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US 2003/0189382 A1Published application
Generator with hydraulically mounted stator rotor
AssigneeHoneywell International Inc.
InventorsGerald E. Tornquist, Gregor McDowall
Life of this patent
Estimating the term…
Abstract
A high speed generator with a hydraulic rotor mounting system that dampens rotor vibrations at the rotor's critical speeds. Oil is supplied to a gap formed between the outer race of the rotor bearing assembly and the bearing liner. The oil provides soft bearing support for, and viscous damping of, the rotor.
Claims27
A mounting system for hydraulically mounting a high speed generator shaft, comprising:
- a bearing assembly having a bearing inner race, a bearing outer race and bearings therebetween, the bearing inner race concentrically mounted on the shaft;
- a cylindrical bearing liner mounted around the bearing assembly, the bearing liner having an inner circumferential surface and an outer circumferential surface and dimensioned to form a gap between the bearing outer race and the bearing liner inner circumferential surface;
- and
- at least one inlet oil port formed in the bearing liner and extending between the bearing liner inner circumferential surface and the bearing liner outer circumferential surface, whereby oil from a pressurized oil source is fed into the gap.
1 more element
A mounting system for a high speed generator shaft, comprising:
- a bearing assembly having a bearing inner race, a bearing outer race and bearings therebetween, the bearing inner race concentrically mounted on the shaft, the bearing outer race having a first slot formed therein;
- a cylindrical bearing liner mounted around the bearing assembly, the bearing liner having an inner circumferential surface and an outer circumferential surface and dimensioned to form a gap between the bearing outer race and the bearing liner inner circumferential surface;
- at least one inlet oil port formed in the bearing liner and extending between the bearing liner inner circumferential surface and the bearing liner outer circumferential surface, whereby oil from a pressurized source is fed into the gap;
- a first cavity extending between the bearing liner inner circumferential surface and the bearing liner outer circumferential surface;
- a load assembly mounted within the bearing liner and positioned longitudinally adjacent to the bearing assembly, the load assembly having a notch formed on an outer surface thereof;
- and
- a pin having at least a first end inserted within the cavity and at least a second end inserted within the notch.
4 more elements
A high speed generator, comprising:
- a housing;
- a stator assembly mounted within the housing;
- a rotor located within the stator assembly, the rotor having a shaft for rotation of the rotor about a predetermined axis;
- and
- wherein the rotor shaft is mounted about at least one hydraulic mount assembly that includes:
- a bearing assembly having a bearing inner race and a bearing outer race, the bearing inner race concentrically mounted on the rotor shaft,
- a cylindrical bearing liner mounted around the bearing assembly, the bearing liner having an inner circumferential surface and an outer circumferential surface and dimensioned to form a gap between the bearing outer race and the bearing liner inner circumferential surface, and
- at least one inlet oil port formed in the bearing liner and extending between the bearing liner inner circumferential surface and the bearing liner outer circumferential surface, whereby oil from a pressurized oil source is fed into the gap.
5 more elements
Dependencies are inferred from the claim text.