发明申请
- 专利标题： HEAT EXCHANGER GROOVED TUBE
- 专利标题（中）： 热交换器粗管
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申请号： US13057304申请日： 2009-07-28
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公开(公告)号： US20110132589A1公开(公告)日： 2011-06-09
- 发明人: Shun Yoshioka , Hirokazu Fujino , Haruo Nakata , Yoshio Oritani
- 申请人： Shun Yoshioka , Hirokazu Fujino , Haruo Nakata , Yoshio Oritani
- 优先权： JP2008-200582 20080804
- 国际申请： PCT/JP2009/003554 WO 20090728
- 主分类号： F28F1/40
- IPC分类号： F28F1/40
摘要：
A heat exchanger grooved tube is made of a copper alloy having a 0.2% proof stress of greater than or equal to 40 N/mm2, and the relationship among the fin width b, the number N of fins (3), and the root thickness t is represented by 8