Patent ID: 9695823
Date: 2017-07-04
CPC Classifications: F04C

Claim:
1. A compressor comprising: a shell; an orbiting scroll disposed within said shell and including a boss portion; a driveshaft having an eccentric pin extending from a first end thereof, said driveshaft operable to rotate about a longitudinal axis; an unloader counterweight assembly having a first end, a second end, and a longitudinal opening extending from said first end to said second end, wherein said eccentric pin is disposed within said longitudinal opening at said first end, and the boss portion of said orbiting scroll is disposed within said longitudinal opening at said second end, and a first planar sidewall, a second planar sidewall, and an arcuate sidewall, wherein said first planar sidewall and said second planar sidewall define an angle therebetween, and wherein said arcuate sidewall traverses said angle and connects the first planar sidewall and the second planar sidewall, the angle being less than 180 degrees such that the first planar sidewall and the second planar sidewall define a wedge-shaped perimeter of the unloader counterweight assembly.