Actuating device and vehicle steering device comprising an electric engine and a rotor position sensor and a multiturn sensor
A regulator may include an output element and an electric motor for driving the output element. The electric motor may have a rotor. A mechanical power transmission device may be located between the rotor of the electric motor and the output element. A rotor position sensor for determining a position of the rotor may be included. A multi-turn sensor may also be included, where the multi-turn sensor is configured to monitor rotation of at least one of the rotor and a rotating element of the mechanical power transmission device.
1. A motor vehicle steering device, comprising:
a regulator, the regulator comprising:
an output element;
an electric motor for driving the output element, the electric motor having a rotor;
a mechanical power transmission device between the rotor of the electric motor and the output element;
a rotor position sensor for determining a position of the rotor; and
a multi-turn sensor configured to monitor rotation of the rotor,
wherein the motor vehicle steering device comprises a steering rod,
wherein the steering rod forms the output element of the regulator for generating a steering movement of at least one vehicle wheel, and
wherein the motor vehicle steering device lacks a mechanical connection between the output element and a steering wheel.
2. The motor vehicle steering device according to claim 1 , wherein each of the rotor position sensor and the multi-turn sensor share a transmitter element.
3. The motor vehicle steering device according to claim 2 , wherein the transmitter element is a permanent magnet.
4. The motor vehicle steering device according to claim 1 , wherein the multi-turn sensor and the rotor position sensor form a sensor module.
5. The motor vehicle steering device according to claim 1 , wherein the multi-turn sensor and the rotor position sensor are formed on the same semiconductor chip.
6. The motor vehicle steering device according to claim 1 , wherein the output element does not have a position sensor.
7. A motor vehicle steering device, comprising:
a regulator, the regulator comprising:
an output element;
an electric motor for driving the output element, the electric motor having a rotor;
a mechanical power transmission device between the rotor of the electric motor and the output element;
a rotor position sensor for determining a position of the rotor; and
a multi-turn sensor configured to monitor rotation of a rotating element of the mechanical power transmission device,
wherein the motor vehicle steering device comprises a steering rod,
wherein the steering rod forms the output element of the regulator for generating a steering movement of at least one vehicle wheel, and
wherein the motor vehicle steering device lacks a mechanical connection between the output element and a steering wheel.
8. The motor vehicle steering device according to claim 7 , wherein each of the rotor position sensor and the multi-turn sensor share a transmitter element.
9. The motor vehicle steering device according to claim 8 , wherein the transmitter element is a permanent magnet.
10. The motor vehicle steering device according to claim 7 , wherein the multi-turn sensor and the rotor position sensor form a sensor module.
11. The motor vehicle steering device according to claim 7 , wherein the multi-turn sensor and the rotor position sensor are formed on the same semiconductor chip.
12. The motor vehicle steering device according to claim 7 , wherein the output element does not have a position sensor.