[특허]Method of constructing a dynamoelectric machine

Method of constructing a dynamoelectric machine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-015/14
출원번호	US-0148074 (1988-04-04)
발명자 / 주소	Royer Neal B. (St. Louis MO)
출원인 / 주소	Emerson Electric Co. (St. Louis MO 02)
인용정보	피인용 횟수 : 23 인용 특허 : 0

초록 ▼

A dynamoelectric machine, preferably a motor adapted for use in ceiling fan applications, has a conventional rotor assembly mounted within a bore of a stator assembly. A stationary shaft extends through the rotor assembly and provides both a cableway for electrically connecting the motor to a source of electrical energy and for permitting the attachment of additional apparatus on one end of the stationary shaft. A retainer is mounted on the stationary shaft and positions the rotor assembly with respect to the stator. The rotor assembly is attached to a hub which rotates with the rotor and provides means for attaching blades to the motor. The stator is press fit into an end shield and the resulting structure is a compact, light weight, efficient dynamoelectric machine. The end shield is provided with means for attaching a decorative enclosure about the motor, so that the asthetic appearance of the motor can be enhanced substantially. The resulting structure is relatively low weight and enables a user to install the motor, and in particular, ceiling fans more easily than prior art devices.

대표청구항 ▼

A method of constructing a dynamoelectric machine, comprising: forming an end shield having an axial opening in it, said end shield having at least one side wall; forming a hollow bore shaft with predetermined external and internal diameters and a first end and a second end, mounting said hollow bore shaft along the first end thereof in the axial opening of said end shield so as to retain said shaft in said opening, the second end of said shaft including means for mounting at least one additional device to said shaft, said hollow bore permitting electrification of said additional device; machining a portion of said side wall of said end shield after mounting said shaft in said end shield to provide squareness of said machined portion with respect to said shaft; press fitting a stator assembly for said dynamoelectric machine into said end shield along the machined portion thereof, so as to ensure squareness of said stator assembly with respect to said shaft, said stator assembly having a central bore opening in it; forming a non-lubricated hub having an axial length and an axial opening through it, said hub having an external diameter and an internal diameter, the internal diameter of said hub along its axial opening being formed sufficiently larger than the predetermined external diameter of said shaft to define a predetermined space therebetween; mounting at least one bearing along a portion of the axial opening of said hub in the predetermined space between the hub and shaft; mounting a rotor for said dynamoelectric machine on said hub along the external diameter of said hub to form a rotor and hub combination; and mounting the rotor and hub combination on said shaft so that said rotor and hub combination are supported on said shaft and rotatable with respect thereto along said bearing, said rotor and said shaft being positioned along the bore opening of said stator assembly; and attaching a decorative enclosure to said end shield.

이 특허를 인용한 특허 (23)

Wang, Cliff, Ceiling fan motor housing.
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Wang, Cliff, Ceiling fan motor housing.
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Ertze, Pablo J., Ceiling fan motor housing and light kit.
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Ertze, Pablo J., Ceiling fan motor housing and light kit.
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Wang, Cliff, Ceiling fan motor housing and light kit.
상세보기
Wang, Cliff, Ceiling fan motor housing and light kit.
상세보기
Wang, Cliff, Ceiling fan motor housing and light kit.
상세보기
Wang, Cliff, Ceiling fan motor housing and light kit.
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Bird,Gregory Michael, Ceiling fan motors.
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Mehta Vinay ; Bojko Scott P. ; Pearce Richard A. ; Sexton Marshall, Ceiling fan motors.
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Stark William H. ; Malik Muhammad S. ; Lee Lawrence L. ; Klug Peter J. ; Keck Arthur C., Dynamoelectric machine and processes for making the same.
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Schurter, Robert M.; Bishop, Charles J.; Lesak, Alan E., Electric machine and method of assembling the same.
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Tornquist, Gerald E.; Lengel, James D.; Borden, Raymond W.; Doherty, Kieran P. J.; Xu, Ming; Chen, WuenFar L.; McDowall, Gregor J. S., Exciter rotor assembly.
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Ganser, Otmar, Method of assembling an electric motor.
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Mellon Greyson L. Andy, Method of fabricating generator main lead bushings.
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Feder Gary J. ; Pearce Richard A. ; Tsuji Masao ; Gee ; II Jack W. ; Bojko Scott P. ; Hebert Mark, Modular ceiling fan assembly and system.
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Aoki, Mamoru; Miyagawa, Takayuki; Ishiwada, Hiroshi, Motor with a stationary shaft with formed knurled grooves on shaft and/or housing.
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Stocks, David; Allen, Philip; Ibbotson, Scott, Mounting assembly for an electric fan.
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Tornquist, Gerald Eugene; Borden, Raymond Walter; Lengel, James D.; McDowall, Gregor L.; Doherty, Kieran P. J., Rotor end caps and a method of cooling a high speed generator.
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Hatsios Michael John ; Rasmussen Duane ; Harris Richard Kenneth ; York Michael Timothy, Rotor shaft retention for an electrical machine.
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Tornquist, Gerald E.; Borden, Raymond W.; Lengel, James D.; Xu, Ming; Doherty, Kieran P. J.; McDowall, Gregor J. S., System and method for coupling rectifiers of an exciter to the rotor of a main generator.
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Tornquist, Gerald E.; McDowall, Gregor J. S.; Xu, Mingzhou; Doherty, Kieran P. J.; Lengel, Jim, System and method for end turn retention on a high speed generator rotor.
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Tornquist, Gerald E.; Lengel, James D.; Borden, Raymond W.; Doherty, Kieran P. J.; Xu, Ming; Chen, WuenFar L.; McDowall, Gregor J. S., System and method for retaining wedges in a rotor.
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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

내보내기 구분	파일저장 인쇄 메일전송
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Method of constructing a dynamoelectric machine 원문보기

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