Patent ID: 6231324
Filing Date: 2001-05-15
Classification: F01C

Abstract:
A scroll type machine comprising:a first scroll member having a first spiral wrap projecting outwardly from a first end plate;a 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 fixed member for supporting said first and second scroll members;a drive member for causing said second scroll member to orbit with respect to said first scroll member,an Oldham coupling disposed between said second scroll member and one member of said first scroll member and said fixed member, said Oldham coupling preventing relative rotational movement between said first and second scroll members, said Oldham coupling comprising:a first post engaging said second scroll member and said one member;a second post engaging said second scroll member and said one member; anda connecting member disposed between said first and second posts.