Title:
DISCHARGE WATER HEAT RECOVERY DEVICE
Document Type and Number:
Japanese Patent JP2015142705
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a discharge water heat recovery device which is excellent in maintenance and enables efficient heat exchange between supply water and discharge water.SOLUTION: A discharge water heat recovery device 50 comprises: a connection tubular part 53 in which an inner hollow part 53A becomes a discharge water channel 51; and a main body tubular part 54 which is disposed while a supply water channel 52 faces an inner peripheral surface 54B, and in which a space 54A inside the supply water channel becomes the discharge water channel. The connection tubular part is connected to both ends in a shaft direction of the main body tubular part. An inner diameter D3 of the main body tubular part is formed so that an inner diameter D2 of the discharge water channel formed inside the supply water channel arranged in a spiral shape and an inner diameter D1 of the connection tubular part become substantially the same.
Inventors:
MOTOTSUNE MIKIO
TAMEISHI YOSHIMASA
TOGA KEIICHI
TSUMORI MAMORU
KOBAYASHI KENJI
EBITA HIROSHI
TAMEISHI YOSHIMASA
TOGA KEIICHI
TSUMORI MAMORU
KOBAYASHI KENJI
EBITA HIROSHI
Application Number:
JP2014110534A
Publication Date:
August 06, 2015
Filing Date:
May 28, 2014
Export Citation:
Assignee:
HOSHIZAKI ELECTRIC CO LTD
International Classes:
A47L15/42
Domestic Patent References:
| JP2012047407A | 2012-03-08 | |||
| JP2013234766A | 2013-11-21 | |||
| JPH10115459A | 1998-05-06 |
Foreign References:
| US5660193A | 1997-08-26 | |||
| US4202406A | 1980-05-13 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Makoto Takaguchi
Yoshiki Kuroki
Makoto Takaguchi