[특허]Compact generator, light-emitting wheel having the same, and manufacturing method therefor

[미국특허] Compact generator, light-emitting wheel having the same, and manufacturing method therefor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60Q-001/26
출원번호	US-0480493 (2000-01-11)
우선권정보	KR-0032822 (1999-08-10)
발명자 / 주소	Kwang-ik Hyun KR
출원인 / 주소	Teltek Co., Ltd. KR
대리인 / 주소	Reed Smith LLP
인용정보	피인용 횟수 : 44 인용 특허 : 27

초록 ▼

An improved compact generator, a light-emitting wheel adopting the same and a manufacturing method are provided. To make a generator compact and light to smoothly perform electromagnetic induction by crossing the directions of magnetic flux of an armature coil and a permanent magnet, an assembly structure including an armature arm and the armature coil is improved. To prevent damage by impact to the permanent magnet and use a rare-earth based permanent magnet in a ring type having the thickness of 1.2 mm in Lanthanides which has a magnetic force 9-10 times stronger than that of a ferrite based permanent magnet but is weak against impacts, a permanent magnet assembly is provided in which the permanent magnet is arranged on a buffer. Also, to facilitate a lead wire connection between the generator and a light-emitting device and to prevent damage to a lead wire when a wheel hub is molded which is integrally injection-molded with the armature coil assembly, a hollow protruding lead wire guiding portion for protecting a lead wire is provided at the armature coil assembly. As a result, the generator becomes more compact, lighter, and can be reliably and efficiently manufactured in a wheel, that is, mass production is improved and the wheel can be easily replaced. Also, the size of the improved generator is minimized so as to be installed at the wheel of a roller skate. As the light-emitting device emits light by color by the current induced by a rotational force of the wheel, a user can easily identify one's position in a dark place, reducing possibility of accidents and concurrently providing interest to the user and other viewers. Further, the light-emitting wheel is simply manufactured by installing light-emitting devices on a metal circuit plate by an automated robot before or after an additional metal circuit plate is installed at a wheel hub and inserting the metal circuit plate in the wheel hub. Thus, manpower needed for a light-emitting device welding process can be reduced, a wheel assembly process is simplified, and the connection between the generator and the light-emitting device is made easy, lowering the defective rate and improving mass production. Also, when an expensive rare-earth based magnet is used, the thickness of the magnet can be decreased by fixing the permanent magnet using the buffer, which increases the economic value thereof.

대표청구항 ▼

1. A wheel generator for generating electricity according to the rotation of a wheel, said wheel generator comprising:a wheel axle; two bearings, each comprising a ring type inner part fixed to said wheel axle and surrounding said wheel axle and a ring type outer part which surrounds said inner part and is rotatable around said wheel axle, in which balls are interposed between said inner part and said outer part; a ring type permanent magnet assembly comprising a ring type permanent magnet fixedly installed surrounding the wheel axle, in which a permanent magnet is fixed and the permanent magnet having poles of alternating polarities alternately arranged in a circumferential direction; a ring type armature coil assembly which rotates together with the outer parts of said bearings so that electricity is generated by rotational movement of the ring type armature coil assembly with respect to said permanent magnet assembly; and a hub assembly surrounding and fixedly supporting the armature coil assembly, and having a throughhole formed in the center thereof, in which the two bearings are fitted into a respective side of the throughhole, wherein said permanent magnet assembly is attachably and detachably installed in a space between the positions where the bearings are installed through the respective sides of the throughhole in the hub assembly, and wherein said permanent magnet assembly further comprises a buffer means installed between said wheel axle and said permanent magnet to protect the permanent magnet from impact.

