IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0208255
(2002-07-30)
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발명자
/ 주소 |
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출원인 / 주소 |
- Avionic Instruments, Inc.
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
8 |
초록
▼
An elastic motor having a constant torque characteristic utilizes a reel with elastic divided into unit lengths that are stretched to their maximum tension. Each unit length of the elastic is allowed to relax to its normal state while generating work in a process that will continue until the wheel i
An elastic motor having a constant torque characteristic utilizes a reel with elastic divided into unit lengths that are stretched to their maximum tension. Each unit length of the elastic is allowed to relax to its normal state while generating work in a process that will continue until the wheel is fully unwound. The present invention will ease design of mobile devices and the like by providing a power source having a predictable, constant, and stable output characteristic.
대표청구항
▼
1. A method of producing a substantially sawtoothed constant torque output comprising the steps of: dividing an elastic member into a plurality of elastically independent sections; individually putting at least some of said sections of said elastic member under tension, such that at least some
1. A method of producing a substantially sawtoothed constant torque output comprising the steps of: dividing an elastic member into a plurality of elastically independent sections; individually putting at least some of said sections of said elastic member under tension, such that at least some of said elastic member is under substantially uniform tension; and individually releasing the tension in each of said sections. 2. A mechanical stored energy device comprising: a first reel, said first reel being rotatable, and further comprising a lock to prevent rotation of said first reel; a first endplate, coupled to said first reel, having a diameter substantially larger than said first reel and further having a common axis of rotation with said first reel, said first endplate further comprising a plurality of slots; a member, said member being both flexible and stretchable, said member further comprising transverse bars, said bars dividing said member into elastically independent sections, said member further capable of winding upon said first reel under tension, wherein said tension stretches said member; a second reel, said second reel being rotatable, said second reel coupled to said first reel via said member; a second endplate, coupled to said second reel, and further overlapping said first endplate, having a diameter substantially larger than said second reel and further having a common axis of rotation with said second reel, said second endplate further comprising a plurality of slots; wherein said transverse bars of said member articulate with said slots of said first endplate and said second endplate, thus, when said lock is released the energy stored in said member under tension is released, allowing the transfer of energy between said first reel and said second reel, causing rotation of said second reel, said rotation having a substantially sawtoothed constant torque characteristic. 3. A mechanical stored energy device in accordance with claim 2, wherein said member is comprised of elastomeric material.4. A mechanical stored energy device in accordance with claim 2, wherein said first reel is cylindrically shaped.5. A mechanical stored energy device in accordance with claim 2, wherein said second reel is cylindrically shaped.6. A mechanical stored energy device having a substantially constant torque output, said mechanical stored energy device comprising: an elastic member consisting of an elastic material, and further comprising transverse members, said transverse members being substantially stiffer than said elastic material; a first reel, said first reel being rotatable, and further comprising a first endplate, said first endplate comprising a plurality of slots into which said transverse members can articulate, wherein said elastic member is coupled to said first reel; a second reel, said second reel being rotatable, and further comprising a second endplate, said second endplate comprises fewer slots than said first endplate, wherein said transverse members articulate into said slots on said second endplate, thereby winding said elastic member under substantially uniform tension. 7. A mechanical stored energy device according to claim 6 wherein said elastic material is an elastomeric material.8. A mechanical stored energy device according to claim 6 wherein said elastic material is rubber.9. A mechanical stored energy device according to claim 6 wherein said transverse members are perpendicular to said elastic member.10. A mechanical stored energy device according to claim 6 wherein said transverse members are made of metal.11. A mechanical stored energy device according to claim 6 wherein said elastic member is substantially greater in length than in width.12. A mechanical stored energy device according to claim 6 wherein said first reel is cylindrical.13. A mechanical stored energy device according to claim 6 wherein said first endplate shares a common axis of rotation with said first reel.14. A mechanical stored energy device according to claim 6 wherein said first endplate is circular.15. A mechanical stored energy device according to claim 6 wherein said second reel is cylindrical.16. A mechanical stored energy device according to claim 6 wherein said second endplate shares a common axis of rotation with said second reel.17. A mechanical stored energy device according to claim 6 wherein said second endplate is circular.
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