Auxiliary steering system has auxiliary steering control valve with bore divided into two chambers, piston with neutral position between chambers, brake connections to two brakes

摘要

The system has two brakes (18,20), an actuator (22) with a brake fluid reservoir (24) with two connections (56,58) to an auxiliary steering control valve (42) with a valve body (44) defining a bore (46) divided into two chambers (50,52) connected to the connections, a piston (48) with a neutral position equally between the chambers and brake connections (60,62) connecting each chamber to one of the brakes.