US Patent 9387840 Multi-thread emergency park brake system

A brake system is provided. The brake system may comprise a controller, a vehicle management system (VMS), a shut-off valve (SOV), an outboard valve (OBV), an inboard valve (IBV), a control module, an emergency/park power source, and a tangible, non-transitory memory configured to communicate with the controller. The VMS may be in communication with the controller. The control module may be in communication with the SOV, OBV, and IBV. The SOV may be in communication with the controller. The OBV may be in communication with the controller and in fluid communication with the SOV. The IBV may be in communication with the controller and in fluid communication with the SOV. The emergency/park power source may be in fluid communication with the SOV.