[특허]Axial flow fan assembly and one-piece housing for axial flow fan assembly

[미국특허] Axial flow fan assembly and one-piece housing for axial flow fan assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-001/02
출원번호	US-0072110 (1998-05-04)
발명자 / 주소	Amr Yehia M.
출원인 / 주소	Carrier Corporation
대리인 / 주소	Wall Marjama Bilinski & Burr
인용정보	피인용 횟수 : 30 인용 특허 : 9

초록 ▼

An axial flow fan assembly including a housing, a stator, a motor supported by the stator, and a fan rotatably mounted on the motor. The stator is connected to the housing at an outlet end thereof, and includes a stator hub and a plurality of stator vanes each extending radially inwardly and axially downwardly from the housing. Each stator vane is connected at its inner tip to the stator hub. The motor is positioned within the housing and is supported by the stator hub. The fan is secured to the shaft of the motor, and includes a fan hub and a plurality of fan blades extending substantially radially outwardly from the fan hub. The particular configuration of the stator vanes allows the entire length of the motor casing to be encompassed between the inlet of the housing and the stator hub, which in turn provides a substantial reduction of the overall axial height of the fan assembly. The stator vanes also allow increased spacing between the fan blades and the stator vanes, which in turn reduces interaction between the fan blades and stator vanes. This reduces the level of noise generated by the fan.

대표청구항 ▼

[ What is claimed is:] [1.] An axial flow fan assembly, comprising:a housing having an inlet at one end thereof and an outlet at the other end thereof;a stator connected to said housing at said outlet end, said stator comprising a stator hub and a plurality of stator vanes each extending radially inwardly and axially downwardly from said housing and each being connected at its inner tip to said stator hub;a motor having a casing with a first end and an opposed second end, and a shaft extending from said first end, said motor being positioned within said housing such that said second end is supported by said stator hub, and said first end extends toward said inlet of said housing; anda fan secured to the shaft of said motor, said fan comprising a fan hub and a plurality of fan blades extending substantially radially outwardly from said fan hub;wherein the entire length of said motor casing is encompassed between the inlet of said housing and said stator hub;wherein the tip portions of said fan blades are swept in a first direction with respect to the direction of rotation of said fan, and said stator vanes are swept in a second direction opposite said first direction.

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

Amr Yehia M. (Manlius NY), Axial flow fan and fan orifice.
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Meier Peter (Lindau CHX), Axial mini ventilator with parabolic guide vanes.
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Gray ; III Leslie M. (Belmont MA), Back-skewed fan.
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Tanaka Eiichi (Yamatokoriyama JPX) Furumai Koro (Ikomo JPX) Indo Masahiro (Tenri JPX) Kawabata Norio (Nara JPX), Combustion appliance with a safety device.
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Coup Michael C. (Wichita KS) Israel Gary P. (Wichita KS) Ediger Glen W. (Newton KS) Moore Donald J. (Wichita KS), Ducted fan.
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Chou Rudy S. (Liverpool NY) Doyel Ronald L. (Liverpool NY), Fan housing.
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Amr Yehia M. (Manlius NY) Fallows ; III W. Joseph (Windsor MA) Hogan Mark R. (Manlius NY), Fan orifice structure and cover for outside enclosure of an air conditioning system.
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Bengtsson Anders (VxjSEX) Bs Erik (VxjSEX), Guide vane for an axial fan.
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Rosseau Todd D. (Ann Arbor MI), Low noise fan.
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이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

Hwang, Ching-Bai; Zhang, Jie, Axial fan.
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Cuerdon, Martin J., Axial fan inlet wind-turning vane assembly.
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Fujimori,Motoyuki; Kitamura,Masakazu; Hashizume,Toshiaki, Axial-flow fan and projector provided with the same.
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Andrew C. Barry ; Timothy O. Williams ; Ricky R. Haynie ; Jon Schlemmer, Combined axial flow and centrifugal fan in an electrical motor.
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Chapman, Thomas, Compact centrifugal blower with annular stator.
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Oh, Pil-yong, Cooling fan assembly.
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Schwartz,William, Cooling fan system for automotive vehicle.
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Stephen L. Moretti ; Peter R. Bushnell, Evaporator scroll for blower wheel.
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Horng, Alex, Fan.
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Takemoto, Shinji; Konishi, Hideaki, Fan apparatus.
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Lee,Chin Hung; Chang,Shun Chen; Lin,Kuo Cheng; Huang,Wen Shi; Chang,Hsiou Chen, Heat-dissipating fan.
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Lee, Chin-Hung; Chang, Shun-Chen; Lin, Kuo-Cheng; Huang, Wen-Shi; Chang, Hsiou-Chen, Heat-dissipating fan and its housing.
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Lee,Chin Hung; Chang,Shun Chen; Lin,Kuo Cheng; Huang,Wen Shi; Chang,Hsiou Chen, Heat-dissipating fan and its housing.
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Parker, Danny S.; Su, Guan Hua; Hibbs, Bart D., High efficiency ceiling fan blades.
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Phillip D. Calvert, High-performance molded fan.
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Phillip D. Calvert, High-performance molded fan.
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Fumihiro Umeda JP; Shinji Takemoto JP, Housing for fan units, and electrical apparatus using a fan unit.
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Bruce Wilkinson ; Richard Lord ; Scott K. Batchelder, Marine in bilge blower.
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Eubank,Gerry E.; Komisarz,Paul S., Motor fan guard.
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Yabuuchi, Yuji, Motor having heat-dissipating structure for circuit component and fan unit including the motor.
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Stevens, William M.; Black, William Murray; Nicholls, Stephens; Liedel, Markus; Helming, Thomas; Bruder, Peter; Hermann, Hugo; Weigand, Britt; Weickenmeier, Klaus; Ulrich, Jens, Mount for connecting automotive fan motor to housing.
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Stevens,William M.; Black,William Murray; Nicholls,Stephens; Liedel,Markus; Helming,Thomas; Bruder,Peter; Hermann,Hugo; Weigand,Britt; Weickenmeier,Klaus; Ulrich,Jens, Mount for connecting automotive fan motor to housing.
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Chang,Bor Haw; Liu,Wen Hao, Outlet airflow direction control unit.
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Michael E. Slipper ; Yu-Tai Lee, Quiet and efficient high-pressure fan assembly.
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Tsuchiya,Naoki; Kato,Dai, Reduced noise aircraft stator vane.
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Lord, Wesley K., Reduced noise fan exit guide vane configuration for turbofan engines.
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Lin, Kuo-cheng; Huang, Wen-shi; Chang, Shun-chen; Yu, Pohao, Serial fan with a plurality of rotor vanes.
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Lin,Kuo cheng; Huang,Wen shi; Chang,Shun chen; Yu,Pohao, Serial fan with a plurality of rotor vanes.
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Franz, John P., Single rotor ducted fan.
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Hasan, Atif; Savage, John R., Stator vane having both chordwise and spanwise camber.
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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] Axial flow fan assembly and one-piece housing for axial flow fan assembly 원문보기