Invention Grant
- Patent Title: Air conditioner with internally grooved heat exchanger tubes optimized for an indoor heat exchanger and an outdoor heat exchanger
-
Application No.: US12680602Application Date: 2008-11-27
-
Publication No.: US09664455B2Publication Date: 2017-05-30
- Inventor: Sangmu Lee
- Applicant: Sangmu Lee
- Applicant Address: JP Chiyoda-Ku, Tokyo
- Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee Address: JP Chiyoda-Ku, Tokyo
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: JP2007-307483 20071128
- International Application: PCT/JP2008/071492 WO 20081127
- International Announcement: WO2009/069679 WO 20090604
- Main IPC: F25B1/00
- IPC: F25B1/00 ; F28F1/40 ; B21D53/08 ; F25B39/00 ; F28F1/32 ; F28F1/42 ; F28F1/10
Abstract:
A heat exchanger is constituted by an indoor machine equipped with an indoor heat exchanger constituted by a plurality of heat transfer tubes, which have spiral grooves formed with a predetermined lead angle on inner faces of the tubes and are made to pierce a plurality of fins, and an outdoor machine equipped with an outdoor heat exchanger constituted by a plurality of heat transfer tubes which have a lead angle of spiral grooves smaller than that of a heat transfer tubes used for the indoor heat exchanger and are made to pierce a plurality of fins.
Public/Granted literature
- US20100218533A1 AIR CONDITIONER Public/Granted day:2010-09-02
Information query
