End Shield
AssigneeABB AB
InventorTimo Holopainen
Life of this patent
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Abstract
A cast end shield for an electrical machine, said end shield supporting a bearing that supports the rotor, and said end shield having an opening in the middle. In the radial direction from the centre of the shield, there is an inner rim limited by the opening, an intermediate rim connected to the inner rim and an outer rim connected to the intermediate rim. The intermediate rim has at least one substantially waved reinforcement structure, and within the reinforcement structure, the valleys of the waves are substantially in the radial direction.
Claims12
A cast end shield for an electrical machine, said end shield supporting a bearing that supports the rotor, and said end shield having an opening in the middle and, in the radial direction from the centre of the shield, an inner rim limited by the opening, an intermediate rim connected to the inner rim and an outer rim connected to the intermediate rim;
- wherein there is at least one substantially waved reinforcement structure on the intermediate rim wherein the valleys of the waves within the reinforcement structure are substantially in the radial direction.
Dependencies are inferred from the claim text.