Title:
ICE-MAKER
Document Type and Number:
Japanese Patent JP2019078469
Kind Code:
A
Abstract:
To quickly cool an ice-making unit to low temperature until ice-making water is delivered to the ice-making unit after closing a hot gas valve, in an ice-maker configured to ice-making operation and ice removal operation.SOLUTION: An ice-maker 10 is configured to alternately repeatedly execute the ice-making operation of freezing ice-making water, delivered by water delivery pump 25, by an ice-making unit 11 to make ices, and the ice removal operation of, after the ice-making operation, opening a hot gas valve 36, delivering to the evaporator 34 hot gas refrigerant delivered from the compressor 31, heating the ice-making unit 11, and separating ices from the ice-making unit 11. A controller is configured to, after separating ices from the ice-making unit 11 in the ice removal operation and then closing the hot gas valve 36, and before causing the water delivery pump 25 to start delivering ice-making water to the ice-making unit 11 in the ice-making operation, control opening of an electronic expansion valve 33 so as to become smaller than an intermediate value between a maximum value and a minimum value.SELECTED DRAWING: Figure 1
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Inventors:
KOBAYASHI KENJI
TAMEISHI YOSHIMASA
KAGEYAMA KAZUYUKI
ISHIHARA MICHIHARU
KADOWAKI SHIZUMA
TAMEISHI YOSHIMASA
KAGEYAMA KAZUYUKI
ISHIHARA MICHIHARU
KADOWAKI SHIZUMA
Application Number:
JP2017205869A
Publication Date:
May 23, 2019
Filing Date:
October 25, 2017
Export Citation:
Assignee:
HOSHIZAKI CORP
International Classes:
F25C1/25; F25B1/00; F25C5/10; F25D11/00
Domestic Patent References:
| JP2017141985A | 2017-08-17 | |||
| JPH094950A | 1997-01-10 | |||
| JP2008133976A | 2008-06-12 |
Attorney, Agent or Firm:
Teruichi Hase
Yusuke Nagai
Yusuke Nagai