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JP4850810B2 |
An aluminum alloy heat exchanger resistive to impregnation of tobacco odor includes a base body of an aluminum alloy heat exchanger and an organic hydrophilic coating layer formed on the surface of the heat exchanger base body, and inclu...
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JP2012002491A |
To provide a long-life heat exchanger having improved heat conductivity, which prevents generation and adhesion of scales.The heat exchanger 10 includes throttling channels 37 and 47 smaller in flow sectional area than other channels are...
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JP4847362B2 |
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JP4842321B2 |
The device has a mobile rotary element (3) and a fixed bearing-forming element (2) solidly connected to an upstream end of a tube (1). The mobile element comprises an upstream trunnion-forming part (4) and a downstream turbulence-generat...
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JP4840934B2 |
A method for treating water in a closed cooling system, having a pH of at least 7 and a temperature of at least 25°C, by adding a composition comprising 2-methyl-4-isothiazolin-3-one; wherein the composition is substantially free of non...
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JP4834513B2 |
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JP4832354B2 |
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JP4833264B2 |
A non-aqueous, reduced toxicity polyhydric alcohol based heat transfer fluid is provided comprised of at least one polyhydric alcohol that acts as an ADH enzyme inhibitor, such as for example propylene glycol, thereby reducing the toxici...
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JP2011242100A |
To provide a cooling tower that prevent growth of waterweeds in and around a cooling tower.The cooling tower 30 has an outside-air suction port 12 formed in a cooling tower body 11, and an air-permeable sheet 31 which blocks the sunlight...
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JP2011241448A |
To provide an aluminum alloy clad material which has sufficient corrosion resistance even in a high-temperature and alkaline environment and causes no through pitting corrosion at an early stage.The aluminum alloy clad material has a cor...
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JP4827362B2 |
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JP4824448B2 |
To provide a cooling apparatus improving efficiency of heat exchange between a heating medium and water by suppressing the generation of bacteria and a water scale, and slime. In a cooling tower 1, the heating medium is cooled by making ...
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JP2011237089A |
To prevent attachment of marine organism to cooling ezuipment of a power generation plant using seawater taken-in from an intake.This device 40 for preventing the attachment of the marine organism includes: a seawater pump 41 taking the ...
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JP4818003B2 |
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JP4812252B2 |
A non-aqueous, reduced toxicity polyhydric alcohol based heat transfer fluid is provided comprised of at least one polyhydric alcohol that acts as an ADH enzyme inhibitor, such as for example propylene glycol, thereby reducing the toxici...
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JP4805977B2 |
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JP4807076B2 |
A heat exchanger tube 41 includes: a first cover layer 44 provided on an outer side of a tube main body 42 to partly or completely cover a tube main body 42; and a second cover layer 45 provided on an outer side of the first cover layer ...
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JP4807826B2 |
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JP4799151B2 |
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JP4800261B2 |
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JP4796362B2 |
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JP2011202819A |
To enable maintenance of a pump and a heat exchanger without increasing running cost and performing complicated preparation work.A liquid storage tank 2 includes lid bodies 22-24 closing an upper face opening 25 of a container body 21 st...
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JP4791237B2 |
To provide a cooling water treatment apparatus for sterilizing algae and bacteria by silver ions while suppressing a maintenance cost and certainly suppressing a growth of hard scales. The cooling water treatment apparatus is equipped wi...
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JP4781504B2 |
Disclosed are means for improving the service-life of indirect tubesheet type heat exchangers used in chemical reactors, particularly those exposed to reducing, nitridizing and/or carburizing environments. Such means include the use of c...
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JP2011184606A |
To provide a coating film which is used for covering an article exposed to water, such as a heat exchanger of an air conditioner, and is excellent in antifouling performance, deodorization performance, initial hydrophilic property, and c...
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JP2011183392A |
To provide a method for treating a system of water, particularly a system of circulation water which is contaminated by a biofilm containing a fixable microorganism, and to provide a composition.The method includes formation of a boron a...
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JP4777119B2 |
To provide a method for manufacturing an aluminum heat exchanger which achieves the sufficient joinability of an aluminum member by Zn-based solder and can suppress the preferential corrosion of a junction and the occurrence and growth o...
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JP4773780B2 |
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JP4771393B2 |
Methods and apparatus for processing and cooling a hot gaseous stream exiting a gasification reactor vessel at temperatures in excess of 1300° C. where the gas will come into contact with a corrosive aqueous liquid, including methods an...
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JP2011174649A |
To provide a stacked heat exchanger and its manufacturing method, having superior corrosion resistance to water, and suppressing degradation of heat exchange efficiency.This stacked heat exchanger is equipped with: a metallic pipe 47 for...
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JP2011174634A |
To provide a surface treatment method of a heat transfer tube and its structure, the heat transfer tube of low costs, and having superior adhesion properties and weatherproof properties even under high temperature environment.This surfac...
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JP4769112B2 |
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JP4763023B2 |
The invention relates to a Distance Ring flange used for a heat exchanger, mounted on a flow-in hole or a discharge hole of a plate heat exchanger and combined with a sensor, capable of preventing erosion caused by fluid passing through ...
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JP2011163623A |
To provide a technique capable of preventing scale with respect to a metal pipe surface constituting cooling water piping etc. in a more versatile approach.When a metal member is a copper pipe for a heat exchanger in which cooling water ...
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JP2011163649A |
To suppress decline in heat transfer efficiency in a heat exchanger having a heat transfer pipe to which corrosion protective coating treatment is applied.The heat exchanger includes: the heat transfer pipe having a hairpin 20 and a U-be...
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JP2011163715A |
To provide an aluminum fin material for a heat exchanger suitably used in an outdoor unit of an air conditioner and the like having superior water repellency and corrosion resistance as a thinned precoating material.This aluminum fin mat...
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JPWO2009131072A1 |
Even if the fins and the heat transfer tube are made of an aluminum material, the pressure loss in the heat transfer tube does not increase, and a heat exchanger or the like having a heat transfer performance equal to or higher than that...
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JP2011153745A |
To provide a surface treatment method for a heat exchanger, which efficiently suppresses odor specific to flux generated along with degradation of a hydrophilic coating film and a chemical conversion coating film in a non-corrosive flux ...
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JP2011153823A |
To provide a heat exchanger providing heat transfer performance of the same or more than a copper tube without increasing an internal pressure loss of heat transfer tubes, even when a fin and the heat transfer tubes are composed of an al...
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JP2011153341A |
To provide a method for enhancing the rustproof property of an NB (Nocolock (R)-Brazed) heat exchanger even when any flux residue is present on a surface of an aluminum fin or the like constituting the NB heat exchanger.In the rustproof-...
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JP2011523016A |
The invention relates to a heat exchanger block (1) including a heat exchanger (4, 41, 42) which is arranged between an inflow surface (2) and an outflow surface (3) so that a transport fluid (5) can be supplied via the inflow surface (2...
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JP4737823B2 |
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JP4737489B2 |
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JP4738111B2 |
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JP4735369B2 |
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JP4737272B2 |
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JP4736847B2 |
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JP4722422B2 |
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JP4725513B2 |
With respect to open circulatory cooling water systems, the metal corrosion and scale fault can be simultaneously prevented. There is provided a method of treating cooling water, comprising adding a calcium carbonate precipitation inhibi...
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JP4722060B2 |
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