Piston for compressors employed in automobile air-conditioners
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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; and,
FIG. 19 is a cross-sectional view showing a piston according to the present invention employed in a compressor.
The broken lines in FIG. 19 are shown for illustrative purposes only and form no part of the claimed design.
Type: Grant
Filed: Aug 12, 1999
Date of Patent: Jul 4, 2000
Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho (Aichi-Ken)
Inventors: Masahiro Yokota (Kariya), Fuminobu Enokijima (Kariya)
Primary Examiner: Ralf Seifert
Law Firm: Morgan & Finnegan, L.L.P.
Application Number: 0/109,282