About 91 results
https://drivepatents.com/patents/962594 · 4 Mar 2015
An electromechanical actuator ("EMA") may comprise a ball screw (204) having at least one tab (208) extending from an inner surface thereof and/or an actuator drive unit ("ADU") housing (202) that interfaces with the at least one tab (208). The ball screw ...
https://drivepatents.com/patents/952142 · 18 Feb 2015
A park brake (20) for an electric motor actuator (10) is provided. The system comprises a micro-motor (24), a first gear (24) and a second gear (26). The system is configured to exert a radial force on a shaft (16) of the electric motor actuator (10) to lo...
https://drivepatents.com/patents/952099 · 18 Feb 2015
A method of adjusting a brake, the method including the steps of: providing a mechanically operated brake including friction material, providing a rotor, providing an adjuster for adjusting a running clearance between the friction material and the rotor, p...
https://drivepatents.com/patents/966205 · 17 Dec 2014
A control device for an electric parking brake controls a motor for driving a friction member of the electric parking brake. The control device includes a processing unit which starts the motor in order to drive the friction member to a direction for placi...
https://drivepatents.com/patents/967817 · 5 Nov 2014
An electric motor is controlled based on a target energization amount that is calculated based on an operation amount of a braking operation member. A state quantity is acquired as an actual value (Sva), which indicates an actual actuation state of a movab...
https://drivepatents.com/patents/967785 · 5 Nov 2014
Based on a difference (Fb) between a target value (Fbt) of a force of a friction member for pressing a brake disc and an actual value (Fba) thereof, a feedback energization amount (Ipt) is calculated by using a proportional gain that is smaller than an ult...
https://drivepatents.com/patents/970415 · 10 Sep 2014
An electric linear motion actuator capable of accurately controlling the axial position of an outer ring member is provided. The electric linear motion actuator includes: a rotary shaft (10) to be driven by an electric motor (15); a plurality of planetary ...
https://drivepatents.com/patents/971213 · 20 Aug 2014
A load sensor unit for use in a linear motion actuator is provided which is less likely to suffer from hysteresis errors during use while being mounted in the linear motion actuator, and which can reduce the axial length of the linear motion actuator. The ...
https://drivepatents.com/patents/973411 · 25 Jun 2014
To provide an electric brake device in an automotive vehicle, which a freezing that takes place while the automotive vehicle is parked can be assuredly avoided with a simplified mechanism. The electric brake device includes an electric motor (2), a braking...
https://drivepatents.com/patents/974954 · 14 May 2014
A method of automatically adjusting at least one electric actuator, 52, of a brake, 42, to prevent dragging is provided including measuring a force applied by the at least one electrical actuator, 52, to a load measuring device. The measured force is deter...