Portable driven generator

• US 9,219,405 B2
• Filed: 06/18/2013
• Issued: 12/22/2015
• Est. Priority Date: 06/20/2012
• Status: Expired due to Fees

• Current Assignee: Xiangjun Cai
• Original Assignee: Xiangjun Cai
• Inventors: Cai, Xiangjun
• Primary Examiner(s): RICHMAN, GLENN E
• Application Number:
  US13/921,179
• Publication Number:
  US 20130345024A1
• Time in Patent Office: 917 Days
• US Class Current: 1/1
• CPC Class Codes: A63B 22/0605 performing a circular movement, e.g. ergometers
• CPC Class Codes: H02K 7/1846 structurally associated with wheels or associated parts dynamos arranged in the wheel hub of cycles B62J6/12

Abstract

A portable driven generator for a bicycle includes a power generator assembly and a power generating circuitry. The power generator assembly includes a power generator supported on a bicycle frame, a driven shaft rotatably extended from the power generator, and a frictional member attached on the driven shaft and is in physical contact with a tire of the bicycle, wherein when the wheel rotates, the frictional member and the driven shaft are driven to rotate accordingly for generating electricity by the power generator. The power generating circuitry electrically connected to the power generator and the electrical appliance, wherein when power generator is activated to generate electricity, the electricity is regulated by the power generating circuitry, which is arranged to control an output current of the electricity supplied to the electrical appliance so as to uniformly and constantly transmit electrical power to the electrical appliance for operation thereof.

Claims

1. A portable driven generator for a bicycle having bicycle frame, a wheel rotatably supported on said bicycle frame, a tire supported on said wheel, and an electrical appliance mounted on said bicycle frame, wherein said portable driven generator comprises:

a power generator assembly which comprises;

a power generator supported on said bicycle frame,

a driven shaft rotatably extended from said power generator,

a frictional member attached on said driven shaft and is in physical contact with said tire of said bicycle, wherein when said wheel rotates, said frictional member and said driven shaft are driven to rotate accordingly for generating electricity by said power generator, and

a mounting arrangement, attached between said power generator and said bicycle frame so as to mount said power generator on said bicycle frame, comprising a supporting housing connected between said power generator and said bicycle frame; and

a power generating circuitry electrically connected to said power generator and said electrical appliance, wherein when power generator is activated to generate electricity, said electricity is regulated by said power generating circuitry, which is arranged to control an output current of said electricity supplied to said electrical appliance so as to uniformly and constantly transmit electrical power to said electrical appliance for operation thereof, wherein said power generating circuitry is securely received in said supporting housing and is electrically connected to said power generator, wherein said mounting arrangement further comprises a holder detachably mounted on a top side of said supporting housing, while said supporting housing has a holding platform formed on said top side thereof, wherein said bicycle frame is arranged to accommodate on said holding platform and is retained in position by said holder, wherein said power generator is mounted at a bottom side of said supporting housing so that said supporting housing is connected between said power generator and said bicycle frame.

2. The portable driven generator, as recited in claim 1, wherein said holder is detachably mounted on said supporting housing at a position substantially aligning with said holding platform through a plurality of connectors.

3. The portable driven generator, as recited in claim 2, wherein said mounting arrangement further comprises a resilient element provided in said supporting housing for absorbing said vibration generated by said bicycle frame when said bicycle is operated.

4. The portable driven generator, as recited in claim 2, wherein said power generator comprises a generator unit mounted underneath said supporting housing wherein said driven shaft is rotatably and outwardly extended from said generator unit, in such a manner that when said driven shaft is driven to rotate, said generator unit is arranged to generate a predetermined amount of electricity which is transmitted to said power generating circuitry.

5. The portable driven generator, as recited in claim 4, further comprising a power outlet port adapted for electrically connecting to an external and additional electrical appliance, wherein said power outlet port comprises a connection head extended from said power generator and a connection cable connecting said connection head and said power generator, wherein said power outlet port is electrically connected to said power generating circuitry which is arranged to control and regulate said power outputted to said external electrical appliance.

6. The portable driven generator, as recited in claim 5, wherein said frictional member comprises a main body having a through slot formed thereon, wherein said driven shaft of said power generator assembly is arranged to penetrate said through slot so as to allow said frictional member to mount on said driven shaft.

7. The portable driven generator, as recited in claim 6, wherein said main body of said frictional member has a connecting portion and a frictional portion extended from said connecting portion, wherein said frictional portion and said connecting portion is inclined at a predetermined angle so as to allow said frictional portion to fittedly align with said tire of said bicycle while said connecting portion is securely connected to said driven shaft of said power generator assembly.

8. The portable driven generator, as recited in claim 7, wherein said power generator assembly further comprises a control switch operatively provided on said power generator, wherein when said control switch is activated, said power generator is activated to generate electricity in response to rotational movement of said corresponding wheel, wherein said driven draft of said power generator assembly is arranged to longitudinally move in such a manner that when said driven shaft is outwardly pulled from said power generator, said power generator is deactivated.

9. The portable driven generator, as recited in claim 4, further comprising a connection hub mounted on said bicycle frame and is electrically connected to said power outlet port, wherein said connection hub comprises a hub housing and a plurality of power outlets formed thereon, wherein a user is able to electrically connect said external electrical appliance to one of said power outlets so as to acquire electricity generated by said power generator.

10. The portable driven generator, as recited in claim 9, wherein said frictional member comprises a main body having a through slot formed thereon, wherein said driven shaft of said power generator assembly is arranged to penetrate said through slot so as to allow said frictional member to mount on said driven shaft.

