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| Number | Title | Issue Date |
| 8162604 | Diffusor The guide device for the diffusor at the compressor impeller outlet of a radial compressor has guide blades with stepped inlet edges. The step is implemented by setting back the hub-side inlet edge. This meridional stepping divides the guide blades into two componen... | 04/24/2012 |
| 8142148 | Diffuser-nozzle assembly for a turbomachine A diffuser-nozzle assembly mounted at the outlet from a centrifugal compressor is disclosed. The assembly includes a plurality of vanes carried by a radially inner wall forming a surface of revolution and surrounded by an outer casing, elastically deformable devices... | 03/27/2012 |
| 8029238 | System for cooling a downstream cavity of a centrifugal compressor impeller System for cooling a downstream cavity of a centrifugal compressor impeller in a turbomachine, this compressor being connected to a diffuser comprising a downstream annular flange, an annular plating being mounted coaxially around the flange of the diffuser and subs... | 10/04/2011 |
| 7364406 | Segmented vertical axis air rotor and wind generator apparatus An apparatus is provided for generating electricity in response to a fluid flow. The apparatus includes a top rotor element coupled to a center axis with an arm extending substantially perpendicular to a center axis. The arm moves in response to the fluid flow to ro... | 04/29/2008 |
| 7351031 | Centrifugal blower A centrifugal blower includes a housing, an impeller, and a guiding cover. The housing includes a compartment delimited by an annular wall. A radial air inlet is defined in the annular wall and communicated with the compartment. The compartment includes an axial ope... | 04/01/2008 |
| 7334654 | Vehicle front end structure An inlet 51 is disposed at a position which is on an upper side relative to an axial flow fan 60 and is opposite to a direction of air flow produced by the rotation of the axial flow fan 60, whereas an intercooler 30 is disposed at a posi... | 02/26/2008 |
| 7334987 | Fan assembly for vacuum cleaner A fan assembly for a vacuum cleaner, comprising a motor, an impeller rotatably coupled to the motor, and having a plurality of impeller wings, and a diffuser having a plurality of diffuser wings arranged along an outer circumference of the impeller. The plurality of... | 02/26/2008 |
| 7329091 | Heat dissipation fans and housings therefor A heat dissipation fan and a housing thereof. The heat dissipation fan includes a housing and a plurality of blades. The housing includes an outer frame, a base, and a plurality of air-guiding elements. The base is disposed in the outer frame, supporting the blades ... | 02/12/2008 |
| 7319279 | Wind-driven electrical power generating apparatus A power generating apparatus comprises an electrical power generating device, a vane-carrying structure and a mounting flange. The electrical power generating device includes a body and a power input shaft extending from within the body. The body is generally cylind... | 01/15/2008 |
| 7318394 | Mount for connecting automotive fan motor to housing The motor of an automotive cooling fan system is attached to a housing by either bayonet mount, screw mount, or axial-snap features on both motor and housing, as well as a cradle structure on the housing. ... | 01/15/2008 |
| 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 |
| 7291936 | Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine... | 11/06/2007 |
| 7278504 | Integrated fan shroud air intake system An integrated fan shroud air intake system for a tractor provides an air passage through a fan shroud positioned between the radiator and internal combustion engine. The air passage has an intake and an outlet laterally displaced from the intake. An air filter is mo... | 10/09/2007 |
| 7275910 | Outlet airflow direction control unit An outlet airflow direction control unit mainly includes a frame and a fan mounted in the frame. The frame has an inlet and an outlet via which an amount of fluid flows into and out of the frame, and is internally provided at predetermined positions with a plurality... | 10/02/2007 |
| 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 |
| 7210903 | Lobed joint draft inducer blower A draft inducer blower for high efficiency furnaces, including a blower housing which facilitates maximum air flow efficiency through the blower housing while reducing air flow noises. The blower housing generally includes a housing body and housing cover which defi... | 05/01/2007 |
| 7191519 | Method for the manufacture of a vaned diffuser An improved method for manufacturing a vaned diffuser (101) of a turbocharger, preferably from aluminum or an aluminum alloy, where the vaned diffuser possesses at least one axis (115) suitable for separating the vaned diffuser from its rigid mold by t... | 03/20/2007 |
| 7191613 | Turbo fan and air conditioner having the same applied thereto Turbo fan having an axial fan flow characteristic, and an air conditioner having the turbo fan applied thereto, the turbo fan including a hub 30 having a boss 33 coupled to driving means, a plurality of blades 40 arranged along an edge of the hu... | 03/20/2007 |
| 7179054 | Flow reversal system for axial fan An axial fan has a blade support wheel coupled to a drive shaft. A disk is positioned about the drive shaft adjacent the wheel. A torsion spring is coupled to the wheel and to the disk. When the torsion spring is in tension, the disk is poised for a relative rotatio... | 02/20/2007 |
| 7179050 | Radial fan The invention relates to a radial fan with a casing and in it an axially placed wheel, wherein the casing has an axially placed air inlet, an exhaust (5), a bottom section (6) with a bottom reference surface (7) arranged orthogonally to the axis... | 02/20/2007 |
| 7059014 | Tool rail cleaning apparatus An apparatus for cleaning at least one surface of tubular tool rails includes an elongated housing having a free end, at least one brush rotatably attached to the free end of the housing, and a motor attached to the housing. The motor is operable to rotate the at le... | 06/13/2006 |
