Parking brake and electric machine comprising such a brake
AssigneeAmpere S.A.S.
InventorEric DUMAS
Life of this patent
Estimating the term…
Abstract
A parking brake device is suitable for being installed in a casing of an electric machine that houses a rotary shaft and at least one rolling bearing for guiding the rotary shaft. The parking brake device includes an annular support suitable for being inserted between the rolling bearing and the casing, an annular sliding gear which is mounted so as to slide on the support between two end positions, which is locked against rotation on the support, and which has dog clutches suitable for engaging a notched wheel coupled to the rotary shaft, and an actuator suitable for moving the sliding gear between its two end positions.
Claims11
1-10. (canceled)
A parking brake device for being installed in a casing of an electric machine which houses a rotary shaft and at least one rolling bearing for guiding said rotary shaft, the parking brake device comprising:
- an annular support configured to be inserted between said rolling bearing and said casing (20);
- an annular sliding gear which is mounted on the support and configured to slide between two extreme positions, which is immobilized against rotation on said support, and which has at least one relief configured to engage in a dog-clutch manner with a notched wheel coupled to said rotary shaft;
- and
- an actuator configured to move the sliding gear between the two extreme positions.
Dependencies are inferred from the claim text.