# US 11,897,440 B2 · Controllable actuator device, braking device for an electrically operated vehicle, and method for operating a braking device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,897,440 B2 - Document ID: US11897440B2 - Status: Granted - Kind: B2 - Application number: 17/259,318 - Filed: 2019-06-26 - Published: 2021-08-19 - Granted: 2024-02-13 - Earliest claimed: 2018-07-09 - Assignees: Robert Bosch GmbH - Applicants: Robert Bosch GmbH - Inventors: Thomas Friedrich; Heinz-Bernd Haiser - Web page: https://patentgrep.com/patent/US11897440B2 ## CPC - B60T 13/58: Combined or convertible systems - B60T 1/005: {by locking of wheel or transmission rotation} - B60T 1/062: {acting on transmission parts} - B60T 7/12: for automatic initiation; for initiation not subject to will of driver or passenger {(limiting speed of vehicles other than rail vehicles B60K31/00)} - B60T 13/741: {acting on an ultimate actuator} - F16D 63/006: {Positive locking brakes} - B60T 2270/402: Back-up - F16D 2121/24: using motors - 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 - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES ## Abstract A controllable actuator unit (1) having an electronic connecting device (AN). The actuator device (1) is connectable to a drive axle of an electrically operated vehicle (2), such that a braking or locking effect for a rotary movement of the drive axle can be produced. The actuator device (1) is controllable by a control device (SE) via the electronic connecting device (AN). ## Claims ### Claim 1 A brake device (5) for an electrically operated vehicle (2), comprising: a controllable actuator device (1) with an electronic connection device (AN), wherein the actuator device (1) is configured to be connected to a drive axle of the electrically operated vehicle (2), whereby a braking effect or a locking effect for a rotational movement of the drive axle can be produced; a first brake system (4a); a second brake system (4b); and a control device (SE) which is configured to be connected to the actuator device (1), via the connection device (AN), and which is also connected to the first brake system (4a) and the second brake system (4b), and wherein the actuator device (1), the first brake system (4a), and the second brake system (4b) are configured to be controlled by the control device (SE). ### Claim 2 (depends on 1) The brake device (5) as claimed in claim 1, wherein the controllable actuator device (1) comprises a locking pawl. ### Claim 3 (depends on 2) The brake device (5) as claimed in claim 2, wherein the controllable actuator device (1) comprises an electric motor for actuating the locking pawl. ### Claim 4 (depends on 1) The brake device (5) as claimed in claim 1, wherein the controllable actuator device (1) comprises a clamp, by means of which a friction connection to the drive axle can be produced. ### Claim 5 (depends on 4) The brake device (5) as claimed in claim 4, the controllable actuator device (1) further comprising a disc (S) configured to provide the friction connection, wherein the disc (S) is axially rotatably connected to the drive axle and is connected to the drive axle by force locking or shape locking. ### Claim 6 (depends on 4) The brake device (5) as claimed in claim 4, wherein the controllable actuator device (1) comprises a bolt, by means of which a shape-locking connection to the drive axle can be produced. ### Claim 7 (depends on 6) The brake device (5) as claimed in claim 6, the controllable actuator device (1) further comprising a disc (S) configured to provide the friction connection and the shape-locking connection, wherein the disc (S) is axially rotatably connected to the drive axle and is connected to the drive axle by force locking or shape locking. ### Claim 8 (depends on 1) The brake device (5) as claimed in claim 1, wherein the controllable actuator device (1) comprises a bolt, by means of which a shape-locking connection to the drive axle can be produced. ### Claim 9 (depends on 8) The brake device (5) as claimed in claim 8, the controllable actuator device (1) further comprising a disc (S) configured to provide the shape-locking connection, wherein the disc (S) is axially rotatably connected to the drive axle and is connected to the drive axle by force locking or shape locking. ### Claim 10 (depends on 1) The brake device (5) as claimed in claim 1, wherein the second brake system (4b) comprises an automatic parking brake for at least one wheel (VR; VL; HR; HL) of the electrically operated vehicle (2). ### Claim 11 (depends on 1) The brake device (5) as claimed in claim 1, wherein the first brake system (4a) comprises a hydraulic brake system for at least one wheel (VR; VL; HR; HL) of the electrically operated vehicle (2). ### Claim 12 (depends on 1) A method for operating the brake device (5), the method comprising the steps: providing (S1) the brake device (5) as claimed in claim 1; activating (S2) the first brake system (4a) and/or the second brake system (4b) by means of the control device (SE); and activating (S3) the controllable actuator device (1) and generating the braking effect or the locking effect for the rotational movement of the drive axle of the electrically operated vehicle (2) by means of the control device (SE).