11. The portable driven generator, as recited in claim 10, wherein said main body of said frictional member has a connecting portion and a frictional portion extended from said connecting portion, wherein said frictional portion and said connecting portion is inclined at a predetermined angle so as to allow said frictional portion to fittedly align with said tire of said bicycle while said connecting portion is securely connected to said driven shaft of said power generator assembly.

12. The portable driven generator, as recited in claim 11, wherein said power generator assembly further comprises a control switch operatively provided on said power generator, wherein when said control switch is activated, said power generator is activated to generate electricity in response to rotational movement of said corresponding wheel, wherein said driven draft of said power generator assembly is arranged to longitudinally move in such a manner that when said driven shaft is outwardly pulled from said power generator, said power generator is deactivated.

13. A bicycle, comprising:

a bicycle frame;

at least one wheel rotatably supported on said bicycle frame;

at least one tire supported on said wheel, and an electrical appliance mounted on said bicycle frame; and

a portable driven generator, which comprises a power generator assembly which comprises;

a power generator supported on said bicycle frame,

a driven shaft rotatably extended from said power generator,

a frictional member attached on said driven shaft and is in physical contact with said tire of said bicycle, wherein when said wheel rotates, said frictional member and said driven shaft are driven to rotate accordingly for generating electricity by said power generator, and

a mounting arrangement attached between said power generator and said bicycle frame so as to mount said power generator on said bicycle frame; and

a power generating circuitry electrically connected to said power generator and said electrical appliance, wherein when power generator is activated to generate electricity, said electricity is regulated by said power generating circuitry, which is arranged to control an output current of said electricity supplied to said electrical appliance so as to uniformly and constantly transmit electrical power to said electrical appliance for operation thereof, wherein said mounting arrangement comprises a supporting housing connected between said power generator and said bicycle frame, wherein said power generating circuitry is securely received in said supporting housing and is electrically connected to said power generator.

14. The bicycle, as recited in claim 13, wherein said mounting arrangement further comprises a holder detachably mounted on a top side of said supporting housing, while said supporting housing has a holding platform formed on said top side thereof, wherein said bicycle frame is arranged to accommodate on said holding platform and is retained in position by said holder, wherein said power generator is mounted at a bottom side of said supporting housing so that said supporting housing is connected between said power generator and said bicycle frame.

15. The bicycle, as recited in claim 14, wherein said holder is detachably mounted on said supporting housing at a position substantially aligning with said holding platform through a plurality of connectors.

16. The bicycle, as recited in claim 15, wherein said mounting arrangement further comprises a resilient element provided in said supporting housing for absorbing said vibration generated by said bicycle frame when said bicycle is operated.

17. The bicycle, as recited in claim 16, wherein said power generator comprises a generator unit mounted underneath said supporting housing wherein said driven shaft is rotatably and outwardly extended from said generator unit, in such a manner that when said driven shaft is driven to rotate, said generator unit is arranged to generate a predetermined amount of electricity which is transmitted to said power generating circuitry.

18. The bicycle, as recited in claim 17, wherein said electrical appliance comprises an illumination unit mounted on said power generator, wherein said electricity generated by said power generator is transmitted to said illumination unit for activating it to generate illumination.

19. The bicycle, as recited in claim 18, further comprising a power outlet port adapted for electrically connecting to an external and additional electrical appliance, wherein said power outlet port comprises a connection head extended from said power generator and a connection cable connecting said connection head and said power generator, wherein said power outlet port is electrically connected to said power generating circuitry which is arranged to control and regulate said power outputted to said external electrical appliance.

20. The bicycle, as recited in claim 19, wherein said frictional member comprises a main body having a through slot formed thereon, wherein said driven shaft of said power generator assembly is arranged to penetrate said through slot so as to allow said frictional member to mount on said driven shaft.

21. The bicycle, as recited in claim 20, wherein said main body of said frictional member has a connecting portion and a frictional portion extended from said connecting portion, wherein said frictional portion and said connecting portion is inclined at a predetermined angle so as to allow said frictional portion to fittedly align with said tire of said bicycle while said connecting portion is securely connected to said driven shaft of said power generator assembly.

22. The bicycle, as recited in claim 21, wherein said power generator assembly further comprises a control switch operatively provided on said power generator, wherein when said control switch is activated, said power generator is activated to generate electricity in response to rotational movement of said corresponding wheel, wherein said driven draft of said power generator assembly is arranged to longitudinally move in such a manner that when said driven shaft is outwardly pulled from said power generator, said power generator is deactivated.

23. The bicycle, as recited in claim 18, further comprising a connection hub mounted on said bicycle frame and is electrically connected to said power outlet port, wherein said connection hub comprises a hub housing and a plurality of power outlets formed thereon, wherein a user is able to electrically connect said external electrical appliance to one of said power outlets so as to acquire electricity generated by said power generator.

24. The bicycle, as recited in claim 23, wherein said frictional member comprises a main body having a through slot formed thereon, wherein said driven shaft of said power generator assembly is arranged to penetrate said through slot so as to allow said frictional member to mount on said driven shaft.

25. The bicycle, as recited in claim 24, wherein said main body of said frictional member has a connecting portion and a frictional portion extended from said connecting portion, wherein said frictional portion and said connecting portion is inclined at a predetermined angle so as to allow said frictional portion to fittedly align with said tire of said bicycle while said connecting portion is securely connected to said driven shaft of said power generator assembly.

26. The bicycle, as recited in claim 25, wherein said power generator assembly further comprises a control switch operatively provided on said power generator, wherein when said control switch is activated, said power generator is activated to generate electricity in response to rotational movement of said corresponding wheel, wherein said driven draft of said power generator assembly is arranged to longitudinally move in such a manner that when said driven shaft is outwardly pulled from said power generator, said power generator is deactivated.