Mounting arrangement for a piston-connecting rod assembly in a refrigeration compressor
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United States of America Patent
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Sep 20, 2016
Grant Date -
Jul 24, 2014
app pub date -
Jun 15, 2012
filing date -
Jun 15, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The arrangement is applied to a compressor which comprises: a crankcase, carrying a cylinder provided with a lateral slot and in which is housed a piston provided with two radial holes and with an eccentric axial hole; a connecting rod connected to a crankshaft driven by an electric motor and having a smaller eye mounted in the piston; and a wrist pin having a first end turned to the bearing hub of the crankcase, a second end turned to the lateral slot of the cylinder and a diametrical hole, adjacent to the second end in which is provided an engaging means, for the axial and rotational coupling of a tool for mounting and indexing the wrist pin, in the interior of the piston, in a position in which the diametrical hole is axially aligned with the eccentric axial hole, so as to allow an elastic pin to be introduced in said diametrical hole and in said eccentric axial hole.
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