Reciprocating compressor
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Sep 24, 2009
filing date -
Oct 2, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a reciprocating compressor with delivery rate control the actuation device (3) for the valve unloader (2) of the suction valve (1) to be held open comprises as drive an electric motor (5), whose driven element (6) in conjunction with the non-rotating lifting element (10) of the valve unloader (2) and the rolling elements (8) arranged in between forma ball screw drive. This results in a small-dimensioned, precisely to be regulated actuation device (3) with high actuating forces and with high motion dynamic.
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