Bearing device for the rotor of a rotating machine

Details Bearing device for the rotor of a rotating machine Bearing device for the rotor of a rotating machine

2005-09-13

2005-09-13

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Plain bearing

C384S535000, C310S157000

Reexamination Certificate

active

06942390

ABSTRACT:
A bearing arrangement for the rotor (11) of a rotating machine, in particular of a hydrogenerator (20) rotating about a vertical axis (19), comprises a combined axial and radial bearing (23) which is accommodated in a bearing body (24), on which supporting arms (27) are arranged for absorbing axial forces. The supporting arms (27) are supported with the free ends on a load-bearing base. Tangentially oriented connecting elements (29) are additionally provided between the bearing body (24) and a foundation (21), enclosing the rotor, for absorbing radial forces and for centering the bearing, which connecting elements (29) are fastened at a first end to the foundation (21) and are fastened at a second end to articulation points (31) arranged directly on the bearing body (24). This results in a material-saving construction, optimization of the individual bearing functions, and improved adjustability.

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Kellenberger, Dr. Walter, “Der optimale Winkel für die Abstützung von vertikalen Wasserdraftgeneratoren mit schrägen Armen oder Blattfedern”, Brown Boveri Mitt. 2, vol. 67, pp. 108-116 (Feb. 1980, Brown Boveri Ltd.).
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“Hydrogenerators with oblique elements. Top technology from ALSTOM power” (Sep., 2000, ALSTOM Power Hydro Generator Technology Center HGT, Birr, Switzerland).

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