Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8007239 | Cooling fan having protrusion at air outlet thereof A cooling fan (20) includes a housing (22) and an impeller (24). The housing has a base (221), a sidewall (222) extending from a periphery of the base with an air outlet (226) defined therein, and a cap (223) covering... | 08/30/2011 |
| 7338286 | Dental implant system An implant comprising two internal anti-rotational features. One anti-rotational feature is adapted to engage a driving tool, while the other anti-rotational feature is adapted to engage an abutment. An implant abutment system is provided with an angled abutment ada... | 03/04/2008 |
| 7334936 | Mixing device and method of mixing The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 02/26/2008 |
| 7334937 | Impeller vane assembly for liquid/solid blenders An impeller vane assembly for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively... | 02/26/2008 |
| 7316502 | Mixing blade, blending apparatus, and method of mixing A blade for mixing a material includes a disk comprising a plastic or composite material. The disk may have one or more circumferentially-spaced openings extending through the disk from a substantially flat top surface to a substantially flat bottom surface. The ope... | 01/08/2008 |
| 7281897 | Multi-blade centrifugal blower Each of blades of a multi-blade centrifugal blower is provided with a taper portion, which is arranged at an inside periphery at least at the side of one rotation-shaft-direction end of the blade and tapers from the side of other rotation-shaft-direction end of the ... | 10/16/2007 |
| 7070317 | Method of mixing using vaned mixing device The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 07/04/2006 |
| 7070389 | Turbofan and method of manufacturing the same A method of manufacturing a turbofan, which facilitates a manufacturing process and reduces a defective fraction of products during the manufacturing process by providing joining portions of the turbofan with corresponding plane surfaces. The turbofan includes a rot... | 07/04/2006 |
| 7021891 | Micro-impeller miniature centrifugal compressor A back-to-back double-flow bi-directional thrust-balanced micro-impeller for use in optimized compression cycles of small volumetric flow rates is provided. The back-to-back micro-impeller is a component of a compressor capable of generating a pressure head suitable... | 04/04/2006 |
| 7018171 | Blower with double inlet wheel A blower having an enclosure having side walls defining an internal chamber, an open end comprising a first inlet, a second inlet and an outlet. A flow separator plate extends across the internal chamber between the side walls defining a first scroll duct and a seco... | 03/28/2006 |
| 6974246 | Apparatus for blending liquids and solids including improved impeller assembly A method and apparatus for blending liquids with solid particulate matter in which a center drive shaft extends through a housing having a solid particle inlet and a liquid inlet together with an outlet, and upper and lower impeller vanes are aligned respectively wi... | 12/13/2005 |
| 6899515 | Cross flow fan and air conditioner fitted with the same Cross flow fan having a plurality of unit fans assembled in succession with the unit fans twisted from each other at sides, and an air conditioner fitted with the same. The unit fan includes an annular rim, and a plurality of impellers arranged on a side of the rim ... | 05/31/2005 |
| 6705837 | Welded connector for blade liner A connector sleeve 17 secured to the backing plate 7a of a wear-resistant liner 7 facilitates attachment of the liner 7 to the body9 of a rotor blade by virtue of welding of a thrust collar 20 to a portion of the conn... | 03/16/2004 |
| 6695038 | Heat exchanger type fan Heat exchange devices are provided for use in ventilation and air conditioning systems where the heat carriers do not mix with one another. According to one embodiment, a heat exchanger type fan includes a casing having two inlets and two outlets, and a d... | 02/24/2004 |
| 6540476 | Centrifugal fan The centrifugal fan of the present invention comprises a frame, a rotatory means and an impeller. Among these, the frame has a first intake, a second intake, at least one air outlet and a plurality of ribs crossing the second intake. The rotatory means mo... | 04/01/2003 |
| 6345956 | Impeller of a blower having air-guiding ribs with geometrical configurations An air-guiding impeller for a blower. The impeller includes a rotary shaft adaptable for a motor, an annular frame, blades formed on the annular frame, and air-guiding ribs interconnected between the annular frame and the rotary shaft and inclined with re... | 02/12/2002 |
| 5522989 | Device for aerating waste water A method for aerating waste water, wherein the interface area between air and waste water is enlarged by splashing the water by means of blades and wherein the sludge present in the waste water is kept in suspension by creating flows and/or turbulence in ... | 06/04/1996 |
| 5501524 | Method for mixing granulates, powders and liquids and a device therefor Method for mixing granulates, powders and liquids in a continuous process, whereby the material is placed in a mixing housing and is mixed therein with the aid of a rotor equipped with mixing arms. The material is thereby moved to and fro many times durin... | 03/26/1996 |
| 5478275 | Radial fan A ventilation system for a car including an outside air channel, an interior air channel, and a radial fan having a suction side and an exhaust side. The fan is situated at junction between the outside air and interior air channels, so that the outside ai... | 12/26/1995 |
| 5476365 | Centrifugal blower wheel with forward curved multi-blades A centrifugal blower wheel is provided with forward-curved multi-blades comprising a pair of end rings, a plurality of blades and a disk. By separating the blades into "vane members" which assume the function of a fluid device and "vane attachment members... | 12/19/1995 |
| 5368443 | Blade wheel for a centrifugal pump A blade wheel for a centrifugal pump has at least two blade discs spaced along an axis of rotation of the discs. At least one row of generally radial blades extends between the blade discs and is spaced successively in a circumferential direction of the b... | 11/29/1994 |
