Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/005424
Kind Code:
A1
Abstract:
A refrigeration cycle device (100) comprises a refrigerant circuit (1), an injection pathway (22), and a control device (30). The refrigerant circuit (1) includes an upstream side throttle device (14, 18), a gas-liquid separator (16), and a downstream side throttle device (18, 14). The injection pathway (22) is provided with a heater (24). The control device (30) performs an intermediate pressure control operation in which at least one of the opening degrees of the upstream side throttle device and the downstream side throttle device is adjusted so that the temperature difference between the gas-liquid separation temperature detected by an intermediate pressure temperature sensor (26) and the injection temperature detected by an overheat-degree temperature sensor (28) becomes smaller than a predetermined value, after which the opening degree of the downstream side throttle device is increased until the gas-liquid separation temperature is decreased by a predetermined temperature from the detected temperature.
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Inventors:
KOSUDA OSAMU
KAKUWA TAKASHI
OKAICHI ATSUO
OKUMURA TAKUYA
TANIGUCHI KAZUHIRO
KAKUWA TAKASHI
OKAICHI ATSUO
OKUMURA TAKUYA
TANIGUCHI KAZUHIRO
Application Number:
PCT/JP2012/004313
Publication Date:
January 10, 2013
Filing Date:
July 03, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
KOSUDA OSAMU
KAKUWA TAKASHI
OKAICHI ATSUO
OKUMURA TAKUYA
TANIGUCHI KAZUHIRO
KOSUDA OSAMU
KAKUWA TAKASHI
OKAICHI ATSUO
OKUMURA TAKUYA
TANIGUCHI KAZUHIRO
International Classes:
F25B1/00; F25B13/00
Foreign References:
| JP3317170B2 | 2002-08-26 | |||
| JPH05302767A | 1993-11-16 | |||
| JPH0633910B2 | 1994-05-02 | |||
| JP2009180427A | 2009-08-13 | |||
| JP2010223542A | 2010-10-07 | |||
| JP3317170B2 | 2002-08-26 |
Other References:
See also references of EP 2730859A4
Attorney, Agent or Firm:
KAMADA, Koichi et al. (JP)
Koichi Kamata (JP)
Koichi Kamata (JP)
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Claims: