CLUTCH DRIVE Russian patent published in 2015 - IPC B60K23/02 F15B15/14 

FIELD: transport.

SUBSTANCE: clutch drive comprises control component, for example, pedal with return spring coupled with tracer. Said tracer varies automatically air pressure in the clutch air actuator subject to clutch control component position, said that of air cylinder piston with rod acting on clutch lever. Tracer comprises the following elements: clutch control element position sensor, one normally-closed electromagnetic air valve, one normally-open air valve, clutch actuator chamber air pressure sensor and clutch electronic control unit. Said elements are interconnected as follows: clutch control element output is connected with control unit; normally-closed electromagnetic air valve input is connected with control unit, while its air input is connected with vehicle air system and air output is connected with actuator working chamber, electrical input of normally-open electromagnetic air valve is connected with control unit while its air input is connected with actuator working chamber and air output with atmosphere. Air pressure pickup pneumatic input is connected with actuator working chamber while its electric output is connected with control unit. The latter is supplied by vehicle onboard circuit. To up the response and adjustment accuracy, several one normally-closed electromagnetic air valves and one normally-open air valve can be incorporated with this system.

EFFECT: higher reliability.

1 dwg