Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 8109733 | Variable speed hub A method of adjusting the speed of blades rotating in a rotor plane on a wind turbine, wherein the angle between at least two blades in the rotor plane is changed, whereby the tip speed of each individual blade can be optimised relative to the current speed of the w... | 02/07/2012 |
| 8043063 | Intentionally mistuned integrally bladed rotor A frequency mistuned integrally bladed rotor (IBR) for a gas turbine engine comprises a hub and a circumferential row of blades of varying frequency projecting integrally from the hub. Each blade in the row alternate with another blade having a different pressure su... | 10/25/2011 |
| 8007241 | Bi-directional cooling fan A radial fan comprises a base with a plurality of straight primary blades radially oriented and substantially uniformly spaced around the circumference of the base. A like plurality of splitter vanes are interspersed between successive primary blades. The splitter v... | 08/30/2011 |
| 7918651 | Fan and impeller thereof An impeller includes a hub, a plurality of first blades, and a plurality of second blades. The first blades are disposed around the hub. The second blades are disposed between the first blades. The lengths of the second blades are shorter than those of the first bla... | 04/05/2011 |
| 7887299 | Rotary body for turbo machinery with mistuned blades A rotary body for use in a turbo machine includes a hub having an outer edge and a plurality of slots formed in the outer edge, the slots having first and second spaced-apart opposing inner surfaces extending from the outer edge to a depth within the hub, and a plur... | 02/15/2011 |
| 7802967 | Vertical axis self-breaking wind turbine A vertical axis wind turbine which includes a rotor having three radially extending blades spaced at even intervals about a central axis. Each radially blade having an outer edge that lies on an imaginary circle of a first diameter. Each radially extending blade inc... | 09/28/2010 |
| 7435051 | Multi-stage blower A blower is formed with multiple sets of rotatable rings of blades coupled to each other. Multiple inlet rings are correspondingly coupled to the multiple sets of rotatable rings of blades. In one embodiment, the blades may be forward facing blades and include a vol... | 10/14/2008 |
| 7435048 | Drain pump, and air conditioner provided therewith A drain pump is provided that reduces the operating noise when the head is low. The drain pump has a pump casing, and an impeller. The pump casing has a drain inlet for sucking in drain water at a lower end part and a drain outlet for discharging drain water at a si... | 10/14/2008 |
| 7429163 | Performance propeller The invention relates to a propeller and an apparatus to modify a propeller that provide new propeller performance characteristics. In a preferred embodiment, the propeller includes two blade sets wherein the blades in the sets of distinct geometries from the blades... | 09/30/2008 |
| 7371058 | Oil feeding propeller of scroll compressor An oil feeding propeller of a scroll compressor for preventing deterioration of oil feeding generated when a rotation shaft is rotated in reverse is disclosed. The propeller is tightly fitted into the lower side of the oil passage of the rotation shaft, sucks oil in... | 05/13/2008 |
| 7367775 | Apparatus and method for optimizing vibration of a gas turbine A rotor comprising several blades rotating together with the rotor, particularly running blades, and the blades forming at least one blade ring, is disclosed. The blades within the, or each, blade ring are arranged at a different distance from one another. ... | 05/06/2008 |
| 7365471 | Internal cooling fan with a non-repeating blade configuration An internal cooling fan assembly for use with a claw-pole segment of a rotor assembly is provided that maximizes air flow while providing a reduced sound signature. The fan assembly includes a base portion that contacts the claw-pole segment when the fan assembly is... | 04/29/2008 |
| 7360995 | Vertical axis windmill A vertical axis windmill in which a support frame is provided as a wind power dam to form a plurality of shaft-installation sections, and in which a plurality of vertically long blades each of which has a tilted part at the upper and lower ends respectively are disp... | 04/22/2008 |
| 7331764 | High-strength low-weight fan blade assembly An engine cooling fan system including a hub disc about which first and/or second pluralities of elongated fan blades characterized by a first and second respective pitch angles may be fastened. Each respective fan blade further comprises a hub-engaging portion, a t... | 02/19/2008 |
| 7326037 | Centrifugal pumps having non-axisymmetric flow passage contours, and methods of making and using same Centrifugal pumps and methods of making and using them are disclosed. One inventive pump includes a plurality of flow passages, at least one pump component having one or more non-axisymmetric flow passage contours defined at least in part by non-equal blade or vane ... | 02/05/2008 |
| 7322792 | Cooling fan without returning flow A cooling fan without returning flow comprises a motor stator, a frame and a motor rotor. The frame is joined to the stator with a support device at the inlet side thereof. The motor rotor is disposed at the stator. A fan blade set is disposed under the rotor and at... | 01/29/2008 |
| 7284950 | Impeller and apparatus using the same An impeller rotates for pressurizing fluid in a pump passage. The impeller includes an inner circumferential portion and an outer circumferential portion. The outer circumferential portion has two axial end surfaces that respectively have a plurality of vane grooves... | 10/23/2007 |
| 7274121 | Systems and methods for fastening internal cooling fans to claw-pole electro-mechanical machines Methods, systems, and articles of manufacture for fastening internal cooling fans to claw-pole segments are provided. A claw-pole segment suitable for use in a rotor of an electro-mechanical machine is formed. The claw-pole segment may include a base portion, at lea... | 09/25/2007 |
| 7273354 | High efficiency axial fan Disclosed is an axial fan (1) rotating in a plane (XY) about an axis (2) having a central hub (3) and a plurality of blades (4), which have a root (5) and a tip (6). The blades (4) are delimited by a concave leading e... | 09/25/2007 |
