Patent ID: 6585502
Filing Date: 2003-07-01
Classification: F04C

Abstract:
A scroll compressor comprising:a first scroll member having a generally spiral wrap extending from a base and a second scroll member having a generally spiral wrap extending from its base; a driveshaft for driving said second scroll member to orbit relative to said first scroll member, said second scroll member having a downwardly extending boss, said driveshaft having an eccentric pin extending upwardly into said boss; and a slider block received between said eccentric pin and said boss of said second scroll member, said slider block having an inner bore receiving said eccentric pin, with said slider block and said eccentric pin having a surface in engagement for transmitting movement, said eccentric pin surface being a generally flat surface, and said eccentric pin having an opposed curved surface, said bore of said slider block including a pair of circumferentially spaced curved portions, with a pair of generally flat portions which are positioned circumferentially intermediate spaced circumferential ends of said pair of curved portions, one of said generally flat portions provides a portion of said surface for engaging said eccentric pin and transmitting movement, with the other of said flat portions being connected to merge into said curved portions, and said eccentric pin portion being engaged with said one generally flat surface, and said eccentric pin curved surface being spaced from said other flat portion of said bore when transmitting movement.