Elevator car roller guide and method of use
AssigneeInventio AG
InventorValerio Villa
Life of this patent
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Abstract
A roller guide for an elevator car includes at least one roller rotatably mounted on an axis. The roller guide further includes a support element for supporting the axis, and at least one braking element for the roller for damping vertical oscillations of the elevator car. The brake element is a magneto-rheological fluid.
Claims15
A roller guide for mounting on an elevator car and for damping vertical oscillations of the elevator car during stopping of the elevator car, comprising:
- a rotatably mounted roller arranged at an axis;
- a support element supporting the axis;
- and
- a brake element acting on the roller and including a magneto-rheological fluid for braking a rotary movement of the roller.
A method for damping vertical oscillations during operation of an elevator car having a roller guide with at least one rotatably mounted roller, comprising the steps of:
- providing a brake element having a magneto-rheological fluid;
- and
- braking rotary movement of the at least one roller using the brake element.
Dependencies are inferred from the claim text.