Title:
空気調和機の起動制御システム及びその制御方法
Document Type and Number:
Japanese Patent JP3574447
Kind Code:
B2
Abstract:
A system includes a compressor and an expansion valve. The exit side of the compressor and the inlet side of the expansion valve are connected by a high pressure conduit, and the exit side of the expansion valve and the inlet side of the compressor are connected by a low pressure conduit. A bypass conduit is connected to the high pressure conduit and the low pressure conduit and a flow rate regulating valve is mounted on the bypass conduit. A control unit controls the expansion valve and the flow rate regulating valve to perform two starting operations in such a way that the flow rate regulating valve is open and the expansion valve is closed in a first starting operation, and the flow rate regulating valve is closed and the electronic expansion valve is open to a predetermined extent in a second starting operation. The compressor is controlled by a duty control signal having a period shorter than a period during a normal operation for starting operations.
Inventors:
June Ki Moon
Yang Man Kim
Jun Min Lee
Choi Myung Moon
John Yup Kim
Il Yong Cho
Yang Man Kim
Jun Min Lee
Choi Myung Moon
John Yup Kim
Il Yong Cho
Application Number:
JP2002502363A
Publication Date:
October 06, 2004
Filing Date:
January 05, 2001
Export Citation:
Assignee:
Samsung Electronics Company Limited
International Classes:
F24F11/02; F04C23/00; F04C27/00; F04C28/06; F04C28/26; F24F11/00; F25B1/00; F25B41/04; F25B41/06; F25B49/02; F04C18/02; F25B1/04; F25B5/02; (IPC1-7): F25B1/00
Domestic Patent References:
| JP6341720A | ||||
| JP61280350A | ||||
| JP8334094A | ||||
| JP10213355A | ||||
| JP8219566A | ||||
| JP2230056A | ||||
| JP11351681A | ||||
| JP62201354U |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Takashi Watanabe