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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0935285 (1992-08-26) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 0 |
An electric fan includes a vane assembly fastened to a hub connected to a base plate in front of a motor output shaft of the motor by a connector and two bearings, which vane assembly is consisted of a plurality of vanes, of which each is comprised of an electric heating element covered by two alumi
An electric fan comprising: a base plate fastened to a housing in front of a motor, said base plate having a front socket, two bearing inserted into an insulating bushing and tightened up by two copper packing rings respectively, said two bearings having each an axle hole and two opposite ends insul
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