Ked & Associates, LLP
Rotary-type 2-stage compressor
A 2-stage rotary compressor is provided that includes a hermetic container, a rotating shaft provided in the hermetic container to transfer a rotational force, a low pressure compression assembly including a low pressure roller eccentrically rotated around a center of the rotating shaft, a low pressure cylinder that accommodates the low pressure roller, and a low pressure vane that partitions an inner space of the low pressure cylinder, a high pressure compression assembly including a high pressure roller eccentrically rotated around the center of the rotating shaft, a high pressure cylinder that accommodates the high pressure roller, and a high pressure vane that partitions an inner space of the high pressure cylinder, a connection pipe that provides a passage for the refrigerant compressed in the low pressure compression assembly to be introduced into the high pressure compression assembly, and an injection pipe connected to the connection pipe. An inner diameter of a middle portion of the connection pipe is greater than inner diameters of both end portions of the connection pipe.
LG Electronics Inc.
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Seungjun Joon-hong
Lee Park