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Ceramic coated automotive heat exchanger components

A technology for heat exchangers and ceramic coatings, which can be applied to heat exchange equipment, vehicle parts, coatings, etc., and can solve problems such as large size and labor-intensive

Inactive Publication Date: 2016-07-27
HENKEL KGAA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the sprayed aerosol droplets are heavier than air and are significantly larger in size, at about 40-100 microns, they cannot travel effectively and far enough to reach the interior of the evaporator or the entire ventilation system
None of these solutions can be designed to deal with microbes and contaminants on interior compartment surfaces, and both are labor intensive due to the continuous operation required to depress the switch on the aerosol can to release its contents

Method used

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  • Ceramic coated automotive heat exchanger components
  • Ceramic coated automotive heat exchanger components

Examples

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Embodiment 1

[0119] Comparative sample 1

[0120] Methods for preparing protective coatings on heat exchanger components using non-chromate chemical conversion methods are known in the art. For example, U.S. Patent No. 7,353,863, Serial No. 10 / 844,610 to Denso Corporation, issued April 2008 (incorporated herein by reference) uses a non-chromate conversion method in which the heat exchanger is pretreated with an etchant comprising an aqueous base solution. The etched substrate is then chemically converted or treated to increase hydrophilicity. The aluminum base of the heat exchanger, comprising a plurality of magnesium-containing aluminum alloy fins and tubes connected to each other by vacuum welding, is contacted with an aqueous pretreatment liquid. This pretreated substrate was subjected to an etching process using an aqueous alkaline solution in the manner shown below, and then to a descaling (pickling) process in the manner shown below. The etched substrate was then subjected to a non...

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Abstract

A ceramic coated automotive heat exchanger component and a method for making the ceramic coated automotive heat exchanger component by creating porous metal oxide coatings on an aluminum surface of the heat exchanger component by plasma electrochemical deposition of a metal oxide on the aluminum surface and layering an odor neutralization agent on the porous metal oxide ceramic coatings to form an odor remediation ceramic coating on the heat exchanger.

Description

[0001] This application is a divisional application of a patent application with a filing date of April 1, 2010, an international application number of PCT / US2010 / 029608, and a Chinese national application number of 201080024067.9. technical field [0002] The present application relates to a method for coating an automotive heat exchanger element with a metal oxide ceramic coating by means of an electrochemical deposition method and to a ceramic-coated automotive heat exchanger element produced by the method. Background technique [0003] This section provides background information that is not necessarily prior art that is not necessarily prior art to the subject matter of this application. [0004] Conventional heat exchangers of most designs have heat exchange tubes and fins comprising aluminum or aluminum alloys in order to maximize the surface area of ​​the heat dissipation and cooling portions to obtain excellent heat dissipation or cooling effects in a limited space. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F19/06C25D11/06C25D11/24C23C28/00
CPCC23C28/042C25D11/024C25D11/026C25D11/06C25D11/24F28F19/06A61L9/205B60H3/0085C04B35/62222C25D11/04C25D11/36F28F19/02F28F21/084F28F2265/20Y02T50/60
Inventor C·麦克德莫特J·阿莫斯R·申贝卡S·E·多兰
Owner HENKEL KGAA
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