Compressor cylinder block and cylinder head distortion prevention
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United States of America Patent
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Jul 7, 2015
Grant Date -
Apr 19, 2012
app pub date -
Sep 15, 2011
filing date -
Oct 14, 2010
priority date (Note) -
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Abstract
There is provided a compressor including a hermetic container storing therein a lubricant, an electric element, and a compression element driven by the electric element, the compression element including a crankshaft, a bearing portion, a cylinder block, a piston, and a joining portion, wherein a cylinder head is tightened and fixed together with a valve component by a bolt to an opening surface side of a compression chamber formed by a cylinder bore and the piston, and a screw hole portion formed in the opening surface side, for fixing the bolt includes a counterbore extending to the vicinity of a boundary between the cylindrical portion and the tapered portion.
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