Copeland Corporation

Patrick Shawn O'Meara

Michael M Perevozchikov

Zheji Liu

Ludwin Mora

An inlet guide vane apparatus includes a compressor end cap connectable with a main body of a compressor housing and a housing portion connected to the end cap. The housing portion and the end cap cooperatively define a fluid flow passageway and guide vane openings extending into the fluid flow passageway. The inlet guide vane apparatus also includes a ring gear rotatable relative to at least one of the housing portion and the end cap and guide vanes connected to the housing portion and the end cap. Each guide vane extends through one of the guide vane openings and includes a vane gear operably connectable with the ring gear and disposed at an exterior of the housing portion and a vane disposed within the fluid flow passageway. Each guide vane is rotatable such that an orientation of the vane within the fluid flow passageway is selectively adjustable.

Variable inlet guide vane apparatus combined with compressor end cap

Compressor

A bearing system includes a bearing housing and a foil bearing assembly. The bearing housing includes a sleeve defining a cylindrical bore, and a mounting structure for connecting the bearing system to a compressor housing. The foil bearing assembly is positioned within the cylindrical bore and includes an inner foil assembly and a bump foil assembly. The bump foil assembly includes a plurality of bump foils disposed circumferentially about the inner foil assembly. Each bump foil is spaced circumferentially from an adjacent bump foil to define a gap therebetween. The inner foil assembly includes a cylindrical inner surface defining a plurality of perforations extending radially therethrough. Each perforation is radially aligned with one of the gaps between adjacent bump foils.

Foil bearing assembly including perforated inner foil assembly and compressor including same

A bearing system including a foil bearing assembly positioned within the cylindrical bore of the sleeve. The foil bearing includes a top foil layer and an outer layer. The bearing system includes a driveshaft including a recess axially aligned with the top foil layer. The recess defines a cavity having a volume and includes a leading end at a first circumferential position and a trailing end at a second circumferential position. The volume of the cavity decreases from the leading end to the trailing end.

Foil bearing and driveshaft assemblies and compressor including same

A bearing system includes a bearing housing and a foil bearing assembly. The bearing housing includes a sleeve defining a cylindrical bore, and a mounting structure for connecting the bearing system to a compressor housing. The foil bearing assembly is positioned within the cylindrical bore and includes an outer foil assembly, an inner foil assembly, and a bump foil assembly positioned between the outer and inner foil assemblies. The bump foil assembly includes a plurality of bump foils disposed circumferentially about the inner foil assembly. Each bump foil is coupled to the outer foil assembly at a respective land and spaced circumferentially from an adjacent bump foil to define a gap therebetween. The inner foil assembly includes a cylindrical inner surface defining a plurality of openings extending radially therethrough. Each opening is radially aligned with one of the lands or one of the gaps between adjacent bump foils.

Growing community of inventors

Tipp City, OH, United States of America

Patrick Shawn O'Meara