Piston for compressors employed in automobile air-conditioners

Description

FIG. 1 is a front elevational view showing a piston for compressors employed in automobile air-conditioners according to a first embodiment of the present invention;

FIG. 2 is a rear elevational view showing the piston of FIG. 1;

FIG. 3 is a top plan view showing the piston of FIG. 1;

FIG. 4 is a bottom plan view showing the piston of FIG. 1;

FIG. 5 is a right side elevational view showing the piston of FIG. 1, the left side view being a mirror image thereof;

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 1;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 5;

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 5;

FIG. 9 is a perspective view showing the piston of FIG. 1;

FIG. 10 is a front elevational view showing a piston for compressors employed in automobile air-conditioners according to a second embodiment of the present invention;

FIG. 11 is a rear elevational view showing the piston of FIG. 10;

FIG. 12 is a top plan view showing the piston of FIG. 10;

FIG. 13 is a bottom plan view showing the piston of FIG. 10;

FIG. 14 is a right side elevational view showing the piston of FIG. 10, the left side view being a mirror image thereof;

FIG. 15 is a cross-sectional view taken along line 15--15 of FIG. 10;

FIG. 16 is a cross-sectional view taken along line 16--16 of FIG. 14;

FIG. 17 is a cross-sectional view taken along line 17--17 of FIG. 14;

FIG. 18 is a perspective view showing the piston of FIG. 10;

FIG. 19 is a front elevational view showing a piston for compressors employed in automobile air-conditioners according to a third embodiment of the present invention;

FIG. 20 is a rear elevational view showing the piston of FIG. 19;

FIG. 21 is a top plan view showing the piston of FIG. 19;

FIG. 22 is a bottom plan view showing the piston of FIG. 19;

FIG. 23 is a right side elevational view showing the piston of FIG. 19, the left side view being a mirror image thereof;

FIG. 24 is a cross-sectional view taken along line 24--24 of FIG. 19;

FIG. 25 is a cross-sectional view taken along line 25--25 of FIG. 23;

FIG. 26 is a cross-sectional view taken along line 26--26 of FIG. 23;

FIG. 27 is a perspective view showing the piston of FIG. 19; and,

FIG. 28 is a cross-sectional view showing a piston according to the present invention employed in a compressor.

The broken lines in FIG. 28 are shown for illustrative purposes only and form no part of the claimed design.