[특허]Cantilever fan

Cantilever fan 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04D-019/00 H01L-041/083 G01P-015/09 H01L-041/09 F04D-033/00
출원번호	US-0818513 (2011-08-19)
등록번호	US-9523367 (2016-12-20)
국제출원번호	PCT/US2011/048394 (2011-08-19)
§371/§102 date	20130322 (20130322)
국제공개번호	WO2012/027215 (2012-03-01)
발명자 / 주소	Lucas, Timothy S.
출원인 / 주소	Aavid Thermalloy, LLC
대리인 / 주소	Wolf, Greenfield & Sacks, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 31

초록

A cantilever fan including a cantilever blade that is clamped at one end. The fan includes an actuator that applies a periodic force to the blade resulting in periodic deflections of the blade.

대표청구항 ▼

1. A cantilever fan, comprising: a clamp base arranged to remain stationary, the clamp base having a first side and a second side opposite the first side;a first cantilever blade having a stationary end clamped to the first side of the clamp base and a blade tip opposite the stationary end such that the blade tip is free to oscillate relative to the clamp base, the first cantilever blade having a length that extends from the stationary end to the blade tip;a second cantilever blade having a stationary end clamped to the second side of the clamp base and a blade tip opposite the stationary end such that the blade tip is free to oscillate relative to the clamp base, the second cantilever blade having a length that extends from the stationary end to the blade tip;an actuator having an armature and a coil attached to the clamp base, the armature and coil arranged to remain stationary with the clamp base, the armature extending between the first and second cantilever blades at a location between the stationary end and the blade tip of the first and second cantilever blades such that an air gap is located between the armature and each of the first and second cantilever blades;wherein the coil is arranged to create an electromagnetic force in the air gaps between the armature and the first and second cantilever blades so as to apply a periodic force to the first and second cantilever blades and cause periodic deflections of the first and second cantilever blades. 2. The cantilever fan of claim 1 wherein the actuator is configured to apply the periodic force to the first and second cantilever blades and cause periodic deflections of the first and second cantilever blades at a frequency that is equal to a vibrational mode of the first and second cantilever blades. 3. The cantilever fan of claim 1 further comprising: a mass attached to each of the first and second cantilever blades configured to stabilize blade oscillations. 4. The cantilever fan of claim 1 wherein each of the first and second cantilever blades includes at least one leg section and a paddle section with the paddle section being distal to the stationary end and the leg section connecting the paddle section to the stationary end. 5. The cantilever fan of claim 4 further comprising: a mass attached to the paddle section of each of the first and second cantilever blades. 6. The cantilever fan of claim 1, wherein the armature has first and second ends respectively adjacent the first and second cantilever blades, and wherein the first and second ends each have an angled face. 7. The cantilever fan of claim 1, wherein each of the first and second cantilever blades includes a backing plate attached adjacent a respective air gap. 8. The cantilever fan of claim 1, wherein the coil is wound around the armature. 9. The cantilever fan of claim 1, wherein the electromagnetic force in the air gap for each of the first and second cantilever blades pulls each of the first and second cantilever blades toward the armature. 10. The cantilever fan of claim 1, wherein the actuator is arranged to only provide an attractive force on the first and second cantilever blades that pulls the first and second cantilever blades toward each other. 11. The cantilever fan of claim 1, wherein the first and second cantilever blades extend upwardly away from the clamp base. 12. The cantilever fan of claim 11, wherein the armature extends horizontally between the first and second cantilever blades. 13. The cantilever fan of claim 12, wherein the coil is located between the clamp base and the armature.

이 특허에 인용된 특허 (31)

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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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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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