Patent ID: 7841844
Filing Date: 2010-11-30
Classification: F04B

Abstract:
1. A refrigerant suction guide comprising: a cylinder; a piston having an interior space and a longitudinal axis; a plurality of suction channels in the piston through which refrigerant passes from the interior space of the piston into the cylinder, the plurality of suction channels each having a first end and a second end, the second end being parallel to the first end; a suction valve to open and close the plurality of suction channels; and the plurality of suction channels each having an axis passing through the center of the first end and the center of the second end, wherein the plurality of suction channels are formed in an edge portion of the piston, the suction valve being fixed in a center portion of the piston, wherein the plurality of suction channels are parallel to one another, and the axes of the suction channels are non-parallel to the piston longitudinal axis so as to be inclined toward an edge portion of the suction valve as the suction channel extends from the piston interior space.