Patent ID: 8650898

Claim:
An air conditioner, comprising an evaporator, a condenser, a compressor, a liquid pump, a liquid accumulator, a first ON/OFF control valve element, a first flow directional control valve element, a second ON/OFF control valve element, a second flow directional control valve element, a throttling device, a liquid pump bypass pipe with a third flow directional control valve element, and a compressor bypass pipe with a fourth flow directional control valve element; wherein an inlet of the compressor is coupled to an outlet of the evaporator via the first ON/OFF control valve element, and an outlet of the compressor is coupled to an inlet of the condenser via the first flow directional control valve element; wherein an inlet of the liquid pump is coupled to an outlet of the liquid accumulator via the second ON/OFF control valve element, and an outlet of the liquid pump is coupled to an inlet of the throttling device via the second flow directional control valve element; wherein an outlet of the condenser is coupled to an inlet of the liquid accumulator, and an outlet of the throttling device is coupled to an inlet of the evaporator; wherein an inlet of the compressor bypass pipe is coupled to the outlet of the evaporator, an outlet of the compressor bypass pipe is coupled to the inlet of the condenser, an inlet of the liquid pump bypass pipe is coupled to the outlet of the liquid accumulator, and an outlet of the liquid pump bypass pipe is coupled to the inlet of the throttling device.