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US 7,732,954 B2Granted
Electrical machine
AssigneeRobert Bosch GmbH
InventorsJuergen Wiker, Ralph Dammertz
Life of this patent
Estimating the term…
Abstract
An electrical machine has an armature with armature grooves for accommodating an armature winding and which is non-rotatably supported on an armature shaft, wherein at least one heat-conducting element is provided in the region of at least one end face of the armature.
Claims7
An electrical machine, comprising:
- an armature shaft;
- an armature winding;
- an armature provided with armature grooves for accommodating said armature windings and non-rotatably supported on said armature shaft;
- at least one heat-conducting element provided in a region of at least one end face of said armature provided for conducting heat away from said armature;
- and
- a fan wheel which is non-rotatably supported on said armature shaft and is connected with said armature in a thermally conductive manner via said at least one heat-conducting element, wherein said armature has an armature recess and said fan wheel has a fan wheel recess, wherein said armature and said fan wheel have a common axis and said heat-conducting element is radially spaced from said common axis of said armature and said fan wheel, and wherein said heat-conducting element has opposite end portions inserted in and extending through said armature recess and said fan wheel recess in heat-conductive contact with said armature and said fan wheel at a location radially spaced from said common axis of said armature and said fan wheel.
3 more elements
An electrical machine, comprising:
- an armature shaft;
- an armature winding;
- an armature provided with armature groove for accommodating said armature windings and non-rotatably supported on said armature shaft;
- at least one heat-conducting element provided in a region of at least one end face of said armature provided for conducting heat away from said armature;
- a fan wheel, wherein said fan wheel is non-rotatably supported on said armature shaft and is connected with said armature in a thermally conductive manner via said at least one heat-conducting element, wherein said at least one heat-conducting element is formed integrally with said fan wheel, and
- wherein said armature has an armature recess and said fan wheel has a fan wheel recess, wherein said armature and said fan wheel have a common axis and said heat-conducting element is radially spaced from said common axis of said armature and said fan wheel, and wherein said heat-conducting element has opposite end portions inserted in and extending through said armature recess and said fan wheel recess in heat-conductive contact with said armature and said fan wheel at a location radially spaced from said common axis of said armature and said fan wheel.
3 more elements
Dependencies are inferred from the claim text.