REFRIGERANT PATH SWITCHING UNIT AND REFRIGERATION DEVICE WITH REFRIGERANT PATH SWITCHING UNIT

Title:

REFRIGERANT PATH SWITCHING UNIT AND REFRIGERATION DEVICE WITH REFRIGERANT PATH SWITCHING UNIT

Document Type and Number:

WIPO Patent Application WO/2015/087740

Kind Code:

A1

Abstract:

A BS unit (70) is provided between an outdoor unit (110) and an indoor unit (120) and comprises a first part (R1), a second part (R2), a third part (R3), a liquid connection unit (73), a first electrically operated valve (Ev1), and a second electrically operated valve (Ev2). The first part (R1) is connected to a suction gas connection pipe (12). The second part (R2) is connected to a high-low pressure gas connection pipe (13). The third part (R3) is connected to the first part (R1), the second part (R2), and a gas pipe (GP) which extends to the indoor unit (120). The liquid connection unit (73) has one end connected to a liquid connection pipe (11) and has the other end connected to a liquid pipe (LP). The first electrically operated valve (Ev1) is provided to the first part (R1). The second electrically operated valve (Ev2) is provided to the second part (R2). The second electrically operated valve (Ev2) has formed therein a minute flow path (rp) through which a refrigerant flows even if the degree of opening of the second electrically operated valve (Ev2) is the smallest.

Inventors:

EGUCHI AKIHIRO
KAMITANI SHIGEKI

Application Number:

PCT/JP2014/081837

Publication Date:

June 18, 2015

Filing Date:

December 02, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

DAIKIN IND LTD (JP)

International Classes:

F24F1/32; F25B5/02; F25B41/00; F25B41/04

Foreign References:

JP2008039276A	2008-02-21
JP2012087841A	2012-05-10
JP2010286129A	2010-12-24
JP2008039276A	2008-02-21

Other References: