Floating armature

• US 10,604,020 B2
• Filed: 11/14/2016
• Issued: 03/31/2020
• Est. Priority Date: 11/13/2015
• Status: Active Grant

• Current Assignee: NIO Technology Company Limited (Shanghai Anbin Technology Co., Ltd.)
• Original Assignee: Nio Usa Inc.
• Inventors: Ricci, Christopher P.
• Primary Examiner(s): Robbins, Jerry D
• Application Number:
  US15/351,440
• Publication Number:
  US 20170136897A1
• Time in Patent Office: 1,233 Days
• Field of Search: 320108
• CPC Class Codes: B60C 19/00 Tyre parts or constructions not otherwise provided for
• CPC Class Codes: B60C 2019/005 Magnets integrated within the tyre structure
• CPC Class Codes: B60C 2200/04 for road vehicles, e.g. passenger cars
• CPC Class Codes: B60L 5/005 without mechanical contact between the collector and the power supply line
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/38 specially adapted for charging by inductive energy transfer
• CPC Class Codes: B60M 7/003 for vehicles using stored power (e.g. charging stations)
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

Devices and systems are provided to isolate and/or reduce vibration from a charging panel. A system for reducing vibration between a charging panel of an electric vehicle and the electric vehicle may include a charging panel, an armature coupled to the charging panel, and a floating section, wherein the armature is between the floating section and the charging panel.

Claims

1. A system for reducing vibration in an electric vehicle, the system comprising:

a charging panel;

an armature assembly coupled to the electric vehicle and the charging panel, the armature assembly including a floating section that isolates vibration between the charging panel and the electric vehicle, wherein the floating section includes a first portion coupled to one of the electric vehicle or the charging panel and a second portion coupled to the other one of the electric vehicle or the charging panel,

wherein the first portion includes a T-shaped element having a T-top that is substantially enclosed by the second portion and a T-leg that extends away from the T-top and that protrudes from the second portion,

wherein, in a cross-sectional view, the second portion conforms to a shape of the T-top to substantially enclose the T-top; and

a plurality of magnet assemblies, each magnet assembly of the plurality of magnet assemblies including a first magnet coupled to the first portion and a second magnet coupled to the second portion opposite the first magnet with like poles oriented toward each other,

wherein a first set of the plurality of magnet assemblies is located closer to a first end of the T-top than a second end of the T-top that is opposite the first end, and

wherein a second set of the plurality of magnet assemblies is located closer to the second end of the T-top than the first end.

2. The system of claim 1, wherein the first portion does not touch the second portion, wherein top and bottom surfaces of the T-top extend in a first direction that is substantially parallel with a top surface of the charging panel, and wherein the T-leg extends in a second direction, substantially perpendicular to the first direction.

3. The system of claim 2,

wherein the first set of the plurality of magnet assemblies includes:

a first magnet assembly coupled to the first end of the T-top;

a second magnet assembly coupled to a top of the T-top toward the first end of the T-top, wherein the top of the T-top is adjacent to the T-leg; and

a third magnet assembly coupled to a bottom of the T-top toward the first end of the T-top, wherein the bottom of the T-Top is opposite the top of the T-top; and

wherein the second set of the plurality of magnet assemblies includes;

a fourth magnet assembly coupled to the second end of the T-top;

a fifth magnet assembly coupled to the top of the T-top toward the second end of the T-top; and

a sixth magnet assembly coupled to the bottom of the T-top toward the second end of the T-top.

4. The system of claim 2, further comprising:

a plurality of pressurization devices, wherein each pressurization device of the plurality of pressurization devices pressurizes a liquid between the first portion and the second portion.

5. The system of claim 2, further comprising:

a plurality of pressurization devices, wherein each pressurization device of the plurality of pressurization devices pressurizes a gas between the first portion and the second portion.

