Title:
REFRIGERANT FLOW PATH SWITCHING UNIT
Document Type and Number:
WIPO Patent Application WO/2012/008148
Kind Code:
A1
Abstract:
A refrigerant flow path switching unit is provided with a flow path switching valve (51) comprising a first valve seat (52) and a movable valve element (56). In the first valve seat (52), first to third connection ports (A, B, C) are formed. In the movable valve element (56), a through-hole (57) is formed. The flow path switching valve (51) causes the first and second connection ports (A, B) to communicate with each other via the through-hole (57) in an air cooling state, and causes the first and third connection ports (A, C) to communicate with each other via a main body space (55a) during an air heating operation.
Inventors:
KOJIMA MAKOTO (JP)
OKUDA NORIYUKI (JP)
SETOGUCHI TAKAYUKI (JP)
OKUDA NORIYUKI (JP)
SETOGUCHI TAKAYUKI (JP)
Application Number:
PCT/JP2011/003990
Publication Date:
January 19, 2012
Filing Date:
July 12, 2011
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
KOJIMA MAKOTO (JP)
OKUDA NORIYUKI (JP)
SETOGUCHI TAKAYUKI (JP)
KOJIMA MAKOTO (JP)
OKUDA NORIYUKI (JP)
SETOGUCHI TAKAYUKI (JP)
International Classes:
F16K11/074; F25B13/00; F25B29/00; F25B41/04
Domestic Patent References:
| WO2008069066A1 | 2008-06-12 |
Foreign References:
| JP2007315706A | 2007-12-06 | |||
| JP2010084940A | 2010-04-15 | |||
| JP2002156177A | 2002-05-31 | |||
| JP2003329153A | 2003-11-19 | |||
| JPH1151513A | 1999-02-26 |
Attorney, Agent or Firm:
MAEDA, Hiroshi et al. (JP)
Hiroshi Maeda (JP)
Hiroshi Maeda (JP)
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Claims: