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| Number | Title | Issue Date |
| 8142147 | Centrifugal blower with partitioned scroll diffuser A centrifugal blower having at least one radial plane dividing its scroll into sub-sections which may vary as to cut-off points and axial and radial dimensions as well as axial displacement to meet requirements of individual application system flow paths. ... | 03/27/2012 |
| 8128355 | Fan for a gas burner system A fan for a gas burner system where at the outflow side of the fan a combustion gas is fed in, in order to form a flammable mixture of gas and air, the fan comprising a spiral-shaped fan housing having a rotational axis and an air outlet; the air outlet of the fan h... | 03/06/2012 |
| 8105026 | Centrifugal blower It is intended to provide a centrifugal blower capable of suppressing the generation of noise including periodic noise that is caused by interference between a tongue and an impeller. The centrifugal blower is provided with an impeller (2) provided with plura... | 01/31/2012 |
| 8075262 | Centrifugal type blower A centrifugal-type blower includes a shaft, a fan, and a casing. The casing includes an inlet, an air passage, and a side wall part. A first distance from a center of the fan to the wall part at an inlet side end portion in a radial direction of the fan gradually in... | 12/13/2011 |
| 7972110 | Centrifugal blower A centrifugal blower having a fan including a blade. A scroll casing houses the fan and has a first axial wall portion, a second axial wall portion, and a side wall extending between the first and second axial wall portions. The scroll casing includes a suction port... | 07/05/2011 |
| 7832984 | Housing for a centrifugal fan, pump, or turbine A housing for a blower, fan or pump or turbine, the housing adapted to be associated with a rotor adapted in use to cooperate with fluid flowing through the housing wherein the housing comprises a shroud for guiding the fluid moving in association with the rotor, th... | 11/16/2010 |
| 7780405 | Blower system having a cooling passage A blower system, wherein a blower case and a motor holding housing are comprised as separate members, a spiral casing is provided with an enlarged part enlarged in an axial direction to an opposite side from the suction port from a centrifugal type blower fan. The m... | 08/24/2010 |
| 7632067 | Blower housing and method of manufacture A blower housing and method of manufacture includes a wrapper wall sheet conjoined with a first side wall and a second side wall and held together with a seam interlocked with mating protrusions and apertures. The housing design may utilize different types and thick... | 12/15/2009 |
| 7549842 | Apparatus for housing an air moving unit A housing cooperates with an air mover rotating about a rotation axis to move air received from an approach to an exhaust. The approach is generally oriented about a direction intersecting the housing at upstream and downstream limits. The housing presents an interi... | 06/23/2009 |
| 7503746 | Fan of heat sink A fan of a heat sink comprising a hub, a plurality of ribs and a set of blades is provided. A distal end of the ribs is connected to circular sidewall of the hub and the set of blades are connected to the primal end of the ribs. The set of blades comprises an outer ... | 03/17/2009 |
| 7500825 | Centrifugal blower A centrifugal blower has a fan rotatable by a rotational drive source and a scroll casing housing the fan and having first and second discharge passages. The first and second discharge passages have radial dimensions or widths and vertical dimensions which are progr... | 03/10/2009 |
| 7431642 | Exhaust fan having a unitary molded housing The subject invention relates to ventilation systems that include a unitary molded housing that defines a flow path and one or more mounting structures, wherein the flow path and the mounting structures are integrated into the unitary molded housing. An exterior str... | 10/07/2008 |
| 7428814 | Turbine assemblies and related systems for use with turbochargers A turbocharger turbine housing with at least two volutes utilizing multiple nozzle rings to optimize the turbocharger's proficiency per application, and a valve to control the exhaust flow to selected volutes in the turbine housing. ... | 09/30/2008 |
| 7416385 | Housing for a centrifugal fan, pump, or turbine A housing for a blower, fan or pump or turbine, the housing adapted to be associated with a rotor adapted in use to cooperate with fluid flowing through the housing wherein the housing comprises a shroud for guiding the fluid moving in association with the rotor, th... | 08/26/2008 |
| 7371047 | Exhaust gas turbine for an exhaust gas turbocharger In an exhaust gas turbine for a turbocharger with a spiral housing consisting of sheet metal surrounding a guide vane structure and having a tangential inlet funnel and an outer shell which also consists of sheet metal and surrounds the spiral housing with an air ga... | 05/13/2008 |
| 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 |
| 7334986 | Centrifugal fan A centrifugal fan, in which an expansion angle of a radius of curvature of the outer periphery of a scroll housing from a position angle of a cutoff portion, serving as a suction portion, to a designated portion from the former in the direction of air flow is gradua... | 02/26/2008 |
| 7329095 | Blower capable of reducing secondary flow A blower capable of reducing secondary flow comprises a frame and a wheel blade part. The wheel blade part is mounted in the frame. The wheel blade part is composed of a hub and a plurality of blades surrounding the hub. The frame is composed of a base and an upper ... | 02/12/2008 |
| 7284952 | Centrifugal fan A centrifugal fan is described. The centrifugal fan is suitable for a portable electrical apparatus. A tongue shape is formed from a volute sidewall of a casing of the centrifugal fan and non-parallel to a rotational axis of blades. Therefore, when the blades rotate... | 10/23/2007 |
