Torsion spring for servo motor activated engine throttle - has springs located in guided to provide resisting force against torque applied by motor

摘要

The torsion spring unit is built into a housing into which a throttle spindle (3) projects. An electric motor (6) is connected to the spindle via a gear transmission (7,8) that is built into an end cover (10) together with the torsion spring (12,13). The spring unit consists of a coil spring (12) that fits over a tapered section (16) on a spring disc (13) that connects with the spindle. A stop determines the initial position and the spring opposes the torque applied by the motor. ADVANTAGE - Provides reliable positioning.