CPC B60T 8/94 (2013.01) [B60T 8/1701 (2013.01); B60T 13/36 (2013.01); B60T 13/385 (2013.01); B60T 13/662 (2013.01); B60T 13/683 (2013.01); B60T 15/027 (2013.01); B60T 17/18 (2013.01); B60T 2270/402 (2013.01); B60T 2270/403 (2013.01); B60T 2270/404 (2013.01); B60T 2270/414 (2013.01); B60T 2270/82 (2013.01); B62D 5/00 (2013.01)] | 12 Claims |
1. A brake system for a vehicle, comprising:
a first axle pressure modulator for service brake chambers associated with a first axle of the vehicle;
a second axle pressure modulator for spring brake cylinders associated with a second axle of the vehicle;
an electronic brake control unit configured to issue a first electric control signal for controlling the first axle pressure modulator and a second electric control signal for controlling the second axle pressure modulator;
an intelligent foot brake module configured to issue a first pneumatic control signal for controlling the first axle pressure modulator and a second pneumatic control signal for controlling the second axle pressure modulator;
an electronic parking brake controller configured to issue a second pneumatic parking brake signal for controlling the spring brake cylinders; and
a pressure control valve configured to convert the second pneumatic parking brake signal into a first pneumatic parking brake signal for controlling the first axle pressure modulator.
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