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Class Information
Number: 165/147
Name: Heat exchange > Gradated heat transfer structure > Tapered conduit means
Description: Apparatus in which heat transfer takes place through the wall of a passage increasing progressively in cross-sectional area.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8622030 Spiral heat exchanger for producing heating and/or sanitary use hot water, specifically designed for condensation applications Jan. 7, 2014
8534347 Expandable fluid cooling structure Sep. 17, 2013
8518212 Devolatilization apparatus and process Aug. 27, 2013
8438864 Transcritical heat pump water heater and method of operation May. 14, 2013
8393318 Heat exchanger Mar. 12, 2013
8302673 Parallel flow evaporator with spiral inlet manifold Nov. 6, 2012
8240367 Plate heat exchanger port insert and method for alleviating vibrations in a heat exchanger Aug. 14, 2012
8230903 Low profile heat sink for semiconductor devices Jul. 31, 2012
8081465 Cooling apparatus for semiconductor chips Dec. 20, 2011
7980295 Evaporator and circulation type cooling equipment using the evaporator Jul. 19, 2011
7940527 Cooling system for electronic structural units May. 10, 2011
7614442 Heat exchanger Nov. 10, 2009
7462262 Vertical multitubular heat exchanger and distillation column system including the same Dec. 9, 2008
7441591 Heatsink Oct. 28, 2008
7293423 Method and apparatus for controlling freezing nucleation and propagation Nov. 13, 2007
7111673 System for stripping and rectifying a fluid mixture Sep. 26, 2006
7044123 Highly efficient heat exchanger and combustion chamber assembly for boilers and heated air generators May. 16, 2006
6948559 Three-fluid evaporative heat exchanger Sep. 27, 2005
6793013 Polygonal heat exchange chamber including a tapered portion lined with water tube panels and method of lining a tapered portion of a polygonal heat exchange chamber with such panels Sep. 21, 2004
6627040 Device and method for removing volatile components from polymer solutions Sep. 30, 2003
6622786 Heat sink structure with pyramidic and base-plate cut-outs Sep. 23, 2003
6550273 Air conditioner using flammable refrigerant Apr. 22, 2003
6484798 Furnace heat exchanger Nov. 26, 2002
6470878 Furnace heat exchanger Oct. 29, 2002
6390183 Heat exchanger May. 21, 2002
6389696 Plate heat exchanger and method of making same May. 21, 2002
6386278 Cooler May. 14, 2002
6109254 Clamshell heat exchanger for a furnace or unit heater Aug. 29, 2000
6068730 Liquid distributor for evaporator May. 30, 2000
6056046 Ice-making machine and heat exchanger therefor May. 2, 2000
5906236 Heat exchange jacket for attachment to an external surface of a pump motor May. 25, 1999
5904807 Liquid distributor for an evaporator May. 18, 1999
5896918 Heat exchanger tube Apr. 27, 1999
5884501 Ice-making machine and heat exchanger therefor Mar. 23, 1999
5881565 Refrigeration system Mar. 16, 1999
5823252 Two-stage evaporator unit Oct. 20, 1998
5597035 For use with a heatsink a shroud having a varying cross-sectional area Jan. 28, 1997
5538593 Thin film flow-down type concentrating apparatus Jul. 23, 1996
5538593 Thin film flow-down type concentrating apparatus Jul. 23, 1996
5453158 Polymer devolatilizer Sep. 26, 1995
5409675 Hydrocarbon pyrolysis reactor with reduced pressure drop and increased olefin yield and selectivity Apr. 25, 1995
5353868 Integral tube and strip fin heat exchanger circuit Oct. 11, 1994
5174370 Plate evaporator Dec. 29, 1992
5130099 Method and an apparatus for the catalytic treatment of exhaust gases of internal combustion engines Jul. 14, 1992
5125069 Blood warmer Jun. 23, 1992
5099913 Tubular plate pass for heat exchanger with high volume gas expansion side Mar. 31, 1992
5060722 Furnace heat exchanger Oct. 29, 1991
5049240 Vaccum distillation system Sep. 17, 1991
5002123 Low pressure high heat transfer fluid heat exchanger Mar. 26, 1991
4953634 Low pressure high heat transfer fluid heat exchanger Sep. 4, 1990

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