"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8075258 | Heat-dissipating fan housing A heat-dissipating fan housing includes a casing having a compartment with an impeller section, a stationary blade section, and an airflow concentration section arranged from an air inlet toward an air outlet spaced from the air inlet in an axial direction. A mounti... | 12/13/2011 |
| 7845903 | Fan holder for receiving multiple fans A fan holder is used for dissipating heat from electronic devices. The fan holder includes a fan bracket and an expansion bracket. The fan bracket has a first plate and a second plate. A plurality of partitions is configured between the first plate and the second pl... | 12/07/2010 |
| 7364401 | Method for manufacturing variable-throat exhaust turbocharger and constituent members of variable throat-area mechanism The present invention provides a variable-throat exhaust turbocharger equipped with a variable-throat mechanism of which connection of constituent members can be achieved with a small number of man-hour and at low cost and which is stable in quality with firm connec... | 04/29/2008 |
| 7347660 | Cross-flow wind turbine Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its surface and creates a low pressure area on the leading face of the ro... | 03/25/2008 |
| 7314113 | Acoustic absorbers for use with computer cabinet fans and other cooling systems Systems and methods for absorbing acoustic noise generated by computer cabinet cooling fans are described herein. In one embodiment, an acoustic absorber for use with a fan carried by a computer cabinet in a room includes a first acoustic panel spaced apart from a s... | 01/01/2008 |
| 7304844 | Cooling fan assembly A cooling fan assembly includes a cooling fan (1) having a rotary hub (14) and a plurality of fan blades extending radially from an outer periphery of the hub, a hood (20) connected with the cooling fan, and a guiding member (40) located ... | 12/04/2007 |
| 7255532 | Bi-directional blowers for cooling computers A heat dissipating device includes a motor, a rotary unit, and a housing for receiving the motor and the rotary unit. The rotary unit includes a hub mounted to the motor and blades extending from the hub. The housing defines a hot air inlet, a hot air outlet, a cold... | 08/14/2007 |
| 7223068 | Housing for axial flow heat-dissipating fan A housing for an axial flow heat-dissipating fan includes an annular wall including an air inlet in a first end thereof and an air outlet in a second end thereof. A motor of an axial flow heat-dissipating fan is received in the annular wall. A plurality of axially e... | 05/29/2007 |
| 7223312 | Methods and materials for reducing damage from environmental electromagnetic effects Disclosed is a method of reducing damage resulting from environmental electromagnetic effects on a non-metallic surface. The method includes disposing a polymeric sheet material over the non-metallic surface and disposing a metal layer between the non-metallic surfa... | 05/29/2007 |
| 7189059 | Compressor including an enhanced vaned shroud A compressor includes an enhanced vaned shroud and is configured such that the flow area ratio is equivalent to that of a conventional, non-vaned shroud. The vaned shroud includes a plurality of airfoils that vary in thickness to obtain desired vibrational mode shap... | 03/13/2007 |
| 7189050 | Cross-flow wind turbine Disclosed are various embodiments of cross-wind turbines that are capable of providing high efficiencies over a wide range of wind velocities. An airfoil stator causes wind to accelerate along its surface and creates a low pressure area on the leading face of the ro... | 03/13/2007 |
| 7186077 | Compressor, particularly in an exhaust gas turbocharger for an internal combustion engine In a compressor particularly of an exhaust gas turbocharger of an internal combustion engine having a compressor wheel rotatably supported in a compressor housing which includes a diffuser structure with an adjustable diffuser geometry comprising guide vanes pivotal... | 03/06/2007 |
| 7162763 | Turbine drive apparatus and method suited for suction powered swimming pool cleaner A method and apparatus for enabling a pool cleaner (60) to travel through a water pool to collect dirt and other debris from the water and/or pool containment wall (88). The cleaner (60) defines a suction passageway having an inlet (74) o... | 01/16/2007 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7097414 | Inducer tip vortex suppressor Embodiments of the invention provide a method, device, and turbopump configured to suppress higher order cavitations at an inducer tip in a turbopump. An inducer having a tip is rotated, and a first flow is induced axially through the inducer at a first velocity. A ... | 08/29/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 6966747 | Wind turbine having airfoils for blocking and directing wind and rotors with or without a central gap A wind turbine device of increased efficiency is comprised of a set of fixed airfoils that direct wind into a rotor having a plurality of blades. The fixed airfoils may extend to the ground to increase the amount of wind directed into the rotor and may be manufactur... | 11/22/2005 |
| 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 |
| 6932565 | Turbine A turbine comprises a turbine wheel having radial blades and supported in a housing for rotation about an axis. An annular inlet passageway extends radially inwards towards the turbine wheel, the inlet passageway being defined between first and second facing annular... | 08/23/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6877968 | Low head water turbine A low head water turbine comprising a runner having a cylindrical outer surface and a plurality of similar blades similarly pivotably secured along their inner sides to the outer surface of the runner so as to pivot in the direction of rotation of the runner between... | 04/12/2005 |
