UNDERGROUND HEAT EXCHANGER - BRIDGESTONE CORP

Title:

UNDERGROUND HEAT EXCHANGER

Document Type and Number:

Japanese Patent JP2014005978

Kind Code:

A

Abstract:

To provide an underground heat exchanger having high heat conductivity and including a filling material that can be readily filled.

The underground heat exchanger includes: a first cylindrical housing 11; a second cylindrical housing 12 installed on a radial outside of the first cylindrical housing 11; a first heat medium pipe 21 held between the first cylindrical housing 11 and the second cylindrical housing 12; a second heat medium pipe 22 connected to one end of the first heat medium pipe 21 and inserted on a radial inside of the first cylindrical housing 11; a filling material 14 comprising an SiC mortar and filled between the first cylindrical housing 11, the second cylindrical housing 12 and the first heat medium pipe 21; and a heat insulating material arranged on the radial inside of the first cylindrical housing 11 and around the second heat medium pipe 22.

Inventors:

KASHIWAGI TETSUYA

Application Number:

JP2012141119A

Publication Date:

January 16, 2014

Filing Date:

June 22, 2012

Export Citation:

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Assignee:

BRIDGESTONE CORP

International Classes:

F28D15/02; F24J3/08; F28D7/02; F28D20/00

Attorney, Agent or Firm:

Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda

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