6. The system of claim 5, wherein the gas is atmospheric air.

7. The system of claim 1, wherein at least one of the first portion and the second portion includes a plurality of floating devices.

8. The system of claim 7, wherein the plurality of floating devices comprises a plurality of pressurization devices, wherein each pressurization device of the plurality of pressurization devices pressurizes a liquid between the first portion and the second portion.

9. The system of claim 7, wherein the plurality of floating devices comprises a plurality of pressurization devices, wherein each pressurization device of the plurality of pressurization devices pressurizes a gas between the first portion and the second portion.

10. The system of claim 9, wherein the gas is atmospheric air.

11. The system of claim 7, wherein the first portion does not touch the second portion.

12. The system of claim 7, wherein the first portion is suspended within the second portion.

13. The system of claim 7, further comprising:

an actuator rod coupled to the floating section, the actuator rod being configured to move the armature assembly.

14. The system of claim 1, further comprising:

an actuator rod coupled to the floating section, the actuator rod being configured to move the armature assembly.

15. The system of claim 1, wherein the charging panel wirelessly accepts energy transferred from a charging source.

16. A system for an electric vehicle comprising:

a charging panel;

a floating section coupled to the charging panel and that isolates vibration between the charging panel and the electric vehicle,

wherein the floating section includes a first portion coupled to one of the electric vehicle or the charging panel and a second portion coupled to the other one of the electric vehicle or the charging panel,

wherein the first portion includes a T-shaped element having a T-top that is substantially enclosed by the second portion and a T-leg that extends away from the T-top and that protrudes from the second portion, and

wherein, in a cross-sectional view, the second portion conforms to a shape of the T-top to substantially enclose the T-top; and

a plurality of magnet assemblies, each magnet assembly of the plurality of magnet assemblies including a first magnet coupled to the first portion and a second magnet coupled to the second portion opposite the first magnet with like poles oriented toward each other,

wherein a first set of the plurality of magnet assemblies are located closer to a first end of the T-top than a second end of the T-top that is opposite the first end, and

wherein a second set of the plurality of magnet assemblies are located closer to the second end of the T-top than the first end.

17. A floating armature assembly comprising:

a charging panel;

a floating section coupled to the charging panel and that isolates vibration between the charging panel and an object mounted to the floating section,

wherein the floating section includes a first portion coupled to one of the object or the charging panel and a second portion coupled to the other one of the object or the charging panel,

wherein the first portion includes a T-shaped element having a T-top that is substantially enclosed by the second portion and a T-leg that extends away from the T-top and that protrudes from the second portion,

wherein, in a cross-sectional view, the second portion conforms to a shape of the T-top to substantially enclose the T-top, and

wherein the first portion and the second portion include a structure to isolate the vibration between the charging panel and the object mounted to the floating section,

wherein the structure includes a plurality of magnet assemblies, each magnet assembly of the plurality of magnet assemblies including a first magnet coupled to the first portion and a second magnet coupled to the second portion opposite the first magnet with like poles oriented toward each other,

wherein a first set of the plurality of magnet assemblies is located closer to a first end of the T-top than a second end of the T-top that is opposite the first end, and

wherein a second set of the plurality of magnet assemblies is located closer to the second end of the T-top than the first end.

18. The system of claim 17, wherein the first set of the plurality of magnet assemblies includes:

a first magnet assembly coupled to the first end of the T-top;

a second magnet assembly coupled to a top of the T-top toward the first end of the T-top, wherein the top of the T-top is adjacent to the T-leg; and

a third magnet assembly coupled to a bottom of the T-top toward the first end of the T-top, wherein the bottom of the T-Top is opposite the top of the T-top; and

wherein the second set of the plurality of magnet assemblies includes;

a fourth magnet assembly coupled to the second end of the T-top;

a fifth magnet assembly coupled to the top of the T-top toward the second end of the T-top; and

a sixth magnet assembly coupled to the bottom of the T-top toward the second end of the T-top.