Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 8172525 | Centrifugal compressor A centrifugal compressor in which frequency of noise produced by rotation of the impeller does not resonate with natural frequency of vibration of gas in a plurality of axial slots serving to increase gas flow rate in an operation range of increased gas flow rate an... | 05/08/2012 |
| 7399155 | Fluid flow guide element and fluid flow apparatus equipped therewith A fluid flow guide element (1) constructed, for example, as a diffuser having an inlet opening (2) and an outlet opening (3) whose respective cross-sectional areas differ from one another. Corresponding to the exterior view shown in FIG.... | 07/15/2008 |
| 7354244 | Blower and method of conveying fluids A blower for a water heater having a flue defining a flue axis. The blower includes a housing at least partially defining a first chamber and a second chamber and having an inlet opening into the first chamber and an outlet communicating between the second chamber a... | 04/08/2008 |
| 7338256 | Blower A blower comprises a housing and an impeller. The housing comprises a side outlet and an inlet comprising a predetermined profile, and the impeller is disposed in the housing. The predetermined profile is quadratrical, elliptical, polygonal, non-coaxial circle, or i... | 03/04/2008 |
| 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 |
| 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 |
| 7255533 | Centrifugal fan It is possible to keep a diameter of an impeller and a cross sectional area of an air channel as large as possible while reducing a size of a centrifugal fan in a direction perpendicular to an axis. Thereby, it is possible to acquire characteristics of a high air vo... | 08/14/2007 |
| 7214031 | Apparatus and method for processing fluids An apparatus and a method for a versatile, multi-stage, centrifugal fluids-processing device adaptable to efficiently mixing, blending, emulsifying, deagglomerating or homogenizing fluids. The device comprises a centrifugal-pump-type mechanism comprising an electric... | 05/08/2007 |
| 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 |
| 7182574 | Draft inducer blower with fastener retention A draft inducer blower for high efficiency furnaces, including a blower housing having a housing body and housing cover. The housing body includes a plurality of mounting lugs spaced around its outer periphery, through which fasteners are inserted to secure the blow... | 02/27/2007 |
| 7179048 | Cooling apparatus with a mesh structure A cooling apparatus with a mesh structure for cooling a lampwick of a projector. The cooling apparatus includes a blower, an adjustable air duct disposed at an outlet of the blower. The adjustable air duct further includes an air duct portion, a guiding portion, and... | 02/20/2007 |
| 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 |
| 7018287 | High velocity and high dilution exhaust system The high velocity and high dilution exhaust system uses a centrifugal fan provided with a tapered nozzle. The nozzle compresses the airstream exiting the fan to increase back pressure and velocity. The air flow from the fan enters a stack having a venturi further in... | 03/28/2006 |
| 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 |
| 6929448 | Blower assembly including exhaust restriction device A blower assembly that includes an exhaust restrictor to aid in operating the blower assembly over a range of operating conditions. The blower assembly includes a blower housing having a housing exhaust opening that receives a flow of exhaust gases created by a rota... | 08/16/2005 |
| 6910483 | Double-ended blower and volutes therefor A double-ended variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the double-ended blower can ... | 06/28/2005 |
| 6908281 | Blower housing for furnace blower assembly A blower housing for a furnace blower assembly of the type including a blower motor coupled to an impeller for use in expelling exhaust gases from a furnace. The blower housing generally includes an inlet, an impeller cavity, and an extension portion extending from ... | 06/21/2005 |
| 6902373 | Sheet metal exhaust adapter for draft inducers An exhaust adapter for use with a draft inducer having a blower housing with a rectangular blower outlet. The exhaust adapter provides a transition from the rectangular outlet of the blower housing and a round exhaust pipe. The exhaust adapter includes a transition ... | 06/07/2005 |
| 6895874 | Furnace blower housing with integrally formed exhaust transition A furnace blower housing has a two-piece exhaust transition, one piece of which is an integral extension of the blower housing, that transitions a rectangular cross section outlet of the blower housing to a circular cross section outlet of the exhaust transition tha... | 05/24/2005 |
| 6866480 | Centrifugal fan A centrifugal fan with single or double intake is provided with a fan impeller of a closed type which is formed of a rotating bladed wheel having at least a covering element. Blades of the fan impeller are flat and are backwardly inclined with respect to a direction... | 03/15/2005 |
| 6866473 | Blower This invention is designed to reduce a harsh noise, by suppressing a wind noise generated at a wind-receiving end, which is caused by forming the wind-receiving end of an outlet port for air so as to be parallel to a side extending along the direction of the rotatio... | 03/15/2005 |
