- Patent Title: Heat exchanger including fins with surface having bactericidal activity, metallic member with surface having bactericidal activity, method for inhibiting mold growth and sterilization method both using surface of fins of heat exchanger or surface of metallic member, and electrical water boiler, beverage supplier, and lunch box lid all including metallic member
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Application No.: US15502046Application Date: 2015-07-10
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Publication No.: US10107574B2Publication Date: 2018-10-23
- Inventor: Miho Yamada , Kiyoshi Minoura , Takahiro Nakahara , Kouji Kusumoto
- Applicant: Sharp Kabushiki Kaisha
- Applicant Address: JP Osaka
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Osaka
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2014-161834 20140807; JP2015-125804 20150623
- International Application: PCT/JP2015/069885 WO 20150710
- International Announcement: WO2016/021367 WO 20160211
- Main IPC: F28F13/18
- IPC: F28F13/18 ; F28F19/02 ; A47J31/44 ; C25D11/24 ; C25D11/12 ; B65D81/24
Abstract:
A heat exchanger includes a fin, the fin including a metal base and a porous anodized layer formed on the metal base. A surface of the porous anodized layer has a submicron-order uneven structure, the uneven structure including a plurality of recessed portions whose two-dimensional size viewed in a normal direction of the surface is more than 100 nm and less than 500 nm.
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