VALEO EQUIPEMENTS ELECTRIQUES MOTEUR
432Patents
276Active
432Granted
54Portfolio score
Filing activity: Mar 28, 1990 → Feb 18, 2022 · 95 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6087746A | Alternator with improved cooling means, especially for motor vehicles | Electricity | 41 | Expired |
| US6271613A | Rotating machine, such as motor vehicle alternator | Electricity | 40 | Expired |
| US6561336B1 | Friction clutch bearing an electric machine rotor, in particular for a motor vehicle | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5270605A | Three-phase alternator for a motor vehicle | Electricity | 32 | Expired |
| US5892422A | Motor vehicle starter contactor incorporating an auxiliary control relay | Electricity | 29 | Expired |
| US6472789B1 | Electric rotary machine with novel rotor excitation arrangement by permanent magnets | Electricity | 28 | Expired |
| US7417857B2 | Power-electronic-cooling device | Electricity | 27 | Expired |
| US6526931B1 | Method and systems for the automatic control of the cutting off and restarting of the thermal engine of a vehicle during temporary immobilizations thereof | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5743227A | Method and device for stopping the starter of a motor vehicle once the engine of the vehicle has started | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5909067A | Motor vehicle starter contactor incorporating an auxiliary control relay | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7224145B2 | Control and power module for integrated alternator-starter | Electricity | 25 | Expired |
| US6051904A | Rotary electric machine, especially an alternator for a motor vehicle | Electricity | 25 | Expired |
| US6147429A | Electrical machine with double excitation, especially a motor vehicle alternator | Electricity | 24 | Expired |
| US5624193A | Ball or roller bearing assembly, in particular a back bearing assembly for a motor vehicle alternator | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5424700A | Starter motor contactor for a motor vehicle internal combustion engine | Electricity | 22 | Expired |
| US5245267A | Indicating means in a double voltage motor vehicle electrical circuit | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5883450A | Alternator, in particular for a motor vehicle including an improved arrangement of rectifier diodes | Electricity | 21 | Expired |
| US6847143B1 | Rotary electrical machine having magnet arrangements with magnets of different compositions | Electricity | 20 | Expired |
| US7391180B2 | Pulse width modulation control circuit for a multimode electrical machine, and a multimode electrical machine equipped with such a control circuit | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5982155A | Method for regulating the excitation current in a motor vehicle alternator by digital processing, and a regulating device for carrying out the method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6242834A | Brushless polyphase machine, in particular motor vehicle alternator | Electricity | 19 | Expired |
| US6894402B2 | Method for controlling a polyphase and reversible rotating electrical machine for heat engine motor vehicle | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7378766B2 | Rotating electrical machine, such as an alternator, particularly for an automobile | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5182511A | Detector circuit for detecting a phase signal of a polyphase alternator for a battery charge regulator in a motor vehicle, and utilization thereof | Electricity | 18 | Expired |
| US6050233A | Controller for a vehicle starter motor | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.