Patent ID: 6280154
Filing Date: 2001-08-28
Classification: F04C

Abstract:
A scroll machine comprising:an outer shell;a cap secured to said shell;a base telescopically engaging said outer shell;a first scroll member disposed within said outer shell, said first scroll member having a first spiral wrap projecting outwardly from a first end plate;a second scroll member disposed within said outer shell, said second scroll member having a second spiral wrap projecting outwardly from a second end plate, said second scroll wrap being interleaved with said first spiral wrap to define a plurality of moving chambers therebetween when said second scroll member orbits with respect to said first scroll member;a frame disposed within and secured directly to said outer shell, said frame abutting said base;a motor stator secured to said frame, said motor stator defining a central bore;a main bearing housing separate from and secured to said frame;a lower bearing housing separate from and secured to said frame;a drive member rotatably supported by said main bearing housing and said lower bearing housing, said drive member causing said second scroll member to orbit with respect to said first scroll member; anda motor rotor secured to said drive member, said motor rotor being disposed within said central bore of said motor stator.