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US 9,882,456 B2Granted
Magnet wheel
AssigneeContinental Automotive GmbH
InventorsLothar Schröder, Jan Weimar
Life of this patent
Estimating the term…
Abstract
A magnet wheel for an electric motor includes a shaft and a disk made of a plastic containing magnetic particles. The disk is arranged on a carrying hub and the carrying hub is pressed onto the shaft. The carrying hub is a slotted ring around which the disk is molded on by injection molding.
Claims7
A magnet wheel for an electric motor, comprising:
- a shaft (2);
- a disk (3) made of a plastic containing magnetic particles;
- and
- an annular support hub (4) on which the disk (3) is arranged, the annular support hub (4) being pressed with the shaft (2), the disk (3) being formed integrally around the annular support hub (4),
- wherein the annular support hub (4) has a slot (5), the slot (5) defining a circumferential gap in the annular support hub (4), and
- wherein the support hub (4) has only a single notch (6) radially on an outside portion of the support hub (4), the single notch (6) comprising one selected from the group of:
- one to four cutouts (8) in the support hub, and
- two knurls (7),
- the single notch being arranged exclusively in a region, the ends of the region being arranged at least 90° away from the slot (5), no notch being formed in any region less than 90° to the left or right of the slot (5).
6 more elements
Dependencies are inferred from the claim text.