US Patent 7930899 Accumulator of refrigeration cycle system

An accumulator is provided which is installed between a compressor and an evaporator of a refrigeration cycle system. The accumulator includes an inlet pipe through which refrigerant is introduced from the evaporator, an outlet pipe through which the evaporated refrigerant is delivered to the compressor, and a chamber which is connected to the inlet and outlet pipes and formed with a floor surface at a lower level than connecting portions of the chamber connected to the inlet and outlet pipes. Further, the inlet and outlet pipes are horizontally connected to the chamber.