Scroll compressor counterweight with cooling flow directing surface
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United States of America Patent
Stats
-
Jul 10, 2012
Grant Date -
Jun 9, 2011
app pub date -
Dec 9, 2009
filing date -
Dec 9, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealed compressor includes a housing for receiving a compressor pump unit and an electric motor. The electric motor drives a driveshaft. The driveshaft extends to drive an element within the compressor pump unit to compress a fluid. The motor includes a rotor spaced from a portion of the housing by a gap. The driveshaft drives a counterweight, which has a radially outermost portion extending radially outwardly beyond a radially innermost portion of the stator. The radially outermost portion of the counterweight has an angled face to drive fluid into the gap.
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