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| Number | Title | Issue Date |
| 7568885 | 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... | 08/04/2009 |
| 7481619 | Extended venturi fan ring A high efficiency, low-noise fan ring for use with a heat exchanger having an annular fan ring body attached to a coaxial mounting ring. The fan ring body extends in a substantially perpendicular direction from an inner periphery of the mounting ring. The annular bo... | 01/27/2009 |
| 7473075 | Liquid pump A liquid pump (100) includes a top cover (40), a back plate (50), and a spacing member (60). The spacing member is sandwiched between the top cover and the back plate, thereby dividing an interior of the liquid pump into a fluid chamber (... | 01/06/2009 |
| 7374399 | Inline fan housing assemblies The present invention relates to an inline fan housing assembly adaptable for connection with conduits of various diameters. The inline fan housing assembly comprises a connector collar for connection to the inlet or exhaust ports of the fan housings to adapt the fa... | 05/20/2008 |
| 7372172 | Device and method for the generation of electrical energy Arrangement for generating electrical power from a flowing medium, wherein the arrangement includes a plurality of turbine generator units. At least some of the plurality of generator units are arranged at least one of one above another and one beside another. At le... | 05/13/2008 |
| 7352078 | Offshore power generator with current, wave or alternative generators An offshore power generator includes an offshore platform. Current, wind, wave and other renewable energy generators are mounted to the offshore platform. Each current generator has a shroud enclosing a set of blades. A hub member is located within the shroud and ex... | 04/01/2008 |
| 7331759 | Drying fan A drying fan, including for water damage restoration, including for drying a room corner extending axially along an interface between a wall and a floor, has a shrouded housing having an axial flow path therethrough, an intake cowling receiving intake air, and an ex... | 02/19/2008 |
| 7331756 | Axial-flow fan unit and heat-emitting element cooling apparatus An axial-flow fan unit that produces less noise is provided. Blades 19 are exposed from a venturi 29. The shape of each of the blades 19 is so defined that a space formed between at least an inner surface 28a of each of web leg sec... | 02/19/2008 |
| 7331758 | Blower A blower includes: an impeller on which there are arranged axial flow blades 40 mounted at circumferential intervals to an outer peripheral surface of a boss; a case surrounding the impeller; and a bell mouth cylindrically constricted to guide gas into the ca... | 02/19/2008 |
| 7284948 | Turbine with tube arrangement and method of preventing detachment of a fluid flow Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at least partially prevents a fluid flow through the tubular arrangemen... | 10/23/2007 |
| 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 |
| 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 |
| 7201562 | Fan with central intake A fan with central intake comprises a fan frame, a fan wheel and a fan motor. The fan frame provides a hub seat with an annular spacing for fluid flowing through and a joining part at the center of the hub seat for supporting the bearings. The fan wheel is received ... | 04/10/2007 |
| 7150599 | Frame structure for fan unit A fan frame (10) for encircling an impeller (20) of a fan unit is disclosed. The fan frame includes a base (11) and a plurality of sidewalls (12) extending from the base. The base defines a hole (13) in a center so that an airflow ... | 12/19/2006 |
| 7150600 | Downhole turbomachines for handling two-phase flow Disclosed is a submersible pump assembly for handling two-phase flow. The pump assembly preferably includes a housing and a first stage. The first stage includes an impeller assembly and a diffuser assembly, which are collectively configured to produce a diagonal fl... | 12/19/2006 |
| 7134835 | Process for manufacturing a stator for vacuum pump and stator obtained thereby A process for manufacturing stators of vacuum pumps, and stators obtained thereby, wherein a plurality of stator discs or rings are formed, preferably by pressing, and then stator discs or rings are coaxially stacked and mutually rotated so as to form a stator surfa... | 11/14/2006 |
| 7118344 | Wind power plant for generating energy A wind power system (1) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft (2) and is provided with blades (3), as well as a guide device (5) which accelerates the air flow t... | 10/10/2006 |
| 7116005 | Tidal/wave flow electrical power generation system An integrated system for tidal/wave flow electrical power generation. This bi-directional system utilizes the wave flow on the shores and the flow of various rivers and estuaries to generate electrical power through a venturi box which has mounted in it and comprise... | 10/03/2006 |
| 7083387 | Axial flow fan An axial flow fan. The axial flow fan includes an impeller, an annular structure, and a plurality of connecting elements. The impeller has a plurality of blades, arranged radially. Each blade has an outer periphery. The outer periphery has a top portion. The annular... | 08/01/2006 |
| 7080970 | 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... | 07/25/2006 |
| 7029229 | Axial flow fan An axial flow fan of high efficiency and low noise level is provided. The fan includes a motor, an impeller having a plurality of blades around a hub fitted to the motor, and a fan casing having an air inlet on one side and an air outlet on the other, wherein a radi... | 04/18/2006 |
