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| Number | Title | Issue Date |
| 8087878 | Powerless diversion plate of a ceiling air-conditioning circulation machine A powerless diversion plate of a ceiling air-conditioning circulation machine includes a bearing block and a bearing within a circular inflow/outflow hole for installing a diversion disc having a plurality of radial separation pieces. A plurality of conic and ring-s... | 01/03/2012 |
| 8070420 | Airflow-cooling apparatus for a ceiling air-conditioning circulation machine An airflow-cooling apparatus of a ceiling air-conditioning circulation machine, and more particularly a structure permitting a smooth flow of the indoor air, wherein the drawn current of air passes through a cooling apparatus and then is guided indoors for reducing ... | 12/06/2011 |
| 7699580 | Portable air moving device A stable portable air moving device capable of generating an air stream elevated above a support surface allowing the air stream to be directed as desired by the user is provided. The device includes an air blower assembly located within an elongate housing generati... | 04/20/2010 |
| 7357617 | Fan including a plurality of spaced fan bodies A fan including a plurality of spaced fan bodies that rotate in a substantially cylindrical cavity having inlet and outlet openings for tangential intake and discharge of the fluid, the fan bodies comprising substantially disc-shaped bodies that extend in a substant... | 04/15/2008 |
| 7334937 | Impeller vane assembly for liquid/solid blenders An impeller vane assembly for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively... | 02/26/2008 |
| 7249931 | High efficiency air conditioner condenser fan with performance enhancements Twisted blades for outdoor air conditioner condensers and heat pumps that improve airflow efficiency to minimize operating power requirements. The blades can run at approximately 850 rpm to produce approximately 1930 cfm of air flow using approximately 110 Watts of ... | 07/31/2007 |
| 7241117 | Motor shaft assembly and method A method for assembling a motor shaft with a bearing, a motor housing, and an impeller is disclosed. A motor shaft extension is used to retain the impeller axially on the motor shaft and allows the motor shaft to drive an additional component, such as an impeller, l... | 07/10/2007 |
| 7217087 | Centrifugal fan A centrifugal fan comprises an impeller, a motor which is connected and rotates the impeller and a housing which has an intake and an air blowing port for housing the impeller. The impeller has a plurality of blades arranged on a circumference. The intake opens oppo... | 05/15/2007 |
| 7125219 | High-pressure fan The invention relates to a high-pressure fan which comprises an electric motor provided with a shaft that goes through it; blade wheels which are mainly made of a carbon fibre-based composite material, arranged on both sides of the electric motor and mounted directl... | 10/24/2006 |
| 7055213 | Power blower having a debris-catching cover A power blower includes a frame, and a blower mounted on the frame. An air intake port of the blower faces the frame. There is provided an air intake space between the blower and the frame. A debris-catching cover is constructed between the frame side and the blower... | 06/06/2006 |
| 7044720 | Fan motor A fan motor with an increased amount of air drawn in toward fan blades so as to obtain a desirable airflow characteristic. A fan motor includes a rotor and a plurality of fan blades provided radially therefrom. Each fan blade is provided with an air intake part on a... | 05/16/2006 |
| 7021891 | Micro-impeller miniature centrifugal compressor A back-to-back double-flow bi-directional thrust-balanced micro-impeller for use in optimized compression cycles of small volumetric flow rates is provided. The back-to-back micro-impeller is a component of a compressor capable of generating a pressure head suitable... | 04/04/2006 |
| 7018171 | Blower with double inlet wheel A blower having an enclosure having side walls defining an internal chamber, an open end comprising a first inlet, a second inlet and an outlet. A flow separator plate extends across the internal chamber between the side walls defining a first scroll duct and a seco... | 03/28/2006 |
| 7014423 | High efficiency air conditioner condenser fan Novel twisted blades with an air foil for use with air conditioner condensers and heat pumps that provide improved airflow efficiency to minimize operating power requirements having an overall diameter across the blades being approximately 19 inches, and approximate... | 03/21/2006 |
| 6974246 | Apparatus for blending liquids and solids including improved impeller assembly A method and apparatus for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively wi... | 12/13/2005 |
| 6964556 | Side-blown fan A side-blown fan is formed by a case and a blade member. The case includes a side-outlet, an axial inlet and a protrusion. The protrusion extends from an edge of the axial inlet toward the center of the axial inlet. The blade member is embedded in the inside of the ... | 11/15/2005 |
| 6948314 | High response, compact turbocharger Turbochargers of this invention comprise a turbine housing and a turbine wheel rotatably disposed therein. A center housing is connected to the turbine housing, and a compressor housing is attached to the center housing. A compressor is rotatably disposed within the... | 09/27/2005 |
| 6921245 | Coaxial seal for a pump A sealing mechanism for a fluid pump comprises first and second seal members which are coaxially and radially oriented relative to each other, and are positioned between the rotating and non-rotating elements of the fluid pump to maintain a competent seal which is s... | 07/26/2005 |
| 6910483 | Double-ended blower and volutes therefor A double-ended variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the double-ended blower can ... | 06/28/2005 |
| 6824350 | Hydrodynamic sealing system for centrifugal systems A hydrodynamic sealing system for centrifugal systems comprising a double, asymmetric impeller attached to a rotary shaft, a fixed housing that surrounds the double impeller, a fluid inlet (5) in an axial direction and a fluid outlet in a radial direction wit... | 11/30/2004 |
