Patent ID: 6641503
Filing Date: 2003-11-04
Classification: B60W,B62M,F16D,F16H,Y10T

Abstract:
An automatic servo-mechanism for sequential gearbox and clutch, operated by a mechanical lever and adapted for use in a motorized vehicle driven by an engine, the servo-mechanism including a sequential gearbox, a hydraulic circuit (1) having a pump (3) and an actuator (11) that controls the clutch and is actuated by a solenoid valve (10), the automatic servo-mechanism comprising: a selector (15) for regulating an analog electric signal that controls the solenoid valve (10); a microswitch (16) located on the mechanical lever that actuates the clutch; the hydraulic circuit also containing at least one check valve (6) disposed downstream of the pump (3); at least one pneumatic-hydraulic accumulator (7), connected downstream of the solenoid valve (10) and being proportional, in order to regulate the pressure in a controlled section (33) connected to the aforementioned actuator (11) according to the analog electric signal received.