Patent ID: 7721853
Filing Date: 2010-05-25
Classification: F16D

Abstract:
1. A combined service and parking brake apparatus comprising a service brake unit equipped with at least one brake disc and at least one brake pad in which a fluid pressure actuatable brake piston is able to place the brake pad against the brake disc, and a parking brake unit, which includes an electric drive unit, a transmission, a spindle unit equipped with a nut and spindle in order to mechanically lock the brake unit in a parking brake position, the electric drive unit, the transmission, and the spindle unit being situated in series on a common axis, such that a motor shaft of the electric drive unit, a rotational center of the transmission, and the spindle of the spindle unit are aligned in series on the common axis, and a control/regulating unit for an emergency braking of the vehicle; the control/regulating unit being connected to the electric drive unit of the parking brake unit and operable to actuate the electric drive unit for an emergency braking action.