[특허]Lightweight high power electromagnetic transducer

[미국특허] Lightweight high power electromagnetic transducer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-001/22
출원번호	US-0596371 (1990-10-12)
발명자 / 주소	Fisher Gene A. (Highlands Ranch CO)
출원인 / 주소	Unique Mobility, Inc. (Englewood CO 02)
인용정보	피인용 횟수 : 53 인용 특허 : 0

초록 ▼

An electromagnetic transducer is disclosed that is lightweight and has a high power to weight ratio, with the transducer being capable of operation as an efficient motor, alternator or generator, and being particularly useful, for example, in connection with self-propelled vehicle applications such as passenger cars. The electromagnetic transducer can utilize a shell construction, which enhances heat removal, and includes a magnetic-flux producing assembly, having a plurality of spaced magnetic elements, and an armature assembly formed by a winding arrangement of dispersed conductive elements which are separated by flux carrying elements which, to the extent that such flux carrying elements are electrically conductive, are dispersed in one, two or three dimensions to thus be dispersed-phase flux carrying elements. The armature conductors and flux carrying elements are dispersed to minimize creation of opposing induced current, or eddy currents, depending on the effect produced on transducer operation. This dispersal enables operation of the transducer at high efficiency with high torque being maintained even during high speed relative motion between the magnetic flux producing assembly and the armature with the combination of high torque and high speed producing higher power per unit weight than can now known devices.

대표청구항 ▼

An electromagnetic transducer, comprising: (a) magnetic flux producing means of high energy permanent magnets for producing a magnetic flux; (b) an armature means for intercepting said magnetic flux, said armature means including conductor means having a plurality of discrete active regions for carrying electrical current and which are spaced apart and have a substantially rectangular cross-section to provide a plurality of discrete elongated open space areas between said active regions, said active regions comprising a plurality of parallel conductive wires insulated from one another, said conductive wires having a diameter on the order of 0.008″, magnetic flux carrying means comprising a multiplicity of discrete flux carrying members formed of non-sintered highly compressed iron powder particles interposed between said active regions of said conductor means, said flux carrying members containing a bonding agent to hold together said flux carrying means and a bonding agent to bond said flux carrying means and said conductor means; (c) a movable member having one of said magnetic flux producing means and said armature means secured thereto; and (d) means for mounting another of said magnetic flux producing means and said armature means to allow said movable member to move relative thereto, whereby said magnetic flux producing means and said armature means are able to move relative to one another.

이 특허를 인용한 특허 (53) 인용/피인용 타임라인 분석

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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] Lightweight high power electromagnetic transducer 원문보기