Device for controlling an automobile vehicle starter motor contactor
US6003484A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Mar 13, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02N2200/043
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A device for controlling an automobile vehicle starter motor contactor having a power contact controlling the supply of power to the electric motor of the starter motor and at least one coil controlling the movement of said contact, one of the coils of said contactor being connected between the power supply terminal at the battery voltage and the electric motor, said device including a control unit for the starter motor and a transistor controlled by said unit that controls the supply of power to the coil or coils of the contactor, wherein the control unit includes means for turning off the transistor if the voltage at a given point between the coil and the motor is not greater than a predetermined threshold at the end of a predetermined time period from the starter switch of the vehicle closing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.