Power generation systems and methods for wheeled objects
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62B-005/04
B62B-003/14
A47F-010/04
B60K-025/08
B60T-007/18
G01C-021/00
G01C-021/12
G06Q-010/08
G08B-013/24
G08G-001/00
H02K-007/18
B60T-007/16
H04W-004/02
G01C-021/20
B62B-005/00
출원번호
US-0470617
(2014-08-27)
등록번호
US-9586606
(2017-03-07)
발명자
/ 주소
Carter, Scott J.
Hannah, Stephen E.
출원인 / 주소
Gatekeeper Systems, Inc.
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
4인용 특허 :
127
초록▼
A power generation system for wheeled objects comprises a generator mechanically coupled to one or more of the object's wheels to convert wheel rotational energy into electrical energy. The power generation system may comprise an electrical storage device configured to store the electrical power pro
A power generation system for wheeled objects comprises a generator mechanically coupled to one or more of the object's wheels to convert wheel rotational energy into electrical energy. The power generation system may comprise an electrical storage device configured to store the electrical power produced by the generator. Power from the generator and/or the electrical storage device can be used to provide power to other electrical systems in or on the object. In certain embodiments, the electrical storage device comprises a bank of high-capacity capacitors connected in series. Some embodiments use a control circuit, for example, to regulate the charging and discharging of the capacitor bank and to provide suitable voltages for other systems. The power generation system may be disposed within an object's wheel, such as a wheel of a shopping cart.
대표청구항▼
1. A method of managing power in a braking system of an object having a wheel, the method comprising: generating power in response to rotation of the wheel;storing said generated power in a capacitor;applying braking force to the wheel using power from the capacitor;monitoring a level of power in th
1. A method of managing power in a braking system of an object having a wheel, the method comprising: generating power in response to rotation of the wheel;storing said generated power in a capacitor;applying braking force to the wheel using power from the capacitor;monitoring a level of power in the capacitor; andreleasing the braking force when the monitored level is approximately equal to the amount of power required to release the braking force. 2. The method of claim 1, the method further comprising: providing supplemental power in response to a defined condition so as to apply a braking force. 3. The method of claim 2, wherein the defined condition relates to a second level of power in the capacitor. 4. The method of managing power of claim 1, further comprising, after releasing the braking force: generating additional power in response to rotation of the wheel;storing the additional power in the capacitor;monitoring the level of power in the capacitor; andapplying braking force to the wheel using power from the capacitor when the monitored level is in a second predetermined condition. 5. The method of managing power of claim 4, wherein the second predetermined condition comprises an amount of electrical energy used for applying and releasing the braking force. 6. The method of managing power of claim 1, wherein storing said generated power in a capacitor comprises storing said generated power in a plurality of capacitors. 7. The method of managing power of claim 1, wherein the monitored level that is approximately equal to the amount of power required to release the braking force includes an amount of power for operating a microcontroller. 8. A method of managing power in a braking system of a non-motorized vehicle, the method comprising: generating power in response to rotation of a wheel;storing said generated power in a power storage reservoir;engaging a wheel brake mechanism;monitoring a level of power in the power storage reservoir;disengaging the wheel brake mechanism in response to a first condition being satisfied, the first condition being satisfied when the monitored level of power is less than a first amount of power approximately equal to an amount of power required to disengage the wheel brake mechanism, the disengaging powered, at least in part, by the power storage reservoir; andre-engaging the wheel brake mechanism in response to a second condition being satisfied. 9. The method of claim 8, wherein: engaging the wheel brake mechanism comprises using power from the power storage reservoir to engage the wheel brake mechanism; anddisengaging the wheel brake mechanism comprises using power from the power storage reservoir to disengage the wheel brake mechanism. 10. The method of claim 9, wherein re-engaging the wheel brake mechanism comprises using power from a back-up power source to re-engage the wheel brake mechanism. 11. The method of claim 10, wherein the second condition is satisfied when the first condition is satisfied and the wheel is detected to rotate. 12. The method of claim 8, further comprising detecting a wireless signal, and wherein engaging the wheel brake mechanism is based, at least in part, on detecting the wireless signal. 13. A method of managing power in a braking system of a non-motorized vehicle, the method comprising: generating power in response to rotation of a wheel;storing said generated power in a power storage reservoir;determining that the non-motorized vehicle is in a first location;engaging a wheel brake mechanism in response to determining that the non-motorized vehicle is at the first location;monitoring a level of power in the power storage reservoir;determining whether a first condition is satisfied, the first condition being satisfied when the monitored level of power is less than or equal to a first amount of power approximately equal to an amount of power required to disengage the wheel brake mechanism; anddisengaging the wheel brake mechanism in response to determining that the first condition is satisfied. 14. The method of claim 13, wherein determining the first location of the non-motorized vehicle comprises detecting a wireless signal transmitted from a stationary transmitter. 15. The method of claim 13, wherein determining the first location of the non-motorized vehicle comprises making a dead reckoning positional calculation. 16. The method of claim 13, wherein the method further comprises: determining that the non-motorized vehicle is in a second location that is within a permitted area; andreceiving an unlock signal. 17. The method of claim 13, wherein determining the first location of the non-motorized vehicle comprises determining that the non-motorized vehicle is outside of a permitted area. 18. The method of claim 13, further comprising: determining whether a second condition is satisfied; andre-engaging the wheel brake mechanism in response to the second condition being satisfied. 19. The method of claim 18, wherein the second condition is satisfied when the monitored level of power is greater than or equal to a second level, the second level being at least a level sufficient to engage and disengage the wheel brake mechanism. 20. A method of managing power in a braking system of a non-motorized vehicle, the method comprising: generating power in response to rotation of a wheel;storing said generated power in a power storage reservoir;engaging a wheel brake mechanism;monitoring a level of power in the power storage reservoir;disengaging the wheel brake mechanism in response to a first condition being satisfied, the first condition being satisfied when the monitored level of power is less than a first amount of power less than an amount of power required to disengage the wheel brake mechanism, the disengaging powered, at least in part, by a back-up power source; andre-engaging the wheel brake mechanism in response to a second condition being satisfied. 21. The method of claim 20, wherein: engaging the wheel brake mechanism comprises using power from the power storage reservoir to engage the wheel brake mechanism; anddisengaging the wheel brake mechanism comprises using power from the power storage reservoir to disengage the wheel brake mechanism. 22. The method of claim 21, wherein re-engaging the wheel brake mechanism comprises using power from a back-up power source to re-engage the wheel brake mechanism. 23. The method of claim 22, wherein the second condition is satisfied when the first condition is satisfied and the wheel is detected to rotate. 24. The method of claim 20, further comprising detecting a wireless signal, and wherein engaging the wheel brake mechanism is based, at least in part, on detecting the wireless signal.
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이 특허에 인용된 특허 (127)
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