The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 1997
Filed:
Apr. 30, 1996
Mark J Kuzdzal, Allegany, NY (US);
Harry F Miller, Allegany, NY (US);
Dresser-Rand Company, Corning, NY (US);
Abstract
A damper film bearing assembly for supporting a rotatable shaft of a turbomachine includes a housing having a central bore sized to receive the bearing member, and an annular cavity formed within the housing around the central bore. The annular cavity includes an outer wall that is concentric with the central bore. A bearing member having an annular outer surface and an inner bearing surface is mounted within the cavity and engages the shaft to support the shaft within the housing. A fluid film damper mechanism acts between the annular outer surface and the outer wall of the cavity for damping radial movement of the bearing member within the cavity. A resiliently adjustable dead weight hanging spring support system acts between the housing and the bearing member to support the dead weight of the shaft within a vertically centered position within the central bore so that the fluid film damper means functions to maintain the shaft centered within the bore when vibrations occur during rotation of the shaft.