Patent ID: 7587909

Claim:
A multi type air conditioner comprising: an outdoor unit including an outdoor heat exchanger that exchanges heat with outdoor air, a compressor that compresses a refrigerant, a first four-way valve that connects an outlet of the compressor to the outdoor heat exchanger, and a second four-way valve disposed at the outlet of the compressor in parallel with the first four-way valve; indoor units that perform at least one of a cooling operation and a heating operation; and a distributor including a low pressure pipe connected between the first four-way valve and each of the indoor units, a high pressure pipe connected between the second four-way valve and each of the indoor units, and a refrigerant pipe connected between the outer heat-exchanger and each of the indoor units, wherein the distributor is connected to the outdoor unit by the low pressure pipe, the high pressure pipe, and the refrigerant pipe.