Schaeffler Technologies Ag & Co .Kg

Sick | Stegmann Gmbh

Ina Drives & Mechatronics Gmbh & Co Ohg

Ina Drivers & Mechatronics Gmbh & Co. Ohg

Jörg Kegeler

Josef Siraky

Dirk Schmidt

Multi-layer printed circuit boards and methods of producing the same are disclosed. In one example, a multi-layer printed circuit board may include flat coils which are situated vertically one above the other and are connected electrically in series or in parallel in order to form a first solenoid coil. Two vertically adjacent flat coils may be arranged laterally offset in relation to one another in such a way that conductor track sections of one flat coil are arranged so as to vertically partially overlap with two conductor track sections of the other flat coil in a cross section perpendicular to a surface of the multi-layer printed circuit board.

Multi-layer printed circuit board having a printed coil and method for the production thereof

A sensor arrangement comprising an angle sensor for measuring torsion is disclosed. The angle sensor is designed for carrying out a measurement via n poles, where n&#x2265;1, and primarily comprises a sensor ring which at least partially surrounds a rotational axis, and a material measure which is rotatable relative to this sensor ring. One transmitting coil and multiple receiver coils are situated on the sensor ring. A magnetic circuit is formed between the transmitting coil and the receiver coils, which magnetic circuit comprises the material measure and a pot core including two limbs. In this case, the material measure forms a variable reluctance in the magnetic circuit. At least one of the two limbs of the pot core is segmented in such a way that the limb comprises ring segments. Each of the receiver coils surrounds at least one of the ring segments. Each of the ring segments forms a circular arc having a mean radius. The ring segments may be provided in pairs. The mean radii of the two ring segments of the individual pairs have an angle (&#x3b2;) relative to each other of (60&#xb0;/n+i&#xb7;360&#xb0;/n), wherein i is a whole number. The disclosure further relates to a rolling bearing arrangement.

Sensor arrangement comprising an angle sensor and rolling bearing arrangement comprising sensor arrangement

The invention relates to a roller bearing (), with a revolving bearing component () and a stationary bearing component (), and with a capacitive sensor unit (). The capacitive sensor unit () comprises a pivoted sensor element (), which is connected to the revolving bearing component (), and a stationary sensor element (). The sensor units () form a capacitor. At least one of the sensor elements () bears a first material measure (), so that a change arises in the capacitance of the capacitor when there is a relative motion in the sensor areas (). The sensor unit also includes a means for generating a periodic electrostatic field between the sensor plates, and a processing and amplifying electronics unit for evaluating the change in capacitance.

Roller bearing arrangement with a sensor unit

The invention relates to a planar direct drive unit comprising a passive unit (), an active unit (), a bearing unit, and a position measuring system that is provided with a material measure and a measuring sensor which scans the material measure and supplies a position signal. The inventive positioning measuring system encompasses a moved component () and a quasi stationary component (), one of which is formed by the material measure while the other one is formed by the measuring sensor. Both components are disposed outside the bearing gap () and at a distance from the running surface ().

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Schleusingen, Germany

Jörg Kegeler