Elastic recall module for electromagnetic actuator in internal combustion engine has helicoidal spring with one end attached to calibration strut

摘要

Elastic recall module has helicoidal spring (22) with one end attached permanently to calibration strut with width adjusted and adapted to spring characteristics. Modules for same actuator have same elongation / restoring force characteristic. Independent claims are also includes for (1) the description of the electromagnetic actuator and for (2) the manufacturing method of recall module.