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| Number | Title | Issue Date |
| 8177486 | Fan frame A fan frame has at least one protrudent connector and at least one recessed connector. The at least one protrudent connector is formed on a corner of a surface of the fan frame. The at least one recessed connector is formed on another corner of the same surface of t... | 05/15/2012 |
| 8137054 | Supersonic compressor A novel supersonic compressor is provided by the present invention. In one embodiment, the novel supersonic compressor comprises a fluid inlet, a fluid outlet, and at least two counter rotary supersonic compressor rotors, said supersonic compressor rotors being conf... | 03/20/2012 |
| 8079801 | Fan unit A serial axial fan unit includes first and second motors with their base portions, i.e., first and second base portions axially facing each other. A motor gap is arranged axially between the first and second base portions. An axial length of the motor gap is prefera... | 12/20/2011 |
| 7946805 | Fan unit including tapered airflow passage An axial fan unit includes two or more impellers which rotate about a center axis in opposite directions relative to each other to create an axial airflow. Each impeller includes a hub and a plurality of blades disposed around the hub. The impellers are surrounded b... | 05/24/2011 |
| 7942627 | Axial fan unit A serial axial fan unit includes a first axial fan arranged to rotate about a central axis, a flow control device connected to the first axial fan along the central axis, and a second axial fan connected to the flow control device along the central axis. The flow co... | 05/17/2011 |
| 7357622 | Method and installation for extracting energy from a flowing fluid Turbine farm comprising at least a first turbine and at least a second turbine for energy extraction from a flowing fluid, wherein when the second turbine is on the lee side of the first turbine, under nominal power, the axial induction of the first turbine is lower... | 04/15/2008 |
| 7292436 | Heat dissipating structure applicable to a computer host A heat dissipating structure for a computer host is disclosed. The heat dissipating structure is fixable to a housing of the computer host and is provided for a heat dissipating fan for dissipating heat. The heat dissipating structure includes a fan fixing housing i... | 11/06/2007 |
| 7241106 | Combined cycle boundary layer turbine A two staged fluid propulsion apparatus of the type which utilizes prior art pitched blades combined with solid boundary layer disks supported by a novel rotating tubular flow conduit perforated to allow fluid flow to from the interior of the tube to the exterior su... | 07/10/2007 |
| 7195447 | Gas turbine engine and method of assembling same A method for assembling a gas turbine engine that includes providing a low-pressure turbine inner rotor that includes a first plurality of turbine blade rows configured to rotate in a first direction, providing a low-pressure turbine outer rotor that includes a seco... | 03/27/2007 |
| 7168912 | Series type fan device A series type fan device comprises at least a first fan and at least a second fan coupled to each other. The first fan has a joining side with a receiving part at a fan frame thereof and the second fan has a joining side with a projective fixing part corresponding t... | 01/30/2007 |
| 7088062 | Electronic variable speed control of dual motor configuration A dual motor configuration 10 includes a primary brushless motor 18 electronically controlled to be driven at various speeds throughout a range of motor speeds. A secondary brush motor 24 electronically controlled be driven at various speeds thr... | 08/08/2006 |
| 7074011 | Wind power installation with two rotors in tandem A wind power installation comprising at least two rotors which are arranged one behind the other and of which the first rotor which is arranged in front of the second rotor is of a smaller diameter than the second rotor. ... | 07/11/2006 |
| 7054156 | Fan rotor systems having collapsible fan blades A fan rotor system for cooling an electronic system includes a rotor body configured to be rotated by a fan motor and at least one collapsible fan blade mounted on the rotor body for moving cooling air through the electronic system. The at least one collapsible fan ... | 05/30/2006 |
| 7021888 | Ultra-high speed vacuum pump system with first stage turbofan and second stage turbomolecular pump An ultra-high speed vacuum pump evacuation system includes a first stage ultra-high speed turbofan and a second stage conventional turbomolecular pump. The turbofan is either connected in series to a chamber to be evacuated, or is optionally disposed entirely within... | 04/04/2006 |
| 7018170 | Ribbon drive pumping apparatus and method with added fluid A ribbon drive pumping apparatus and method for substantially incompressible fluids, such as liquids, is disclosed. The pump has an extended tube having an intake at a first end and an outlet at a second end. A ribbon formed of helical coils is mounted in the tube f... | 03/28/2006 |
| 6998013 | CMP apparatus polishing head with concentric pressure zones A CMP polishing head having multiple concentric pressure zones for selectively increasing polishing pressure against selected regions of a semiconductor wafer in order to compensate for variations in polishing rates on the wafer surface otherwise caused by ridges or... | 02/14/2006 |
| 6972956 | Collapsible fan and system and method incorporating same A collapsible fan. The collapsible fan may be disposed in parallel or series with one or more other fans. If the collapsible fan becomes inactive or non-operable, such as by malfunction or failure, then its fan blades collapse to a less restrictive flow configuratio... | 12/06/2005 |
| 6966757 | Scraper blade attachment apparatus and method with split pin An attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for int... | 11/22/2005 |
| 6932561 | Power generation system A wind power system is provided including at least one generator fan having a front face and a rear face. The system also includes a first wind capturing device positioned proximate to the front face. The wind capturing device can be configured to capture wind to cr... | 08/23/2005 |
| 6913437 | Hydrodynamic component A hydrodynamic component with at least two rotating impellers which form a working chamber for a working circuit. A closed circuit coupled to the inlet to the working chamber and to the outlet from the working chamber. The closed circuit is pressure tight. Pressure ... | 07/05/2005 |