| 7267530 | Windmill apparatuses and methods of mounting blades to enhance their performance A windmill apparatus has multiple pairs of blades to enhance power output and lift performance. The apparatus has multiple double acting piston/cylinders actuated by the windmill, which includes several clutches that are used to engage and disengage the windmill fro... | 09/11/2007 |
| 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 |
| 7234914 | Apparatus and method for enhancing lift produced by an airfoil A compressor or pump employs principles of unsteady delayed stall to enhance the head increase produced by the compressor or pump. Plural airfoil-shaped lifting elements are spaced from each other in a cascade and the fluid is directed into the cascade by a device t... | 06/26/2007 |
| 7210907 | Centrifugal fan impeller with blades inclined relative to the axis of rotation The invention relates to a centrifugal fan impeller (1) having an axis of rotation (6) and comprising one or more modules (2). Each module (2) comprises a mounting disc (4), at least one connecting ring (5) and a plurality o... | 05/01/2007 |
| 7210908 | Hydraulic machine rotor Rotor blades of a hydraulic machine rotor are shaped such that the inlet edge and outlet edge of two adjacent rotor blades have varying profiles in different sections. ... | 05/01/2007 |
| 7195456 | Turbine engine guide vane and arrays thereof An exit guide vane array for a turbine engine includes a set of guide vanes 28 having a solidity and defining fluid flow passages 74 with a chordwisely converging forward portion 80. The high solidity and convergent passage portion 80 res... | 03/27/2007 |
| 7189061 | Cooling fan for vehicles A cooling fan having a circumferential ring. In ordinary fans of this type, deformation of fan blades causes the ring to buckle inward at locations between the blades. In one form of the invention, mass is added to the ring between the blades to counteract the buckl... | 03/13/2007 |
| 7189062 | Centrifugal impeller A centrifugal impeller particularly for a turbo-charger includes a circular disc member, a boss portion formed at a central portion of the disc member and having a central through hole into which a rotational shaft is inserted, an impeller blade integrally formed on... | 03/13/2007 |
| 7186088 | Low pressure fan with high-flow A fan 10 has a hub 12, a plurality of fan blades 14 attached to the hub at one end and extending outwardly from the hub, and a ring 18 concentric with the hub and coupled to tips 16 of the blades. Wherein a dimensionless radius (r/... | 03/06/2007 |
| 7168923 | Alternator fan The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades (47, 48) extending from the latter, the fan being moulded in a plastics material on... | 01/30/2007 |
| 7165938 | Fan device for removing heat from heat sources A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a side of the casing. The fan unit includes a first ring and a motor i... | 01/23/2007 |
| 7165941 | Method and apparatus for use in construction of wind power installation and wind power installation employing same One aspect of the present invention concerns a process for mounting rotor blades to a rotor hub of a wind power installation in situ. In order to avoid high torques in the mechanical train of the wind power installation in the operation of mounting the rotor blades,... | 01/23/2007 |
| 7146971 | Impeller and a supercharger for an internal combustion engine An impeller for a supercharger for an internal combustion engine and a supercharger incorporating such an impeller is disclosed. The impeller includes a molded upper part having a top wall defining a top opening. The top wall extends outwardly to a lateral edge and ... | 12/12/2006 |
| 7144223 | Supercavitating propeller with adjustable cup, and the method to adjust said cup The invention describes a supercavitating propeller with adjustable cup, and a method to adjust the cup. The trailing edge of the propeller blade is characterised by a protuberance with a limited section compared to the blade's section at the conventional trailing e... | 12/05/2006 |
| 7134839 | Radial-flow heat-dissipating fan with increased inlet airflow A radial-flow heat-dissipating fan includes a casing and a cover mounted to a side of the casing. The casing includes a compartment and a side air outlet, and the cover includes an air inlet. A primary fan wheel is rotatably mounted in the compartment and the primar... | 11/14/2006 |
| 7125226 | Impeller for radial-flow heat dissipating fan An impeller for a radial-flow heat dissipating fan includes a hub and a plurality of blades surrounding the hub. The blades are connected to a circumference of the hub to allow joint rotation of the hub and the blades. More than one blade include an air inlet side e... | 10/24/2006 |
| 7121798 | Radial fan wheel for transporting cooling air for an electric machine In a radial fan wheel for supplying cooling air for an electrical machine, with a number of fan blades (16) attached along the circumference of the fan wheel (10) that have arc-shaped blade ends (18), which, at their radially inner edge, enclose... | 10/17/2006 |
| 7118331 | Stator vane assembly for a turbomachine A stator vane assembly for a turbomachine comprising a plurality of circumferentially arranged stator vanes (32), the axial position of the stator vanes (32) and/or the pitch angle circumferentially between adjacent stator vanes (32) is varied c... | 10/10/2006 |
| 7048507 | Axial-flow thermal turbomachine The invention relates to an axial-flow thermal turbomachine having a metallic rotor (1), in which rotor blades (3) made of an intermetallic compound are mounted in a circumferential groove to form a row of blades. The invention is characterized in that... | 05/23/2006 |
| 7044713 | Wind power generator with multiple rotary wings A wind power generating apparatus having a plurality of rotary wings can reduce the load and resistance on the rotary wings due to wind to obtain a highly effective rotation power as well as to flexibly absorb the impact applied to the rotary wings due to varying wi... | 05/16/2006 |
| 7037089 | Cooling fan having dual blade sets A cooling fan with dual blade sets has an impeller formed by a rotatable hub, a stator assembly, and a shell. A plurality of mini blades and a plurality of guide blades are respectively formed on a bottom surface and an external surface of the rotatable hub. The imp... | 05/02/2006 |
