Title:
Thermal energy storage including extended space
Document Type and Number:
Japanese Patent JP5914768
Kind Code:
B2
Abstract:
An arrangement for storing thermal energy, including a shaft (1) and at least one tunnel (2), the shaft (1) and the tunnel (2) being in fluid communication with each other. The tunnel (2) includes at least a first (2a), a second (2b), and a third (2c) tunnel section. The second tunnel section (2b) is arranged between and connected to the first (2a) and third (2c) tunnel sections. The second tunnel section (2b) is sealed off at an end (4) connected to the third tunnel section (2c), and the third tunnel section is further connected the shaft (1). The shaft (1) and first (2a) and third (2c) tunnel sections hold fluid for thermal storage. The second tunnel section (2b) is an expansion space should a volume of the fluid expand beyond a volume of the shaft (1) and the first (2a) and third (2c) tunnel sections.
Inventors:
Pireblo, Hans
Application Number:
JP2015540638A
Publication Date:
May 11, 2016
Filing Date:
November 01, 2013
Export Citation:
Assignee:
SKANSKA SVERIGE AB
International Classes:
B65G5/00; F28D20/00
Domestic Patent References:
| JP54128818A | ||||
| JP2001193897A | ||||
| JP2002194760A | ||||
| JP2020799B2 | ||||
| JP38021938B1 | ||||
| JP3648669B2 |
Foreign References:
| US20120132393 | ||||
| US4008709 | ||||
| US3939356 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Atsushi Honda
Hironobu Onda
Atsushi Honda