Air flow switching type air conditioner for both cooling and heating

  • US 6,216,484 B1
  • Filed: 11/29/1999
  • Issued: 04/17/2001
  • Est. Priority Date: 06/05/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An air flow switching type air conditioner for both cooling and heating, comprising:

  • a compressor (4);

    a condenser (3);

    an evaporator (2);

    a refrigerant pipe (9) connecting the compressor, the condenser, and the evaporator;

    an air blower (10);

    a case (1) comprising an indoor side discharge port (11) and an indoor side intake port (12), both the indoor ports (11, 12) being openable towards the inside of a room, and an outdoor side discharge port (13) and an outdoor side intake port (14), both outdoor ports openable to the outside of a room and separately partitioned by partition walls (25,26);

    a heat exchange chamber (20) positioned between the indoor side discharge port and the indoor side intake port and between the outdoor side discharge port and the outdoor side intake port;

    a first damper (31) provided between the evaporator and the indoor side discharge port;

    a second damper (32) provided between the condenser and the indoor side discharge port;

    a third damper (33) provided between the indoor side intake port and the evaporator;

    a forth damper (34) provided between the indoor side intake port and the condenser;

    a fifth damper (35) provided between the outdoor side discharge port and the evaporator;

    a sixth damper (36) provided between the condenser and the outdoor side discharge port;

    a seventh damper (37) provided between the outdoor side intake port and the evaporator;

    an eighth damper (38) provided between the outdoor side intake port and the condenser;

    said dampers moveable to control flow of air through said ports ; and

    a controller connected to and arranged to individually control the opening and closing of the dampers.

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