发明名称 AIR-CONDITIONING UNIT AND AIR-CONDITIONING UNIT FOR RAILWAY VEHICLE
摘要 <p>An air-conditioning apparatus includes a compressor 1, a four-way valve 3, expansion means 5, and an indoor heat exchanger 7, and further includes a check valve 2 disposed between a discharge side of the compressor 1 and the four-way valve 3, a first solenoid valve 6 disposed between the expansion means 5 and the indoor heat exchanger 7, and a controller 9. Opening and closing of the first solenoid valve 6 are controllable. The controller 9 switches the four-way valve 3 and switches the first solenoid valve 6 between open and closed states. When a heating operation is stopped, the controller 9 switches the four-way valve 3 from connection for the heating operation to connection for a cooling operation, closes the first solenoid valve 6, and then stops the compressor 1.</p>
申请公布号 EP2811241(A1) 申请公布日期 2014.12.10
申请号 EP20120867535 申请日期 2012.02.02
申请人 MITSUBISHI ELECTRIC CORPORATION 发明人 MIZOBATA, JUNPEI;SHINGU, WAHEI;YANO, KENJI;NAGATA, ATSUSHI
分类号 F25B13/00;F25B1/00 主分类号 F25B13/00
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