Title:
地下熱採取ユニット
Document Type and Number:
Japanese Patent JP4316424
Kind Code:
B2
Abstract:
To provide a small underground heat sampling device with heat exchange pipes and a lifting pump into one unit.
The plurality of U-bent heat exchange pipes 2 are cylindrically combined, and the pipes each have one end connected to a circular liquid tank 3 on the upper part of the unit and the other end connected to the lower part of a pump chamber cylinder 5 extending downward through the center of the liquid tank. An air-lift pump 9 is stored in the pump chamber cylinder 5. The heat exchange pipes 2 are peripherally covered with a screen 11 and installed in a hole formed in a ground surface so that the heat exchange pipes 2 can be immersed in ground water 12.
COPYRIGHT: (C)2006,JPO&NCIPI
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Inventors:
Kuniaki Sakurai
Katsuhiko Koyama
Yasuhiro Ohba
Motoo Yoshio
Katsuhiko Koyama
Yasuhiro Ohba
Motoo Yoshio
Application Number:
JP2004157170A
Publication Date:
August 19, 2009
Filing Date:
May 27, 2004
Export Citation:
Assignee:
Tadashi Tsunoda
Kameyama Iron Works Co., Ltd.
Kameyama Iron Works Co., Ltd.
International Classes:
E01C11/26; F24J3/08; F24F5/00; F25B30/06; F28D21/00
Domestic Patent References:
| JP59116774U | ||||
| JP4134507U |
Attorney, Agent or Firm:
Yoshiaki Satake