GAS COMPRESSOR Russian patent published in 2005 - IPC

FIELD: refrigeration industry; cooling installations components.

SUBSTANCE: the invention is dealt with the field of cooling installations equipment and may be used for production of air conditioning systems. The gas compressor contains a body and located in it two driving and two driven pistons. The body is made out of two hemispheres and contains two gaskets made out of an antifriction heat-insulating elastic-flexible material. Each piston is made in the form of ball-type sectors, on a spherical surface of each of which there is an elastic member. An aperture angle of lateral surfaces of the sectors of the driving pistons makes 86° - 90°, and an aperture angle of the lateral surfaces of the sectors of the driven pistons makes 42°-83°. A groove is made radial with trapezoidal cross-section and oriented perpendicularly to axes of the shaft of the compressor. The bases of the cross-section are in ratio of 1:2 - 1:5, and a lateral side is equal to the length of the smaller base. The elastic member is located on the bottom of each groove and its cross-section is an ellipse. The bigger diameter of the ellipse by 3-7 % is more than the length of the centerline of the trapezoidal cross-section of such a groove. On the elastic member there is the second elastic member of a rectangular cross section, the width of which by 2-5 % exceeds the length of the smaller base of the groove, and its length ensures formation of a ledge on the ball-type surface of the piston, the height of which makes 1-3 % of the smaller base of the groove. The invention allows to increase efficiency of the gas compressor.

EFFECT: the invention ensures increased efficiency of the gas compressor.

6 dwg