| 5265996 | Regenerative pump with improved suction Poor inlet suction characteristics in regenerative pumps may be avoided in a construction including a housing (10) having an impeller receiving cavity (20) with a circular impeller (22) therein. Channel-like annular grooves (32, 34) are disposed in the ho... | 11/30/1993 |
| 5207557 | Centrifugal fan having variable width blades A centrifugal fan has blades the effective width of which are variable during fan operation through the actuation of modulation apparatus which rotates with the fan wheel and is driven thereby. The modulation apparatus isolates the blocked off and unused ... | 05/04/1993 |
| 4874293 | Modified centrifugal airfoil fan wheel A modified centrifugal airfoil fan wheel having a plurality of radially extending blades, a spaced back plate and front plate that interconnect each blade along the lateral edges of each blade, a center plate and a plurality of stiffeners. The center plat... | 10/17/1989 |
| 4786183 | Mixing apparatus The mixing apparatus has a plurality of pump impellers having one common axis and extending parallel to each other. Immediately adjacent pump impellers have opposite directions of rotation. The blading of the pump impellers is such that the currents of th... | 11/22/1988 |
| 4664593 | Blade configuration for shrouded motor-driven fan A motor-driven fan including a hub adapted to be driven by a motor, a plurality of fan blades provided on the hub to extend in radial directions, a shroud including a ring-shaped portion encircling the fan blades and stay members for supporting the ring-s... | 05/12/1987 |
| 4648720 | Beating/emulsifying tool for a domestic electrical appliance for food preparation A domestic electrical appliance for food preparation has a generally cylindrical bowl and a vertical shaft rotatably mounted in this bowl. A beating/emulsifying tool of the invention is arranged to be mounted on the shaft. The tool comprises a disc arrang... | 03/10/1987 |
| 4643644 | Shaft and pulley assembly A shaft and pulley assembly for a blower having a scroll housing containing an impeller utilizes a square section shaft having a pulley retained thereon, an impeller having a hub with inner surfaces which lie in face-to-face contiguity with the shaft, a p... | 02/17/1987 |
| 4639193 | Fan wheel for radial fan A single-piece plastic fan wheel for a radial fan comprises a hub, a blade ring having fan blades and an intermediate piece interconnecting the hub and the blade ring. The hub comprises an inner hub ring attachable to the drive shaft of a motor and an out... | 01/27/1987 |
| 4589822 | Centrifugal blood pump with impeller A centrifugal blood pump has an impeller with a hub, a blade support ring and alternating long and short blades. A tapered seal between a pump housing wall and a hub of an impeller which provides a fluid tight seal interface surrounding a shaft. The long ... | 05/20/1986 |
| 4565495 | Armoring system for an airfoil centrifugal fan An armoring system for use with an airfoil centrifugal fan for preventing erosion of the airfoil blades of the fan. The armoring system comprises an armor shield adapted to be releasably secured to at least a portion of the upper surface of the fan blades... | 01/21/1986 |
| 4530639 | Dual-entry centrifugal compressor The improved dual-entry radial compressor rotor of the present invention has two sets of alternating full length and partial length blades on a symmetrical hub, with the partial length blades on one hub side terminating at the rotor high velocity exit coi... | 07/23/1985 |
| 4526506 | Radial fan with backwardly curving blades A radial fan has airfoil-like, backwardly curved blades placed between a support plate and a cover plate. The blades are so formed that the blade entry angle on the cover plate side is 4° to 7° smaller than the blade entry angle on the support plate sid... | 07/02/1985 |
| 4515527 | Center plate-blade interconnection on a centrifugal blower wheel A center plate-blade attachment configuration for a centrifugal blower wheel which gives improved high speed rupture strength and improved resistance to the center plate slipping circumferentially relative to blades. The inner edge of each blade is provid... | 05/07/1985 |
| 4479735 | Shrink fit sleeve for rotating machinery Shrink fit sleeves 30 interposed between the hub 21 and the shaft 10 of a large rotating apparatus adapted for operation in an environment subject to severe cyclical loading as occasioned by large thermal transients, are provided with the property of havi... | 10/30/1984 |
| 4470753 | Radial blower, especially for heaters or air conditioning systems in vehicles A radial blower, especially for heaters and/or air conditioning systems of motor vehicles. The radial blower including a housing having a front portion provided with an air intake opening and a back portion provided with discharge or exit openings. The ho... | 09/11/1984 |
| 4406585 | Impeller assembly for a blower mechanism An impeller assembly for use in a blower structure including a blower wheel which defines a centrally located peripheral groove in which a special endless metallic pulley band is fixedly mounted and having a hub sleeve which is demountably carried on a tu... | 09/27/1983 |
| 4403910 | Pump apparatus A regenerative pump apparatus has a housing and a substantially disc-shaped impeller rotatably housed by the housing. Circumferential rows of radial vane grooves are formed in the outer peripheral portions of both side surfaces of the impeller. Each circu... | 09/13/1983 |
| 4322200 | Heavy duty impeller A fabricated, heavy duty centrifugal pump impeller wherein the relatively heavy gauge shrouds are formed by plastic deformation such as by metal spinning, stretch forming or hydroforming. The hub is similarly formed and a plurality or regularly circumfere... | 03/30/1982 |
| 4264276 | Water wheel for exerting flotation and propelling forces A water wheel for providing both flotation and propelling forces. The water wheel includes a disc made up of a pair of side walls spaced apart in their center area and joined at their peripheries to define a cavity. Paddle members are fixed to the outside... | 04/28/1981 |