| 7278823 | 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 having an overall radial dimension which conforms to the industry standard arrangement of mounting holes on... | 10/09/2007 |
| 7264443 | Centrifugal water pump A pump includes a housing defining an internal chamber having an axial inlet passage, a generally radial passage with an outlet to a volute. A rotatable impeller, disposed within the chamber, has a conical rear shroud sloping away from the axial inlet to define a re... | 09/04/2007 |
| 7260929 | Secondary air deliver device for an internal combustion engine In a secondary air delivery device for an internal combustion engine comprising a secondary air charger with a compressor and a turbine which is driven by the vacuum generated in the engine intake duct and which drives the compressor that delivers secondary air to t... | 08/28/2007 |
| 7246997 | Integrated high efficiency blower apparatus for HVAC systems An integrated centrifugal blower wheel for a heating, ventilation and air conditioning (HVAC) blower unit includes a first blade support, a second blade support, and a plurality of S-shaped blades disposed between the first and second blade supports, wherein each of... | 07/24/2007 |
| 7244099 | Multi-vane centrifugal fan A multi-vane centrifugal fan has a fan housing and an impeller. The impeller includes a plurality of vanes arranged with a prescribed spacing in the circumferential direction and fixed to a hub rotatably driven around a shaft core. The impeller further includes an a... | 07/17/2007 |
| 7234302 | Housing for a turbocharger A housing for a turbocharger forms a housing jacket (6, 7) which surrounds a rotor space (15) for receiving a turbine rotor (18). The housing jacket consists of sheet metal at least in part. A connection pipe (4′) provides for communica... | 06/26/2007 |
| 7220101 | Centrifugal fan and fan frame thereof A centrifugal fan, comprising a frame and a first guide portion. The frame comprises a bottom portion and a curved wall connected thereto. The curved wall comprises an airflow inlet. The first guide portion disposed along the curved wall at the bottom portion compri... | 05/22/2007 |
| 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 |
| 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 |
| 7206724 | Method for designing a blower wheel scroll cage A method for determining the shape of a scroll cage for a forward-curved centrifugal blower wheel in a blower housing having a blower cut-off end including determining the blower wheel dimensions, determining the blower wheel clearance, determining the distance from... | 04/17/2007 |
| 7198459 | Casing arrangement for a turbocharger of an internal combustion engine A casing assembly for a turbocharger of an internal combustion engine includes a rotor casing having an intake duct and an exhaust flow passage which is connected to an exhaust flange and constructed for attachment to the rotor casing such as to allow a relative mov... | 04/03/2007 |
| 7195457 | Motor-operated fan for air cushion table A motor-operated fan includes a housing, a motor secured in the housing, and an impeller rotatably mounted on the housing and rotated by the motor. Thus, the impeller has a plurality of blades and a plurality of auxiliary blades to produce a larger air flow when the... | 03/27/2007 |
| 7195450 | Multiblade fan and electronic apparatus having a multiblade fan A multiblade fan includes a case having an air intake port and an air exhaust port, an impeller disposed in said case and having a plurality of blades rotatable about the center of said air intake port, and a noise silencer fin extending substantially parallel to th... | 03/27/2007 |
| 7192249 | Turbulent flow blower A turbulent flow blower applied in a notebook PC is described. The turbulent flow blower has an impeller and an outer housing. The impeller is mounted on a rotor of a motor, and the outer housing houses the impeller and the motor. The outer housing includes an inlet... | 03/20/2007 |
| 7179051 | Method of die casting compressor housings A compressor housing is provided for a compressor impeller. The compressor housing comprises an outer shell including an outer section, a midsection, and a center section. The midsection of the outer shell forms an upper volute wall portion of the compressor housing... | 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 |
| 7163371 | Centrifugal fan A centrifugal fan is configured to be capable of preventing turbulence of the flow in the vicinity of an inlet. The centrifugal fan is a multi blade fan that takes gas in from a rotational axis line direction and blows the gas out in a direction that intersects the ... | 01/16/2007 |
| 7144219 | Cutoff for fan or blower A cutoff for a blower housing. The cutoff comprises a cutoff having an edge, the edge includes first and second ends and a midsection. The midsection includes an acoustical reduction section. Each end includes an efficiency enhancing portion curving from a first sma... | 12/05/2006 |
| 7121794 | Component assembly for reconfiguring a centrifugal pump A component assembly is provided for converting a conventional centrifugal pump, of the vortex impeller type for example, to a different type of centrifugal pump, such as a spiral impeller pump. The component assembly enables a resident centrifugal pump to be conver... | 10/17/2006 |
| 7121788 | Exhaust gas turbocharger for an internal combustion engine An exhaust gas turbocharger for an internal combustion engine comprises a turbine in the exhaust line and a compressor, which is driven by the turbine and which is located inside the intake tract of the internal combustion engine. The turbine comprises a flow duct h... | 10/17/2006 |
| 7097411 | Turbomachine compressor scroll with load-carrying inlet vanes A compressor scroll housing for use in conjunction with turbo-machinery, particularly applicable in aircraft. The scroll housing can include a plurality of scroll vanes arrayed around the scroll housing. Scroll vanes, integrally formed with the scroll housing, carry... | 08/29/2006 |