| 6877955 | Mixed flow turbine and mixed flow turbine rotor blade A mixed flow turbine includes a hub attached to a rotation axis and a plurality of rotor blades. Each of the plurality of rotor blades is attached to the hub in a radial direction, and the hub is rotated based on fluid supplied to a rotation region of the plurality ... | 04/12/2005 |
| 6659713 | Fluid pumps Impeller 21 is rotatably disposed within a pump housing that includes pump cover 5 and pump body 18. Inlet port 19, body groove 31, partition 33 and blocking wall 37 are formed in the pump body 18. The body groove 31 defines a first pump channel 35, and t... | 12/09/2003 |
| 6425739 | In-line centrifugal fan An in-line centrifugal fan including a housing having an inlet and an outlet spaced apart and substantially coaxial one to another and a motorized centrifugal-type impeller mounted centrally within the housing substantially coaxially between the inlet and... | 07/30/2002 |
| 6123505 | Stator produced by injection molding A stator for a hydrodynamic torque converter which is produced by injection molding with axially drawn dies. The stator hub has stator blades produced by use of a thermoplastic material to fill the dies in the injection molding process. The stator blades ... | 09/26/2000 |
| 5997246 | Housing for a centrifugal blower There is disclosed a housing for a centrifugal fan or blower or the like. The housing includes a wedge member for reducing the tonal noise generated during operation of the fan or blower. The wedge member is disposed on an interior surface of the housing ... | 12/07/1999 |
| 5927943 | Inlet casing for a turbine A turbine with the improved inlet casing in accordance with the present invention includes a shaft which extends along and rotates about a central axis. The turbine also includes at least one rotor wheel which is mounted on and extends radially outward fr... | 07/27/1999 |
| 5460003 | Expansion turbine for cryogenic rectification system A turboexpander, particularly suited for use in a cryogenic rectification system, comprises a center housing rotatably supporting an elongated shaft to opposite ends of which are mounted a turbine wheel within a turbine housing and a compressor wheel with... | 10/24/1995 |
| 5443362 | Air turbine An air turbine is provided having an entrance stator blade arrangement formed in two halfs, each containing a blade array, with the two halfs interleaved, upon turbine assembly, to thereby easily form an entrance stator with a multiplicity of entrance sta... | 08/22/1995 |
| 5358377 | System and method for support and rotation of volume There is disclosed a system and method for rotationally controlling a circular structure, such as a dome, from the outer circumference of the dome. The system uses an air driven motor having a circular fixed section and a movable section. The movable sect... | 10/25/1994 |
| 5299909 | Radial turbine nozzle vane A radial inflow turbine having a radial nozzle assembly comprising a plurality of vanes, wherein downstream of the throat, the vane suction surfaces, relative to a radius of the circle on which the vane trailing edges lie, have a specified range of angles... | 04/05/1994 |
| 5102296 | Turbine nozzle, and a method of varying the power of same The nozzle has a full complement of blades, for use, for example, in a compressed-air turbine. However, a pair of peripheral walls, at opposite sides of the nozzle platform, block nozzle blade groups. The walls prevent fluid flow through those blade group... | 04/07/1992 |
| 4934900 | Assembly forming a cylindrical cage of spaced apart vanes An assembly for a cylindrical cage which includes vanes made up of blades and end lugs. The end lugs and vanes are attached to a frame by a ring element with a fastener securing the ring element, end lug and blade to the frame. The end lugs are dimensione... | 06/19/1990 |
| 4815931 | Overhung radial-flow steam turbine wheel with toothed and bolted shaft connection The present invention includes an overhung turbine wheel which is provided with at least one ring of turbine blades and is connected with a shaft. In order to control the thermodynamically required circumferential speeds necessary to achieve maximum effic... | 03/28/1989 |
| 4566166 | Method for manufacturing a stay ring bearing stationary guide vanes for a nongated turbine A method for manufacturing stay rings for a family of hydraulic turbine installations is disclosed. The stay ring comprises a plurality of stay vanes axially extending between two concentric ring members. Stay vanes are formed from flat plates and aligned... | 01/28/1986 |
| 4563127 | Hydraulic turbine A hydraulic turbine is of the kind having a distributor including a passage, without blades therein, which communicates with the movable blades of a rotor, having four blades, by means of injectors constituted by gaps formed between adjacent portions of a... | 01/07/1986 |
| 4269563 | Wind turbine The invention is directed to a wind turbine normally located in a vertical position in operation to provide a propulsion energy force. In general, the wind turbine consists of a central rotor unit having a plurality of spaced, longitudinally extending sco... | 05/26/1981 |
| 4142822 | Panemone windmill A windmill with a vertical-axis rotor having thrust vanes which is surrounded by a stationary cage having guide vanes to channel the windstream to the rotor. In the preferred embodiment the rotor is a flow-through type with airfoil vanes.... | 03/06/1979 |
| 4115027 | Vertical windmill An omnidirectional windmill employing lift type airfoils mounted about a vertical axis. The windmill includes a support frame which defines the vertically oriented axis about which the elongate airfoils rotate. Five vertically oriented stators are positio... | 09/19/1978 |
| 4054398 | Centrifugal compressor or centripetal turbine A diffuser for a centrifugal compressor or a nozzle assembly for a centripetal turbine comprising a pair of axially-spaced walls defining an annular housing open at its inner and outer peripheries and a plurality of vanes extending between the walls and d... | 10/18/1977 |