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Title:
UNDERGROUND HEAT EXCHANGER, AND METHOD OF INSERTING UNDERGROUND HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2014020644
Kind Code:
A
Abstract:

To increase the degree of freedom of use of an underground heat exchanger.

An underground heat exchanger inserted into an excavation hole formed perpendicularly in the foundation includes three or more pipes having pipe axial directions along a perpendicular direction, and a flow passage connection part which is located below the three or more pipes and connects respective flow passages of the three or more pipes. While at least one of the three or more pipes is an outgoing pipe, the remaining pipes are return pipes, and the three or more pipes are arranged on the circumference of a virtual circle whose normal direction is perpendicular.


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Inventors:
KANEKO TADASHI
MAIDA YASUYUKI
MIKOTA KENJI
Application Number:
JP2012158722A
Publication Date:
February 03, 2014
Filing Date:
July 17, 2012
Export Citation:
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Assignee:
OHBAYASHI CORP
International Classes:
F24J3/08; F28D21/00
Domestic Patent References:
JP2009092350A2009-04-30
JP5867001B22016-02-24
JP2012083021A2012-04-26
JP2003302109A2003-10-24
JPS5883015U1983-06-04
Foreign References:
WO2003064915A12003-08-07
EP0582118A11994-02-09
US4715429A1987-12-29
US20100139886A12010-06-10
US7380605B12008-06-03
DE4440550A11996-05-15
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation



 
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