System for adjusting resonance frequencies in a linear compressor
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United States of America Patent
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Issued Date -
May 25, 2006
app pub date -
Apr 22, 2004
filing date -
Apr 23, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for adjusting resonant frequencies in a linear compressor comprising, in the interior of a shell: a linear motor: a cylinder; a piston reciprocating inside the cylinder; and an actuating means operatively coupling the piston to the linear motor, said system comprising: a detecting means to detect a load imposed to the linear motor, in an operational condition of the latter related to the gas pressure in the discharge thereof; and a frequency adjusting means operatively associated with the detecting means and with the resonant assembly, in order to define, as a function of said operational condition, a frequency adjustment, by varying at least one of the values related to the mass of the resonant assembly and to the average stroke of the piston, to a value of the mechanical resonance frequency corresponding to the electrical supply frequency.
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