이 특허에 인용된 특허 (27) 인용/피인용 타임라인 분석

Thomas Stephen E. (4015 Heron Pl. Fremont CA 94536) Thomas Mark S. (3770 Flora Vista #403 Santa Clara CA 95051), Apparatus for generating electricity within a pneumatic wheel assembly.
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Zhang Shin-Chiu (58 ; Ma Yuan West St. Taichung TWX), Auto-electric flash wheels of rolling skate.
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Kumakura Shokichi (5-3 ; Funabori 2 chome Edogawa-ku ; Tokyo JPX), Identification lamp apparatus.
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Vancil ; Jr. Joe F. (3210 Alpha Dr. Paducah KY 42003), Illuminated roller skate wheel.
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Bakerman David (1530 Palisade Ave. Fort Lee NJ 07024), Illuminative skate wheel.
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Hill ; Jr. William C. (4018 42nd Ave. ; N. St. Petersburg FL 33714), In-line roller skate having easily replaceable bearings.
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Tseng Shen-Ko (No. 28 ; Lane 41 ; Chyau-Dong St. ; Shih-Chih Jenn Taipei Hsien TWX), Light emitting roller for roller skates.
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Hegyi James A. (15901 W. Mayflower Dr. New Berlin WI 53151), Light emitting roller skate wheels.
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Conway Pervis (3214 S. State St. Lockport IL 60441), Light generating and emitting roller skate wheel.
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Hsu Chi-Hsueh (4F ; No. 144 ; Chu-Lin Road Yung-Ho Shih ; Taipei Hsien TWX) Shyu Chih-Yes (4F ; No. 144 ; Chu-Lin Road Yung-Ho Shih ; Taipei Hsien TWX) Shyu Jong-Yes (4F ; No. 144 ; Chu-Lin Road Yung, Light-generating wheel for an in-line skate.
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Pearsall Elmer G. (Gadsden AL) Biggard Bruce W. (Arab AL) Wisner Gary E. (Boaz AL), Lighted wheel cover with a self-contained inertia-operated generator.
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St. Thomas Garth (3889 Arrowhead Dr. El Dorado Hills CA 95762), Lighting apparatus for roller skate.
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Park Seung M. (92-12 Yonhee 2-dong Seodaemoon-ku ; Seoul 120 KRX), Lighting apparatus for wheels of vehicles.
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Conway Pervis, Modular light generating and emitting roller skate wheel.
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Pozzobon Alessandro (Paderno Di Ponzano Veneto ITX) Borsoi Bruno (Conegliano ITX) Pozzebon Adolfo (Sala D\Istrana ITX), Power generator device particularly for wheeled sport implements.
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Pozzobon Alessandro (Paderno Di Ponzano Veneto ITX) Borsoi Bruno (Conegliano ITX) Pozzebon Adolfo (Sala D\Istrana ITX), Power generator device particularly for wheeled sports implements.
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Adahan Carmeli (Netivei Am 11 Ramot Gimmel ; 97552 Jerusalem ILX), Power supply for energizing DC load from AC or DC source.
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De Caro Frank, Roller blade wheel lighting system.
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Beard Steven F. (885 Linn-Hipsher Rd. Marion OH 43302), Roller skate light attachment.
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Hsu Cheng-Chin (No. 28 ; Alley 28 ; Lane 150 ; Hai Tien Road ; Sec. 2 Tainan TWX) Hung Chiu-Lan (No. 32 ; Lane 300 ; Ta Hsing Street Tainan TWX) Tsang Li-Li (No. 144-1 ; Min Chih Road Chieh Ting Hsia, Roller skate wheel with light producing means.
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Price Robert T. (Canoga Park CA), Roller skate wheel with self-contained generator.
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Hsu Chi-Hsueh (4F ; No. 144 ; Chu-Lin Road Yung-Ho Shih ; Taipei Hsien TWX) Shyu Chih-Yes (4F ; No. 144 ; Chu-Lin Road Yung-Ho Shih ; Taipei Hsien TWX) Shyu Jong-Yes (4F ; No. 144 ; Chu-Lin Road Yung, Roller skating shoes with a light emitting device.
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Strepek John E. (16 N. 287 Randall Rd. Elgin IL 60123), Self-contained lighting assembly for vehicle wheel.
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Rezvani Vahid (11903 W. 148th St. Olathe KS 66062), Self-powered lighted wheel.
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Duke Mike A. ; Reed Gerald D., Waterproof valve stem safety light for vehicles.
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Kimmell ; Steven Donald, Wheel assembly for a skateboard or the like.
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Tsu Ming Chiao,TWX ; Huang Wen I.,TWX, Wheel assembly with lighting circuit.
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McKay, John C.; Hannah, Stephen E., Brake mechanism for a non-motorized wheeled vehicle.
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Chen, Ching-Tsun, Conductive wheel with static dissipation function.
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Green, William M, Electricity generating assembly.
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Carter, Scott J.; Hannah, Stephen E., Power generation systems and methods for wheeled objects.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Compact generator, light-emitting wheel having the same, and manufacturing method therefor 원문보기

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[미국특허] Compact generator, light-emitting wheel having the same, and manufacturing method therefor 원문보기

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이 특허에 인용된 특허 (27) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (44) 인용/피인용 타임라인 분석

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