Title:
地中熱交換器及びそれを備えた空調システム
Document Type and Number:
Japanese Patent JP4636205
Kind Code:
B2
Abstract:
A heat-transfer pipe (12) is formed so as to extend from a top portion of an outer pipe (11) and to be bent at a bottom portion of the outer pipe (11) to return to the top portion, and is arranged such that at least a portion thereof contacts an inner circumferential surface of the outer pipe (11). The heat-transfer pipe (12) is configured to allow fluid to be heat-exchanged to flow thereinside in opposite directions in heating operation and cooling operation.
Inventors:
Hideaki Asai
Katsuhiro Kawabata
Keisuke Tanimoto
Katsuhiro Kawabata
Keisuke Tanimoto
Application Number:
JP2009250877A
Publication Date:
February 23, 2011
Filing Date:
October 30, 2009
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F24J3/08; F24F3/00; F28D21/00
Domestic Patent References:
| JP2005048972A | ||||
| JP2004332969A | ||||
| JP2003014385A |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura