Title:
UNDERGROUND HEAT EXCHANGER
Document Type and Number:
Japanese Patent JP2010145021
Kind Code:
A
Abstract:
To provide a constitution for preventing formation of a clearance between an outer peripheral face of a pipe member and the soil after moisture is frozen on the outer peripheral face, in an underground heat exchanger constituted to exchange heat between a heat exchanged-fluid flowing inside of the pipe member and the soil.
A hydrophilic particle holding layer (21) for holding particles in the soil, is formed on an outer surface of the pipe member (11).
COPYRIGHT: (C)2010,JPO&INPIT
Inventors:
KAWABATA KATSUHIRO
TANIMOTO KEISUKE
ASAI HIDEAKI
TANIMOTO KEISUKE
ASAI HIDEAKI
Application Number:
JP2008323375A
Publication Date:
July 01, 2010
Filing Date:
December 19, 2008
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F28F13/18; F25B30/06; F28D21/00
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura