VEHICLE SUN VISOR WITH ILLUMINATION POWERED BY KINETIC MOTION

• US 20150097483A1
• Filed: 10/08/2013
• Published: 04/09/2015
• Est. Priority Date: 10/08/2013
• Status: Active Grant

• Current Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Original Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Inventors: Huelke, David R., Hellar, Adam W., Majkowski, Matthew
• Granted Patent: US 9,193,298 B2
• Time in Patent Office: Days
• US Class Current: 315/77
• CPC Class Codes: B60Q 3/252 Sun visors
• CPC Class Codes: B60Q 3/80 Circuits; Control arrangements for dashboards B60Q3/16; for mass transit vehicles B60Q3/47

Abstract

A vehicle sun visor system and method for powering the vehicle sun visor are provided herein, and include a generator configured to produce a first current via kinetic motion. A converter is electrically coupled to the generator and configured to convert the first current into a second current. An energy storing device is electrically coupled to the converter and configured to store an electrical charge. An illumination source is electrically coupled to the energy storing device and configured to operate between an ON and an OFF state, wherein during the ON state, the electrical charge stored in the energy storing device is discharged to supply electrical power to the illumination source.

Claims

1. A vehicle sun visor comprising:

a generator configured to produce a first current via kinetic motion;

a converter electrically coupled to the generator and configured to convert the first current into a second current;

an energy storing device electrically coupled to the converter and configured to store an electrical charge; and

an illumination source electrically coupled to the energy storing device and configured to operate between an ON and an OFF state, wherein during the ON state, the electrical charge stored in the energy storing device is discharged to supply electrical power to the illumination source.

2. The vehicle sun visor of claim 1, wherein the generator comprises a wire and a magnet having a magnetic field, wherein translational movement of the magnet through the wire energizes the wire by virtue of the magnetic field of the magnet.

3. The vehicle sun visor of claim 2, wherein the generator is provided in a visor body that moves between a first position and a second position such that translational movement of the magnet occurs in a substantially vertical direction when the visor body is positioned in one of the first position and the second position.

4. The vehicle sun visor of claim 1, wherein the converter comprises one of a full wave bridge rectifier and a half wave bridge rectifier.

5. The vehicle sun visor of claim 4, wherein the first current is an alternating current (AC) and the second current is a direct current (DC).

6. The vehicle sun visor of claim 5, further comprising a first capacitor for smoothing the DC current.

7. The vehicle sun visor of claim 6, wherein the rectifier, the first capacitor, and the energy storage device are connected in parallel.

8. The vehicle sun visor of claim 7, wherein the energy storing device comprises one of a rechargeable battery and a second capacitor.

9. The vehicle sun visor of claim 8, wherein the illumination source comprises at least one light emitting diode (LED).

10. The vehicle sun visor of claim 9, further comprising a switch for turning the at least one light emitting diode between an ON state and an OFF state.

11. The vehicle sun visor of claim 10, wherein the energy storing device is connected in parallel to a series combination of the switch and the at least one light emitting diode.

12. A vehicle sun visor comprising:

a magnet configured to energize a wire via kinetic motion;

a visor body having an illumination source and configured to support kinetic motion of the magnet; and

an energy storage device for storing an electrical charge produced by the energized wire;

wherein discharging of the energy storage device powers the illumination source.

13. The vehicle sun visor of claim 12, wherein the visor body supports translational movement of the magnet through the wire.

14. The vehicle sun visor of claim 13, wherein the visor body moves between a first position and a second position such that translational movement of the magnet occurs in a substantially vertical direction when the visor body is positioned in one of the first position and the second position.

15. The vehicle sun visor of claim 12, wherein energization of the wire produces alternating current (AC).

16. The vehicle sun visor of claim 15, further comprising a rectifier for rectifying the AC current into direct current DC.

17. The vehicle sun visor of claim 16, further comprising a switch for turning the illumination source between an ON and an OFF state.

18. The vehicle sun visor of claim 17, further comprising a capacitor for smoothing the DC current.

19. The vehicle sun visor of claim 18, wherein the energy storing device is connected in parallel with the capacitor, the rectifier, and a series combination of the switch and the illumination source.

20. A method for powering an illumination source of a vehicle sun visor, comprising the steps of:

providing a magnet and a wire;

energizing the wire via translational movement of the magnet;

charging an energy storing device by virtue of the energized wire; and

discharging the energy storage device to power the illumination source.