Patent ID: 7946397

Claim:
A disc brake, comprising: an electric motor actuator; a brake application device for applying at least one brake pad in a direction of a brake disc, the brake application device being actuated via the actuator electric motor; wherein the brake application device comprises a brake-internal hydraulic arrangement operatively configured as a self energizing design; the brake pad is supported on the brake application device at a wedge angle, the hydraulic arrangement having a working unit for adjusting the wedge angle at which the brake pad is supported on the brake application device; the hydraulic arrangement has a hydraulic circuit, the working unit for adjusting the wedge angle being connected into the hydraulic circuit; the working unit comprises a cylinder adjusting the wedge angle, the cylinder being connected into the hydraulic circuit; the brake application device includes a gear pump coupled to the electric motor actuator and connected into the hydraulic circuit; the hydraulic arrangement of the brake application device has two hydraulic cylinders with hydraulic pistons which are mechanically operatively connected in each case by way of one of their ends to the brake pad; and the two hydraulic cylinders are oriented in a V-shaped manner with respect to one another and are connected in an articulated manner to the brake lining at a common fastening point.