# US 12,767,110 B2 · Electromechanical actuator package with integrated electrical control unit (ECU) > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,767,110 B2 - Document ID: US12767110B2 - Status: Granted - Kind: B2 - Application number: 19/223,557 - Filed: 2025-05-30 - Published: 2026-01-08 - Granted: 2026-10-20 - Earliest claimed: 2024-07-05 - Assignees: Hl Mando Corporation - Applicants: Hl Mando Corporation - Inventors: Troy Strieter; Joshua Grove; Jeff Lauman - Web page: https://patentgrep.com/patent/US12767110B2 ## CPC - B60T 13/741: {acting on an ultimate actuator} - B60T 13/746: {and mechanical transmission of the braking action} - H02K 5/22: Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes - H02K 11/215: Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - B60T 2260/02: Active Steering, Steer-by-Wire - H02K 2211/03: Machines characterised by circuit boards, e.g. pcb - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract An electromechanical actuator package for actuating a brake assembly is provided. The electromechanical actuator package may include: a motor having a motor body and a motor rotation shaft protruding from the motor body; a drive mechanism connecting the motor rotation shaft to an actuator output via a drive component; a circuit board; and a housing enclosing the motor, the drive mechanism, and the circuit board, wherein the circuit board is positioned between the drive component and the motor body. ## Claims ### Claim 1 An electromechanical actuator package, comprising: a motor comprising a motor body and a motor rotation shaft protruding from the motor body; a belt drive mechanism connecting the motor rotation shaft to an actuator output via a drive belt; a circuit board; and a housing enclosing the motor, the belt drive mechanism, and the circuit board, wherein the circuit board is positioned between the drive belt and the motor body. ### Claim 2 (depends on 1) The electromechanical actuator package of claim 1, wherein the housing comprises a housing body and a cover, and a top side of the circuit board faces the drive belt and the cover. ### Claim 3 (depends on 2) The electromechanical actuator package of claim 2, wherein the drive belt is positioned between the cover and the circuit board. ### Claim 4 (depends on 3) The electromechanical actuator package of claim 3, wherein the circuit board is installed on the housing body. ### Claim 5 (depends on 4) The electromechanical actuator package of claim 4, wherein the housing body comprises a tubular housing portion in which the motor is positioned and a planar housing portion in which the circuit board is positioned, and the cover being attached onto the planar housing portion of the housing body. ### Claim 6 (depends on 5) The electromechanical actuator package of claim 5, wherein the housing body is attached to a brake caliper. ### Claim 7 (depends on 2) The electromechanical actuator package of claim 2, wherein, within the housing, the circuit board is positioned closer to the motor body than the drive belt. ### Claim 8 (depends on 2) The electromechanical actuator package of claim 2, wherein no part of the circuit board is in contact with the cover. ### Claim 9 (depends on 8) The electromechanical actuator package of claim 8, wherein the cover is a Snap-On cover. ### Claim 10 (depends on 1) The electromechanical actuator package of claim 1, wherein a portion of the motor rotation shaft extends past a first surface of the circuit board, and the first surface of the circuit board faces the drive belt while a second surface of the circuit board faces the motor body from which the motor rotation shaft protrudes. ### Claim 11 (depends on 10) The electromechanical actuator package of claim 10, wherein the portion of the motor rotation shaft extends past the first surface of the circuit board through an opening formed on a body of the circuit board. ### Claim 12 (depends on 11) The electromechanical actuator package of claim 11, wherein the circuit board comprises a motor position sensor configured to sense an angular position of the motor rotation shaft in an off-axis configuration manner. ### Claim 13 (depends on 12) The electromechanical actuator package of claim 12, wherein magnetically charged elements are attached to an outer circumference of the motor rotation shaft at a position where the motor rotation shaft extends through the opening formed on the body of the circuit board. ### Claim 14 (depends on 13) The electromechanical actuator package of claim 13, wherein the magnetically charged elements are held within a belt flange that is attached to the outer circumference of the motor rotation shaft. ### Claim 15 (depends on 1) The electromechanical actuator package of claim 1, wherein the drive belt comprises a first surface and a second surface, the first surface being wider than the second surface and engages with the motor rotation shaft, and the circuit board faces the second surface of the drive belt. ### Claim 16 (depends on 15) The electromechanical actuator package of claim 15, wherein the first surface of the drive belt surrounds a portion of the motor rotation shaft. ### Claim 17 (depends on 1) The electromechanical actuator package of claim 1, wherein the drive belt is attached to a first portion of the motor rotation shaft, the circuit board is positioned adjacent to a second portion of the motor rotation shaft, and the first portion of the motor rotation shaft is closer to a distal end of the motor rotation shaft than the second portion of the motor rotation shaft. ### Claim 18 (depends on 17) The electromechanical actuator package of claim 17, wherein the second portion of the motor rotation shaft is closer to a body of the motor from which the motor rotation shaft extends. ### Claim 19 (depends on 18) The electromechanical actuator package of claim 18, wherein the housing comprises a housing body and a cover, the motor rotation shaft extends toward the cover, and a first side of the circuit board faces the cover and the drive belt while a second side of the circuit board faces the body of the motor. ### Claim 20 An electromechanical actuator package, comprising: a motor comprising a motor body and a motor rotation shaft protruding from the motor body; a gear drive mechanism connecting the motor rotation shaft to an actuator output via one or more gears; a circuit board; and a housing enclosing the motor, the gear drive mechanism, and the circuit board, wherein the circuit board is positioned between the one or more gears and the motor body.