| 7021411 | Front end structure of vehicle with labyrinth structure forming means for cooling air to a radiator A clearance 44 is provided between the outer periphery of a duct 42 and a vehicle body, that is, a radiator support 50 and, at the same time, the clearance 44 is made to have a labyrinth structure. In this structure, it is possible to pre... | 04/04/2006 |
| 7008171 | Modified Savonius rotor A novel modification of a Savonius rotor used as a wind turbine provides an exhaust channel in each vane. The vane of the modified Savonius rotor is formed into an “S” shape. The air that enters a given end of the vane exits that end through the new exhaust chan... | 03/07/2006 |
| 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 |
| 7001149 | Blower housing assembly with mounting tabs The present invention is directed to a centrifugal blower, blower wheel housing, and a method for assembling a blower wheel housing. The blower wheel housing comprises a sheet metal scroll and a contiguous sheet metal first side plate having a substantially planar f... | 02/21/2006 |
| 6976825 | Integrated aspirator and fan shroud A fan shroud having an integrated aspirator is provided comprising a first section and a second section. The first section and second section are designed to mateably engage one another so as to form an air passage between a fan and a cooling module of a vehicle. Th... | 12/20/2005 |
| 6923618 | Rotary motor A turbine engine that includes a housing having a circular cavity of an inlet and an outlet that provide fluid communication to and from the circular cavity. A rotor having a circular body and least one sealing fin extending from the circular body to the cavity wall... | 08/02/2005 |
| 6917521 | Centrifugal blower unit having swirl chamber, and electronic apparatus equipped with centrifugal blower unit An electronic apparatus is provided with a housing containing a heat generating component, and a blower unit contained in the housing and used to cool the heat generating component. The blower unit includes an impeller, and a casing containing the impeller. The casi... | 07/12/2005 |
| 6902597 | Floor standing treatment device The present invention relates to a floor standing treatment device that has a mainframe assembly and a back housing removably attachable to the mainframe assembly. The mainframe assembly comprises a fan and a fan scroll through which air is directed. The back housin... | 06/07/2005 |
| 6860720 | Rotary drive used in conjunction with a mechanical and self-energizing coupling system A wind power system includes a rotary drive, used in conjunction with a mechanical and self-energizing coupling system. The rotary drive can be used as a wind power system in all areas. The electromagnetic coupling system can be used in all industrial areas, in all ... | 03/01/2005 |
| 6824369 | Rotary variable expansible chamber-kinetic hybrid pump This invention concerns pumping fluids to both high pressures and high flow rates and thus has a very high power density. The technology pertains to both fluid power and to fluid transfer and is adaptable to a wide scope of use. The concept is a very simple rotary v... | 11/30/2004 |
| 6821088 | Centrifugal blower having noise-reduction structure In a predetermined range from a nose portion toward a scroll finish side in a scroll casing of a centrifugal blower, a first clearance dimension on a side of a suction port between an outer periphery of a centrifugal fan and a side plate of the scroll casing is set ... | 11/23/2004 |
| 6808365 | Blower motor A bypass blower motor assembly having a motor section 10 and a blower section 11 separated by an end bracket 20 which has through openings. The openings are sealed by a diffuser plate 22 using a labyrinth seal and two O-rings 41, 42. | 10/26/2004 |
| 6796768 | Blower and method for molding housing thereof A blower with improved P-Q characteristic provides a reduction in noise by sucking air inside through slits provided in an annular wall, wherein the blade thickness near a blade end s is progressively reduced toward the front end, and the location F of the maximum t... | 09/28/2004 |
| 6742989 | Structures of turbine scroll and blades The improvements are made in the turbine scroll and the turbine blades. The scroll structure for the radial turbines is characterized by the foregoing scroll having a scroll width ratio between the width in the radial direction (ΔR) and the width in the direction o... | 06/01/2004 |
| 6695580 | Motor/fan assembly having a radial diffuser bypass A bypass motor assembly includes a motor having a rotatable shaft, a working air fan secured to the rotatable shaft and a shroud having an intake eyelet and at least one exhaust apertures. The assembly includes an end bracket having a shaft hole through w... | 02/24/2004 |
| 6695579 | Diffuser having a variable blade height A diffuser for converting high velocity fluid into high pressure fluid. The diffuser includes a pair of spaced opposing walls between which extend a plurality of blades. Each of the blades has a pressure side and a suction side, wherein the pressure side ... | 02/24/2004 |
| 6620041 | Multi-purpose clean air fan and fan motor mount assembly A multi-use clean air fan and fan motor mount assembly comprising a bifurcated conical air inlet and blown air deflector, a fan motor mount, motor mount supports, a fan motor and a fan, the bifurcated conical air inlet and blown air deflector having a lon... | 09/16/2003 |
| 6595744 | Automotive fan assembly with flared shroud and fan with conforming blade tips High efficiency and low noise is achieved in an automotive engine-cooling fan assembly by flaring the inlet to the shroud barrel, and shaping the tips of the fan blades to conform to the shape of the inlet. Separation of the flow entering the fan is reduc... | 07/22/2003 |
| 6588228 | Integrated air conditioner with a fan casing An integrated air conditioner with a fan casing is provided to reduce flowing resistance of air discharged therefrom, and to achieve increase of wind flow rate and reduction of noise owing to air discharged therefrom. The fan casing includes a fan-housing... | 07/08/2003 |
