Patent ID: 7902781
Filing Date: 2011-03-08
Classification: B60N,B60R

Abstract:
1. An adjustment device for a motor vehicle seat comprising an electric motor, a gear connected to said electric motor, a mechanical adjustment unit connected to said gear and a control circuit, at least one sensor being associated with said control circuit for detecting a critical situation of said motor vehicle and said control circuit providing an operating voltage for said electric motor, wherein said control circuit provides in addition to said normal operating voltage, an overvoltage for supplying said electric motor, said normal operating voltage is applied in a normal driving condition of said motor vehicle in which said sensor does not deliver any signal and said overvoltage is applied at said electric motor in a driving condition after said sensor has delivered a signal indicating that a critical situation of said motor vehicle is present, said overvoltage being at least 150% of said value of said normal operating voltage.