| 6789999 | Center console dual centrifugal fan blower An assist airblower unit for a heating and ventilating system of a motor vehicle. The airblower includes a single motor and two centrifugal fan wheels encased within a shell. The motor drives both centrifugal fan wheels via a shaft. The centrifugal fan wheels have a... | 09/14/2004 |
| 6736610 | Blower fan, in particular for blowing apparatuses, and blowing apparatus provided thereof A blower fan comprises a support element (13) presenting a first face (13a) and a second face (13b) mutually opposite to said first face (13a), the first and the second faces (13a, 13b) bei... | 05/18/2004 |
| 6733230 | Low noise impeller pumps An impeller pump has a pump casing (6) that defines a pump chamber. The pump chamber includes a first chamber (21) and a second chamber (22). An impeller (10) is rotatably disposed within the pump chamber. The impeller has a first groove ... | 05/11/2004 |
| 6709229 | Bi-directional incoming air flow fan A bi-directional incoming air flow fan comprises a case in which is mounted a rotor that includes a plurality of rotary blades. The case has top and bottom faces that are respectively provided with a first and second air inlet having approximately a same surface are... | 03/23/2004 |
| 6540476 | Centrifugal fan The centrifugal fan of the present invention comprises a frame, a rotatory means and an impeller. Among these, the frame has a first intake, a second intake, at least one air outlet and a plurality of ribs crossing the second intake. The rotatory means mo... | 04/01/2003 |
| 6532151 | Method and apparatus for clearing obstructions from computer system cooling fans An obstruction is removed from a computer system cooling fan by manipulating fan rotation. When a fan obstruction is detected, the fan is stopped. If the obstruction is caused by an object that was drawn toward the fan intake, such as a sheet of paper, th... | 03/11/2003 |
| 6514036 | Radial flow fan with impeller having blade configuration for noise reduction A debris blower with a radial flow fan having an impeller that includes a set of impeller blades that are spaced about a rotary axis of the impeller in a predetermined manner such that at least two spacing angles are used to space the impeller blades circ... | 02/04/2003 |
| 6447244 | Centrifugal pump apparatus and method for using a single impeller with multiple passes A method of increasing the pressure of a fluid in an aircraft centrifugal pump by forcing the fluid to make multiple passes through one impeller of the aircraft centrifugal pump is provided. It includes providing fluid through a pump inlet to an aircraft ... | 09/10/2002 |
| 6413056 | Air compressor having means to selectively control air flow therein An air compressor includes a housing having a port formed in a motor casing and another port formed in a fan casing. The fan casing has a mouth for air to flow into the housing. The mouth may be selectively blocked for facilitating the drawing of the air ... | 07/02/2002 |
| 6378309 | Single air inlet A single air inlet for a pair of turbochargers has a duct portion with a circular inlet, a converging bifurcated portion having a pair of circular outlets, which are in fluid communication with inlet portions of compressor portions of the turbochargers an... | 04/30/2002 |
| 6309179 | Hydro turbine A hydro turbine has a housing with a cylindrical chamber and opposed end walls with laterally spaced smaller rectangular inlets and laterally spaced larger rectangular outlets formed in upper and lower portions of the chamber side wall in horizontally opp... | 10/30/2001 |
| 6302066 | Apparatus and method of cooling a work machine An apparatus and method of cooling a work machine is disclosed. A work machine includes a frame, a plurality of ground engaging devices, an operator compartment, a work implement, an engine, and a cooling system. The cooling system includes a radiator, a ... | 10/16/2001 |
| 6109865 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of the prime mover an... | 08/29/2000 |
| 6077033 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of the prime mover an... | 06/20/2000 |
| 6048168 | Lubricated ceramic/hybrid anti-friction bearing centrifugal pump A pump assembly for conventionally driven centrifugal pumps having a rolling element comprised of product lubricated ceramic or hybrid anti-friction bearings. The ceramic bearings are comprised of ceramic balls and ceramic races, whereas the hybrid bearin... | 04/11/2000 |
| 6030173 | Suction unit for hoods, ovens and similar appliances having a casing with two or more adjacent and spaced augers This invention concerns a suction unit for hoods, ovens and similar appliances consisting of a double auger casing in which the two augers are adjacent but spaced so that two separate suction inlets may be realized on the same, one on the external side an... | 02/29/2000 |
| 6004093 | Portable air-blowing working machine A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of a prime mover and ... | 12/21/1999 |
| 6004094 | Radially sealed centrifugal pump A radially sealed centrifugal pump comprises a casing (2) to which a shaft (4) is rotatably connected, and an impeller (5), connected to said shaft (4), free to rotate within said casing (2), and said pump has, between said casing (2) and said impeller (5... | 12/21/1999 |
| 5725357 | Magnetically suspended type pump In a magnetically suspended type pump, an operating state of the pump can be obtained without using a pressure gauge and a flowmeter. In addition, in the case where the magnetically suspended type pump is applied to a blood pump, in order to reduce the nu... | 03/10/1998 |
| 5704761 | Full-circumferential flow pump A full circumferential flow double suction pump has a pair of pump assemblies mounted on respective opposite ends of the rotor shaft of the motor mounted within an outer frame casing. The motor is positioned within an outer cylinder such that an annular s... | 01/06/1998 |
