Patent ID: 11933526
Assignee: GUANGDONG MEIZHI COMPRESSOR CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. The compressor according to claim 1, wherein:
the plurality of ports comprise a first port, a second port, a third port and a fourth port;
the first port is selectively communicated with one of the second port and the third port;
the fourth port is selectively communicated with the third port;
the first port is communicated with the exhaust side;
the third port is communicated with the suction side; and
when the first port is communicated with the second port and the third port is communicated with the fourth port, the exhaust side is configured to exhaust air to the external parts through the second port and the suction side is configured to suck air to the external parts through the fourth port.