Motor for compressor pumps and related compressor assembly
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United States of America Patent
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Oct 13, 2015
Grant Date -
Feb 6, 2014
app pub date -
Aug 2, 2013
filing date -
Aug 3, 2012
priority date (Note) -
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Abstract
An electric motor is provided, including a stator having two electromagnetic poles diametrically opposite each other, a rotor including a rotor core configured for being rotatably mounted with a shaft for rotation relative to the stator. The rotor core is formed by stacking a plurality of laminations each of which has a central hole and a plurality of generally radially extending teeth. The stator and the rotor have geometric attributes such that: R1=G*0.9968, wherein G is defined as thickness of a field yoke, and R1 is defined as a distance from an outside edge of a central hole to bases of the teeth. A compressor assembly is also provided that employs the present motor.
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