Patent ID: 11970146
Assignee: ZF CV SYSTEMS EUROPE BV
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. The secondary brake system (46′) as claimed in claim 7, wherein the pilot valve (86) is a 3/3-way solenoid valve with a pilot valve pressure medium inlet, a pilot valve pressure medium outlet, and a pilot valve control outlet, wherein the pilot valve pressure medium inlet is connected via a connector line (70) to the supply line (52), the pilot valve pressure medium outlet is connected to a pressure medium sink (16c), and the pilot valve control outlet is connected via a control line (88) to the control inlet of the brake control valve (56′), wherein the pilot valve control outlet is connected to the pilot valve pressure medium outlet in the non-energized state and is connected in an unthrottled manner to the pilot valve pressure medium inlet in the maximum energized state, and wherein an electromagnet of the pilot valve (86) is actuated by the brake control unit (48) via an electric control line (90).