| 6860713 | Fan with collapsible blades, redundant fan system, and related method A redundant fan system for a computer includes two fans installed in series with at least one of the fans having collapsible blades. A fan system of this type reduces the fan inefficiency caused when one fan in a series mounted pair is not operating, either because ... | 03/01/2005 |
| 6752587 | Modular fan assembly The present invention is to provide a modular fan assembly mounted in an electronic device comprising a frame having a defined opening for air circulation; at least two spaced apart fans disposed within the frame, each fan having a stator and a plurality of blades a... | 06/22/2004 |
| 6739831 | Cooling device for projector A cooling device for projector, comprising a light source, an exhaust fan, an air directing fan, an air duct, air inlet windows, an optical engine, a circuit board, a light cut, and a power supply to constitute a projector device with high brightness and high contra... | 05/25/2004 |
| 6692224 | Turbo compressor A turbo compressor, comprising two (2) pieces of rotation shafts, being disposed in parallel with each other, wherein impellers are attached on both ends of one of the rotation shafts, thereby to build up a first-stage compressor and a second-stage compre... | 02/17/2004 |
| 6592335 | Ribbon drive pumping apparatus and method The ribbon drive pump has an extended tube having an intake at a first end and an outlet at a second end. A ribbon formed of helical coils is mounted in the tube for rotation and the frequency of the coils decreases from the first end to the second end of... | 07/15/2003 |
| 6537019 | Fan assembly and method A fan assembly includes a first fan and a second fan. The first fan has a first housing and a first blade assembly. The first blade assembly includes a plurality of blades attached to a hub, and is configured to rotate about a first axis of rotation in a ... | 03/25/2003 |
| 6527520 | Ribbon drive pumping with centrifugal contaminant removal A ribbon drive pumping apparatus and method for liquids is disclosed wherein the inherent centrifugal separation that occurs adjacent the pump inlet is used to remove contaminants. The pump has an extended tube having an intake at a first end and an outle... | 03/04/2003 |
| 6357998 | Ribbon drive pumping apparatus and method A ribbon drive pumping apparatus and method for liquids is disclosed. The pump has an extended tube having an intake at a first end and an outlet at a second end. A ribbon formed of helical coils is mounted in the tube for rotation and the frequency of th... | 03/19/2002 |
| 6343014 | CPU cooling arrangement A CPU cooling arrangement includes a heat sink adapted to receive heat from the CPU of a computer, and a plurality of fans arranged in a stack on the heat sink and adapted to draw outside cold air toward the heat sink for quick dissipation of heat from th... | 01/29/2002 |
| 6210105 | Flow directing device for a medium consistency pump A flow directing device, system and method for delivery and pumping medium to high consistency stock slurries eliminates bridging of stock, creates a non-vortexing improved flow into the pump suction of a pump, is independent from pump operation, minimize... | 04/03/2001 |
| 5639208 | Rotary turbine and rotary compressor A rotary turbine employs rotors that are rotated primarily by the frictional forces of a pressurized medium flowing through a gap that separates the rotors from the stationary housing. The rotors are coupled to a source of pressurized medium that creates ... | 06/17/1997 |
| 5611663 | Geared multishaft turbocompressor and geared multishaft radial expander A geared multishaft turbocompressor with impellers arranged in series in terms of flow, which are fastened to two or more pinion shafts, which are arranged in parallel to one another and are driven directly via a central gear or indirectly via pinion shaf... | 03/18/1997 |
| 5546272 | Serial fan cooling subsystem for computer systems A cooling subsystem and method for a chassis of a computer system. The cooling subsystem comprises: (1) first and second cooling fans having first and second motors associated therewith for driving the first and second cooling fans, respectively and (2) a... | 08/13/1996 |
| 5518363 | Rotary turbine A rotary turbine including a source of a pressurized medium and a rotor assembly. In one embodiment, the rotor assembly includes first and second rotors, and the surface of each rotor is substantially smooth. The pressurized medium flows between the rotor... | 05/21/1996 |
| 5490760 | Multishaft geared multishaft turbocompressor with return channel stages and radial expaner A geared multishaft turbocompressor with impellers arranged in series in terms of flow, are attached to two or more pinion shafts (6), which are arranged in parallel to one another and are driven directly via a central gear (5) or indirectly via pinion sh... | 02/13/1996 |
| 5485719 | Integration of combustor-turbine units and integral-gear pressure processors A method and system for supplying compressed air to a process plant using a combustor-turbine unit directly coupled to a bull gear meshing with pinions on which are mounted gas compression stages and expansion stages. Some stages compress a stream of air ... | 01/23/1996 |
| 5402631 | Integration of combustor-turbine units and integral-gear pressure processors A method and system for supplying compressed air to a process plant using a combustor-turbine unit directly coupled to a bull gear meshing with pinions on which are mounted gas compression stages and expansion stages. Some stages compress a stream of air ... | 04/04/1995 |
| 5289042 | Wind operated generator The wind operated generator has a housing having a shaft opening for receiving an outer turbine tube shaft extending longitudinally through the shaft opening. An inner turbine has an inner tube shaft extending longitudinally through the outer tube shaft. ... | 02/22/1994 |
| 5232333 | Single flow turbopump with integrated boosting Inside a single casing the turbopump comprises a main shaft driven by a turbine, a secondary shaft coaxial with the main shaft, a low pressure impeller mounted on the secondary shaft to create a medium pressure flow which is brought back to flow parallel ... | 08/03/1993 |
| 5224817 | Shunt flow turbopump with integrated boosting Inside a single casing the turbopump comprises a main shaft driven by a turbine, a secondary shaft coaxial with the main shaft, a low pressure impeller mounted on the secondary shaft to create a medium pressure flow which is brought back to flow parallel ... | 07/06/1993 |
