Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2010-04-16
2010-12-28
Tamai, Karl I (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S306000, C310S307000, C290S052000, C384S103000, C384S261000
Reexamination Certificate
active
07859154
ABSTRACT:
A turboalternator system includes a turboalternator having a rotatable member operatively engaged to a bearing set, a radial support element, and a contact structure engaged with the radial support element. The rotatable member defines a first end, a second end and an axis of rotation. The turboalternator system is configured to be thermally adjustable such that in a first thermal condition the contact structure is at a first radial position with respect to the axis of rotation and contacts the rotatable member to provide support, and in a second thermal condition the contact structure is at a second radial position with respect to the axis of rotation that is spaced further from the axis of rotation than the first radial position. The contact structure includes a ring having a groove formed in an outer diameter surface thereof, and the radial support element engages the groove in the contact structure.
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Machine Translation of 2002-295467, Oct. 2002, Saito et al., “Fluid lubrication type foil bearing for gas turbine electrical power generation device, has bimetallic leaf foil supporting revolving shaft such that axial centers of bearing and revolving shaft are in alignment”.
Hamilton Sundstrand Corporation
Kinney & Lange , P.A.
Tamai Karl I
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