Patent ID: 7716942

Claim:
A service valve assembly, comprising: a connection body connected with a refrigerant pipe of a refrigerant circuit, and having a penetration passage through which the refrigerant flows; an opening/closing device disposed in the connection body that opens and closes the passage of the refrigerant flowing along the penetration passage; and a plurality of ports disposed at the connection body, connected with the penetration passage, and each having an open end portion to attach or remove an external apparatus thereto or therefrom, wherein the plurality of ports is connected to each other so as to bypass the refrigerant via the external apparatus attached thereto while the opening/closing device closes the penetration passage, and wherein the plurality of ports comprises: a first port that provides a passage such that the refrigerant flowing in the connection body is introduced therein; and a second port that provides a passage such that the refrigerant containing moisture and foreign materials is bypassed to the external apparatus to be then discharged therethrough.