Patent ID: 8702179

Claim:
A vehicle brake system, comprising: at least one first axle comprising pneumatically operated brake cylinders; at least one second axle comprising electromechanical brake actuating devices; a brake pedal device comprising: a brake pedal; and pneumatically actuatable brake cylinders operable to actuate said pneumatically operated brake cylinders by compressed air, wherein said pneumatically operated brake cylinders include an electromechanically actuatable parking brake function; said electromechanical brake actuating devices being actuatable exclusively electromechanically in response to a braking request signal generated in response to actuation of said brake pedal, wherein a pneumatic pressure of said compressed air is modulated one of indirectly and directly, and wherein hybrid use of said pneumatically operated brake cylinders and said electromechanical brake actuating devices together effects a service brake function.