Gm Global Technolgoy Operations, Inc.

Cadillac Rubber & Plastics, Inc.

Christopher C Chappell

Brandon C Pennala

Paul A Kilmurray

Alan J Houtman

Eric Edward Krueger

Kevin S Kidston

Patrick J Monsere

Steven J Weber

Michael C Roberts

Craig Raymond Brooks

Lynn Boelstler

Thomas John Sanday

David Joseph Wojciechowski

William R Gale

A vehicle includes a plurality of brake assemblies configured to control braking of a respective wheel of the vehicle. The brake assemblies includes a first brake assembly integrated with a smart actuator unit including a first actuator controller and a first electro-mechanical actuator that is configured to adjust a brake force applied to a first wheel coupled to the first brake assembly. A second brake assembly excludes an actuator controller and has installed therein a second electro-mechanical actuator that is configured to adjust a brake force applied to a second wheel coupled to the second brake assembly. At least one electronic actuator driver unit is remotely located from the first and second brake assemblies, and is configured to output a high-power signal that drives the first and second electro-mechanical actuators in response to receiving a digital command signal from the first actuator controller.

Brake-by-wire system

A vehicle with a fault tolerant electronic brake-by-wire (BBW) system includes a plurality of brake assemblies that control braking of a respective wheel of the vehicle. The brake assemblies include a first brake assembly and a second brake assembly. The first brake assembly is integrated with at least one enhanced brake actuator assembly including a first electronic actuator driver circuit in signal communication with a first electro-mechanical actuator. The first brake assembly is configured to adjust a brake force applied to a first wheel of the vehicle. The second brake assembly is integrated with at least one enhanced smart brake actuator assembly including a first actuator controller in signal communication with a second electronic actuator driver circuit. The second electronic actuator driver circuit is in signal communication with a second electro-mechanical actuator that is configured to adjust a brake force applied to a second wheel of the vehicle.

A vehicle includes a plurality of brake assemblies and a plurality of electrical power circuits. Each brake assembly includes an electro-mechanical actuator configured to adjust a torque force applied to a wheel of the vehicle. The electrical power circuits are located remotely from one another. Each power circuit is configured to drive a respective actuator. The vehicle further includes a first electronic brake system (EBS) controller and a second EBS controller. The first EBS controller is configured to output a first data command signal to control a first group of power circuits among the plurality of power circuits. The second EBS controller is configured to output a second data command signal to control a second group of power circuits among the plurality of power circuits. The second group excludes the power circuits from the first group.

A vehicle includes a fault-tolerant braking system that controls a brake assembly which is configured to adjust a braking force applied to one or more wheels. The fault-tolerant braking system further includes a brake-by-wire (BBW) system and a vehicle control module (VCM). The BBW system is configured to control the brake assembly in response to a braking request. The VCM is configured to detect a fault of at least one of the brake assembly and the BBW system. In response to detecting the fault, the VCM selectively operates the vehicle between a normal operating mode and at least one degraded driving mode that limits operation of at least one of the vehicle engine and the vehicle transmission compared to the normal operating mode.

Fault-tolerant automotive braking system

A device for venting a hose is disclosed. In some embodiments, the device includes a housing having a cylindrical sidewall and an endwall, the sidewall defining an inner housing surface and an outer housing surface, an opening extending through the sidewall, and a hose retention system extending from the inner housing surface.

Vent hose cap

A vehicle includes a plurality of brake assemblies and a plurality of electronic brake system (EBS) controllers. The brake assemblies each include an electro-mechanical actuator configured to adjust a torque force applied to a wheel of the vehicle. The EBS controllers are located remotely from one another. Each EBS controller has integrated therein an electronic actuator driver unit that includes an electronic power circuit configured to drive at least one of the electro-mechanical actuators. A first EBS controller is configured to drive a first group of electro-mechanical actuators, and a second EBS controller is configured to drive a second group of electro-mechanical actuators that exclude the electro-mechanical actuators of the first group.

A vehicle is provided. The vehicle includes a vehicle system. The vehicle system includes a brake-by-wire portion, which also includes a controller. The controller can cause a forced coastdown of the vehicle. The forced coastdown includes performing analyzing conditions of the vehicle system to determine whether the vehicle is in a stable state and to determine an amount of energy available to the vehicle system and automatically applying the forced coastdown when the vehicle is not in the stable state and the amount of energy is less than or equal to a threshold for continued manual operation of the vehicle. The forced coastdown also includes utilizing brake pressure to reduce a speed of the vehicle.

Growing community of inventors

Commerce Township, MI, United States of America

Christopher C Chappell