Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1985-06-04
1987-05-05
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Rotary
29546, 248 51, H02K 118, H02K 324, H02K 1514
Patent
active
046635530
ABSTRACT:
A stator laminated core (1) of a horizontal-axis electrical machine is supported by means of at least two parallel bearing plates (3), perpendicular to the axis of the electrical machine and at a distance from each other. In order to minimize vibrations and thermal stresses occurring during the operating state of the electrical machine, the bearing plates (3) are of annular design and are connected to the bottom casing section (8) only in two regions of their horizontal plane of symmetry, on either side, via vertical linear extensions (4) by means of attachment parts (5). By far the greatest part of the circumference of the bearing plates (3) is at a distance from the bottom casing section (8) and the top casing section (9). The stator laminated core (1) is braced in the bearing plates (3) by means of attachment wedges (6) evenly distributed around its entire circumference. The attachment parts (5) include attachment plates (15) which are each welded to the extensions (4) of the bearing plates ( 3). Reinforcing, horizontal-axis tube lengths (14) are welded to the attachment plates (15). The attachment according to the invention of the stator laminated core (1) allows easy accessibility of the structural parts to be welded and ensures a good quality of the welds.
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BBC Brown Boveri & Company Limited
Rebsch D. L.
Salce Patrick R.
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