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| Number | Title | Issue Date |
| 7364411 | Fan impeller and fan motor Small, high-performance centrifugal fan for cooling portable electronic devices. The centrifugal fan motor employs a cantilever-type impeller constituted by an impeller blade unit that includes a lower endwall portion at axial one end, having a wall surface for brea... | 04/29/2008 |
| 7195450 | Multiblade fan and electronic apparatus having a multiblade fan A multiblade fan includes a case having an air intake port and an air exhaust port, an impeller disposed in said case and having a plurality of blades rotatable about the center of said air intake port, and a noise silencer fin extending substantially parallel to th... | 03/27/2007 |
| 7021894 | Apparatus for cooling of electronic components An apparatus for cooling of electronic components of the present invention are provided with a heatsink and a blower with an electric drive. The heatsink comprises a base and heat exchanging means. The electric drive comprises a stator and a rotor with an axle; the ... | 04/04/2006 |
| 7001140 | Centrifugal fan diffuser At least one embodiment of the present inventive technology focuses on a vaneless diffuser adapted for establishment extra-radially of a centrifugal fan, wherein the diffuser may effect an optimal transformation of velocity pressure into static pressure of a fluid (... | 02/21/2006 |
| 6638005 | Coaxial wind turbine apparatus having a closeable air inlet opening A coaxial wind turbine apparatus which includes a pair of rearward-mounted, spring-loaded fins to orient the air inlet opening to face the direction of the oncoming wind and close a damper panel or shutter array at the air inlet opening during very high w... | 10/28/2003 |
| 6077032 | Housing assembly for a vacuum cleaner A motor housing for a vacuum cleaner includes a main body, a peripheral rim, and an interconnecting base bounding portions of a working air chamber. A portion of the peripheral rim defines a sidewall having a plurality of vanes and a plurality of exhaust ... | 06/20/2000 |
| 5944481 | Transverse fan with flow stabilizer The discharge flow path of a transverse fan is modified by placing ramps on the rear/bottom wall to provide localized acceleration of the flow while preventing the establishment of flow instability. The ramps reduce the noise generated without deteriorati... | 08/31/1999 |
| 5943878 | Tangential fan scroll and discharged diffuser design An air conditioning unit comprising: a housing having a first half and a second half; the first half of the housing containing an indoor heat exchange coil and a blower moving air through said coil from at least a housing inlet to a housing outlet. The bl... | 08/31/1999 |
| 5918666 | Indoor unit for air conditioner An indoor unit for an air conditioner wherein a heat exchanger is tilted downward toward a rear guide in order to uniformly achieve an air inflow speed. A leading edge, a point from which the rear guide starts to curve, is located between an angle of 50 t... | 07/06/1999 |
| 5570996 | Compact centrifugal fan A centrifugal fan includes a housing that defines an air inlet leading to an air chamber defined within the fan impeller and an air exit port coupled to an air passageway. The housing includes a shroud that defines a two zone air passageway in the housing... | 11/05/1996 |
| 5449271 | Transverse fan with randomly varying I-shaped tongue A vortex wall (14) and impeller (30) assembly for a transverse or cross flow fan (10). The wall is intended to reduce blade rate tonal noise and is formed in a number of segments (15). The segments have noses with J shaped cross sections and are arranged ... | 09/12/1995 |
| 5297926 | Flow generating apparatus and method of manufacturing the apparatus Movement of a fluid such as air is produced by rotating about a rotational axis a plurality of flow generating plates arranged in parallel with clearances therebetween. The clearances between adjacent flow generating plates for producing the movement of t... | 03/29/1994 |
| 4328661 | Cross flow rotary mower having an axial expansion section A cross flow rotary type mower has a rotor (21) mounted for rotation about a vertical axis. A housing having an upper wall (10) and side walls (29, 30, 31) surrounds the rotor to form a cross-flow blower. A portion (37) of the upper wall is expanded axial... | 05/11/1982 |
