Patent attributes
A method to prevent brinelling wear of a slot and pin assembly of an adjustable inlet guide vane mechanism includes: providing a compressor having the adjustable inlet guide vane mechanism including a control ring with a plurality of tapered slots positioned around a circumference of the control ring; providing a plurality of tapered pin/lever arm assemblies each comprising a tapered pin having a tapered body with a first end and a second end; positioning the tapered pin of the tapered pin/lever arm assembly within each of the plurality of tapered slots; positioning a spring over the first end of each of the tapered pins; and securing the tapered pin of each of the tapered pin/lever arm assemblies within each of the tapered slots by coupling a fastening member to the first end of each of the tapered pins.