Invention Grant
- Patent Title: Working medium for absorption refrigerators, and absorption refrigerator using the same
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Application No.: US14850016Application Date: 2015-09-10
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Publication No.: US09695348B2Publication Date: 2017-07-04
- Inventor: Katsumi Mabuchi , Tatsuo Fujii , Nobuyuki Takeda
- Applicant: HITACHI, LTD. , HITACHI APPLIANCES, INC.
- Applicant Address: JP Tokyo
- Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
- Current Assignee: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
- Current Assignee Address: JP Tokyo
- Agency: Volpe and Koenig, P.C.
- Priority: JP2014-184804 20140911
- Main IPC: C09K5/04
- IPC: C09K5/04 ; F25B21/02

Abstract:
Provided is a working medium of the present invention for absorption refrigerators is a mixture that is to contact a carbon steel or a copper alloy that is a structural material of any one of the absorption refrigerators, and includes water and 1,4-dioxane, and further includes a corrosion inhibitor. The corrosion inhibitor includes one or more selected from the group consisting of respective hydroxides of any alkali metal and any alkaline earth metal, and respective oxoates. Thus, corrosion of the structural material of the absorption refrigerator can be restrained.
Public/Granted literature
- US20160075928A1 WORKING MEDIUM FOR ABSORPTION REFRIGERATORS, AND ABSORPTION REFRIGERATOR USING THE SAME Public/Granted day:2016-03-17
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