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US 8,261,616 B2Granted
Method for testing rotors
AssigneeSiemens Aktiengesellschaft
InventorBernd Lüneburg
Life of this patent
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Abstract
A method for testing rotors is disclosed, wherein a rotor to be tested is coupled in a torque-transmitting manner to an activating motor and is set in rotation. Vibrations of the rotor to be tested are measured, wherein the activating motor is operated such that torsional excitations are generated in the rotor.
Claims12
A method for testing rotors, comprising:
- coupling a rotor to be tested in a torque-transmitting manner to an electric activating motor;
- setting the rotor in rotation by the activating motor;
- operating the activating motor such that torsional excitations are generated in the rotor;
- and
- measuring vibrations of the rotor,
- wherein a transmitted torque has a first component which is constant with respect to time and a second component which is variable with respect to time,
- wherein the first component is achieved with an electric drive motor and the second component is achieved with the activating motor.
4 more elements
A measuring arrangement to measure vibrations of a rotatably mounted rotor, wherein the measuring arrangement comprises:
- an electric drive motor and an electric activating motor,
- wherein torque transmitted from the activating motor to a rotor has a component which is variable with respect to time, and
- wherein torque transmitted from the drive motor has a component which is constant with respect to time.
Dependencies are inferred from the claim text.