| 6843639 | Blower A blower having a discharge tube, which can be secured to a housing, for guiding a stream of air is provided. The air stream flows in a main stream direction in the discharge tube and in a discharge stream direction out of the discharge tube. The discharge stream di... | 01/18/2005 |
| 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 |
| 6677564 | Blower apparatus A blower apparatus which is used inside an Over-The-Range (OTR) microwave oven and the like, includes a centrifugal fan, a bracket which is fixed and combined with a side of the driving unit and a fan housing having a suction port which rotably accommodat... | 01/13/2004 |
| 6579060 | Impeller and housing assembly with reduced noise and improved airflow An impeller and housing assembly with reduced noise and improved airflow includes a volute, a shaft, a housing, a central axis, and an inlet port located along the central axis. An outlet port is located on a second axis spaced from the central axis. An e... | 06/17/2003 |
| 6511290 | Blower housing with integral exhaust flange A blower for a furnace is provided with an exhaust flange having a compressible end portion, and a flexible fitting adapted to receive an exhaust pipe is insertable into an interior of the exhaust flange. A clamp compresses the compressible end portion ab... | 01/28/2003 |
| 6503067 | Bladeless turbocharger A bladeless turbocharger is disclosed for use with an internal combustion engine. The apparatus includes a drive shaft engaged with a bearing assembly that has a turbine driven by the exhaust gas from the internal combustion engine at one end and a blower... | 01/07/2003 |
| 6494152 | Stamped blower housing with 4" transition A blower for a furnace is provided where the blower has a housing with an industry standard 4" diameter exhaust port. The discharge of the blower housing is coupled directly to exhaust piping without the use of transition pieces or expender pieces.... | 12/17/2002 |
| 6485259 | Vaneless impeller housing for a vacuum cleaner A vacuum cleaner includes a driven impeller that moves working air for the vacuum cleaner. A first housing includes a first wall and a second housing includes a second wall opposite the first wall, and an outlet for the working air. The impeller rotates a... | 11/26/2002 |
| 6468034 | Flush mount round exhaust fabricated inducer housing A furnace blower housing that can be flush mounted to a furnace and includes an integrally formed round exhaust outlet. The blower housing is formed from two separate housing members joined to each other. The blower housing includes an impeller cavity tha... | 10/22/2002 |
| 6439839 | Blower A blower is disclosed. The blower comprises an impeller and a scroll housing. The impeller is provided with a plurality of blades and rotated. The scroll housing guides and discharges air sucked by the impeller to the outside, and surrounds the impeller. ... | 08/27/2002 |
| 6398495 | Dishwasher The present invention provides a drain pump for a washing appliance. The pump includes a motor having a drive shaft, a drain pump impeller mounted on the shaft, and a pump casing having a side wall which is co-axial with the motor and the impeller, which ... | 06/04/2002 |
| 6368078 | Bladeless turbocharger A bladeless turbocharger is disclosed for use with an internal combustion engine. The apparatus includes a drive shaft engaged with a bearing assembly that has a turbine driven by the exhaust gas from the internal combustion engine at one end and a blower... | 04/09/2002 |
| 6254336 | Sirocco fan having an inclined cutoff A sirocco fan which reduces abnormal noise and improves air flow includes: a scroll 2 with an inlet wall 8 and a closed endwall 9, the inlet wall 8 having an inlet and the endwall 9 being opposed to the inlet wall 8; and an impeller 3 provided in the scro... | 07/03/2001 |
| 6206633 | Case assembling structure of blower unit A blower unit includes a case divided into an upper case portion having an air introduction port, a lower case portion for accommodating a fan, and a bell-mouth portion interposed between the upper and lower case portion portions. An air leading port is p... | 03/27/2001 |
| 6200093 | Sirocco fan A dual-intake fan which is a so-called sirocco fan used for venting air is disclosed. The fan has a structure in which a portion of an exhaust outlet is formed to be inclined while the centers of a scroll housing and an impeller are disposed to be eccentr... | 03/13/2001 |
| 6171054 | Impeller housing with reduced noise and improved airflow An impeller housing for a suction device with reduced noise and improved airflow. The impeller assembly comprises a shaft and a housing. The housing comprises a volute, a central axis, and an inlet port located along the central axis. An outlet port is lo... | 01/09/2001 |
| 6168378 | Air deflectors to accommodate multiple size ventilator outlets A pair of air deflectors attached to the outlet opening of a blower assembly housed within a ventilator housing to accommodate multiple size outlets in the ventilator housing of a ventilation system. The air deflectors include a front portion for attachme... | 01/02/2001 |
| 6162016 | Centrifugal blower assembly A centrifugal blower assembly including a fan wheel and a housing enclosing the fan wheel. The housing has an inlet housing cover and an exit housing cover forming a volute chamber with a cut-off region and terminating in a fluid exit end. The inlet housi... | 12/19/2000 |
