air flow entering the unit is directed to flow across the tubes in a direction that is parallel to the tube axes and generally perpendicular to the fins produce a completely unexpected gain in capacity of 25% compared to comparable units in which the air flow is directed across/perpendicular to the tube axes.. . ... Evapco Inc

Thermal storage ice breaker apparatus

An internal melt ice thermal storage device having an ice build/melt coils with tubes fitted with extensions or “fins” that transfer heat from the thermal transfer medium in the tubes to distal portions of the ice rings that surround said tubes in order to define the shape of the liquid meniscus between the tube and ice allowing the ice to break free from the tube near the initiation of melt.. . ... Evapco Inc

Bi-directional fill for use in cooling towers

Cooling towers and cooling tower fill configured for the cooling of process water with air by indirect heat exchange, in which the fill is configured with a first set of channels and a second set of channels, said first and second set of channels interleaved with one-another so that heat exchange occurs across material separating said channels from one-another.. . ... Evapco Inc








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