| 7031157 | Heat-dissipating module A heat-dissipating module includes a first fan unit and a second fan unit, which are serially connected together to provide an air inlet and an air outlet. Each of the first fan unit and the second fan unit includes a casing and an impeller. At least one side air in... | 04/18/2006 |
| 7018169 | Fluid flow control apparatus A device for controlling a fluid flow is disclosed. The device includes at least two fluid flow drivers, a plenum disposed to receive a fluid flow from the at least two drivers, and a baffle disposed within the plenum. The plenum has a first cross-sectional area pro... | 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 |
| 6966357 | Venturi fan The “venturi fan” comprises a series of “half-venturi” shaped profiles incorporated into the periphery of a cylindrical fan, for use with a cylindrical heat sink. In one embodiment, the half-venturis are open, in another the half-venturis are enclosed so tha... | 11/22/2005 |
| 6920797 | Selecting an airflow generator for a system A test apparatus includes a plurality of sensors placed proximate an airflow generator (e.g. a fan) to measure flow rates in respective sub-regions. The test apparatus also includes a controller (e.g., test software) to calculate an operating point of the airflow ge... | 07/26/2005 |
| 6910862 | Airflow guiding structure for a heat-dissipating fan A heat-dissipating fan includes a casing having an air outlet, a base mounted in the air outlet, an impeller being mounted on the base and having a plurality of blades, a plurality of ribs each extending between the base and the casing along a radial direction of th... | 06/28/2005 |
| 6902377 | High performance axial fan A fan impeller is part of a fan assembly designed to maximize both intake and expelled air during use. The fan impeller employs a distinct airfoil shape for the fan blades to substantially move the ambient air. A low constant blade angle and overlapping blades are e... | 06/07/2005 |
| 6877953 | Gas turbine A gas turbine with a compressor area has a rotor shaft 2 to carry rotor blades 1 and a casing 4 to carry stator vanes 3, with the related rotor blades 1 and stator vanes 3 forming an axial clearance space 5 between on... | 04/12/2005 |
| 6866479 | Exhaust diffuser for axial-flow turbine An axial-flow turbine has an exhaust diffuser including a hub-side tube and a tip-side tube. In the exhaust diffuser, front struts and rear struts are placed to cross a flow of working fluid. A wake generated behind the front strut diverts from the rear strut and pa... | 03/15/2005 |
| 6827547 | Engine cooling fan having improved airflow characteristics A stator and diffuser assembly is introduced between an engine cooling fan and engine. The stator acts increase the static efficiency per unit airflow of the axial fan by reducing the rotational component of air traveling through the fan and by directing the airflow... | 12/07/2004 |
| 6814542 | Blower especially for ventilating electronic devices The invention relates to a blower, especially for a personal computer. The air of the invention is to reduce the noise produces by such a blower. To this end, the inventive blower comprises: a) a blower housing (10) including a guide surface (22) that ... | 11/09/2004 |
| 6802691 | Maintainable compressor stability bleed system The present invention relates to an axial flow rotary machine and to a maintainable compressor bleed system therefore. The axial flow rotary machine comprises a primary flow path for a working medium, a secondary flow path for the working medium, a bleed system for ... | 10/12/2004 |
| 6776578 | Winglet-enhanced fan Small winglets placed at the outer end of each fan blade substantially reduce the vortices created in conventional fans by the pressure differential between the low pressure and high pressure sides of the blade. The winglet acts as a barrier, which substantially blo... | 08/17/2004 |
| 6736594 | Axial-flow type hydraulic machine In an axial flow hydraulic machine, a plural number of grooves 5 are formed on an inner surface of a casing, directed into a pressure gradient direction, for connecting between an inlet side of an impeller 1 and an inside of blade residing region on th... | 05/18/2004 |
| 6705829 | Cover for LP first stage diaphragm and method for improving inflow to first stage diaphragm A cover is provided to conceal the forward-facing step defined by the protrusion of the first stage diaphragm into the LP inlet. The cover presents a smoothly contoured surface to the flowing fluid in both radial and circumferential directions and thus reduces energ... | 03/16/2004 |
| 6692225 | Liquid pressing device A liquid pressing device includes mainly a power device consisting of a motor with a spindle, an upper cap on the motor and a lower cap under the motor, a shell for containing the power device, a helical device fitted around the spindle of the motor and h... | 02/17/2004 |
| 6565315 | Rotation device A rotation device including first and second passages and a rotor shaft with a rotor which connects onto the first passage with a third passage which branches into rotor channels from the third to a fourth passage. The end zones of the third and fourth pa... | 05/20/2003 |
| 6558116 | Gas-cooled machine, in particular a turbo-generator A turbo-generator comprising a shaft, on which is positioned an axial ventilator, a cover that divides an inflow chamber for a cooling gas transported by the axial ventilator from an outflow chamber for this cooling gas, and a cylindrical channel segment ... | 05/06/2003 |
| 6540482 | Turbo-type machines A turbo-type machine, comprising a casing 2 storing an impeller within an inside thereof, and a plural number of grooves formed on an inner surface of the casing in a direction of pressure gradient of fluid, wherein the grooves 124 are provided from 80 to... | 04/01/2003 |
