Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Calvin Wang0
Craig Andrew Weldon0
Date of Patent
October 27, 2009
Patent Application Number
11882614
Date Filed
August 3, 2007
Patent Primary Examiner
Patent abstract
A motor (10) for a vehicle includes a stator assembly (14) and a rotor assembly (16). Bearing structure (20, 22) support the rotor assembly to permit rotation of the rotor assembly with respect to the stator assembly. A shaft (30) is threadedly engaged with the rotor assembly and is constructed and arranged such that rotation of the rotor assembly causes linear movement of the shaft. A perfluoropolyether (PFPE) based lubricant (38), having an thermal functionality upper temperature limit of over +200° C., lubricates at least the bearing structure.
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