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An enclosure for small animals which is wearable on the front or back of an animate being.
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| Number | Title | Issue Date |
| 7997870 | Turbine rotor for electrical power generation An electrical generation device includes a turbine rotor for electrical power generation, preferably underwater, from moving fluid, preferably water currents or the wind. The turbine rotor includes turbine blades that include flexible portions, preferably mounted at... | 08/16/2011 |
| 7396207 | Wind turbine A wind turbine comprising: (1) a support portion; (2) a hub that is mounted to rotate adjacent the support portion; and (3) at least one turbine blade mounted adjacent the hub and that comprises both a rotor and a sail that is mounted adjacent the rotor. The rotor m... | 07/08/2008 |
| 7354246 | Electronics cooling fan with collapsible fan blade An electronics cooling fan comprises at least one collapsible fan blade driven by centrifugal force to extend radially as the fan spins and driven by elastic force to retract as spinning slows or stops. ... | 04/08/2008 |
| 7338011 | Method making it possible to prevent vibration of a rudder of an aircraft and aircraft using this method A method for preventing vibration of a rudder of an aircraft may have, on a lateral aerodynamic surface of the aircraft's rudder, a protruding aerodynamic element capable of generating an aerodynamic effect tending to rotate the rudder about its articulation axis. A... | 03/04/2008 |
| 7270513 | Apparatus and method for generating power from moving water Apparatus for generating power from a water current in a body of water comprises a longitudinally extending flotation platform for maintaining the apparatus afloat in the body of water and a water turbine operatively carried by the platform for generating power in r... | 09/18/2007 |
| 7157872 | Ceiling fan with outer-rotor DC brushless motor A ceiling fan with an outer-rotor type DC brushless motor has a center base with multiple blades and a DC brushless motor as a driving source for the fan. The DC brushless motor includes a controller, magnetism sensors, a stator with stator windings and a rotor asse... | 01/02/2007 |
| 7101153 | Fabric fan blade and fan body trim The conventional fan blade is replaced by a frame over which any of a wide range of decorative fabrics or other similar materials is drawn and secured by a clamping method to form a lightweight fan blade of any surface design desired by the user. The decorative fabr... | 09/05/2006 |
| 7101237 | Propellor blade adjustment system for propulsion through fluid environments under changing conditions The stern end of a seawater hull has a rotor hub with propeller blades thereon. The rotor hub is rotated for propulsion of the hull by means of a propeller shaft extending through a sealed compartment within the hull. Such sealed compartment and an electrically powe... | 09/05/2006 |
| 7083383 | Segmented rotor blade trim tab A trim tab assembly for a helicopter rotor blade includes a plurality of metal panels that are secured to the trailing edge of a composite material helicopter blade. Each of the metal panels can be bent relative to the rotor blade to tune the aerodynamic properties ... | 08/01/2006 |
| 7077628 | Wind machine with independent fabric A wind machine comprises a plurality of fabrics that are removeably installed on a rotatable carrier. The carrier axis of rotation may be either horizontal or vertical. The carrier has pairs of first and second arms that support opposite ends of a fabric net. Side s... | 07/18/2006 |
| 7037074 | Lightweight, foldable, and replaceable fabric fan blades A ceiling fan assembly is provided having a frame defining a plurality of fan blades, a replaceable one-piece fabric covering attached to the frame, and a frame holder that supports and positions the frame and attaches it to a fan motor. The fabric covering may be u... | 05/02/2006 |
| 7011503 | Fan blade for allowing airflow with fan in failure condition A fan and a fan blade are provided for allowing airflow through the fan blade in a fan failure condition. The fan blade includes a peripheral member defining an opening. A flexible cover member is attached to the peripheral member for covering the fan blade opening ... | 03/14/2006 |
| 6957946 | Kaleidoscopic wind machine A kaleidoscopic wind machine for visual entertainment and other uses. The framework of the wind machine includes a vertical mast and a horizontal axle that can swivel about the mast. One or more wheel structures are rotatably attached to the horizontal axle. Each wh... | 10/25/2005 |
| 6942457 | Fan assembly and method Fans according to some embodiments of the present invention include a spider, a central hub coupled to the spider, and two or more fan blades. One or more fan design features can be employed (alone or in combination) in the fans of the present invention, including t... | 09/13/2005 |
| 6926491 | Vertical axis wind turbine with controlled gybing A device for generating electricity in which wind blowing from any direction causes the rotation of sails around a vertical tower. As the sails rotate the sails moving toward the wind are automatically feathered, and the sails moving away from the direction of the w... | 08/09/2005 |
| 6913435 | Integrated vane for use in wind or water and process for producing same In an integrated vane 1 for use in wind or water, main blades 3 arranged around an axial shaft 2 of the vane and support blades 4 for joining the main blades to the axial shaft are integrally formed with light and high strength fiber mate... | 07/05/2005 |
| 6811377 | Ceiling fan blade A ceiling fan blade comprises a cloth blade, a plurality of springs and an arctuated frame. The arctuated frame is provided with a protrusive shaft for cooperating with the springs. The cloth blade forms an inclined angle for pushing air. Meanwhile, by taking advant... | 11/02/2004 |
| 6758654 | Advertising ceiling fan An advertising ceiling fan includes a motor seat, a plurality of blade support brackets, and a plurality of support tubes. Each of the blade support brackets is secured with a sleeve having two through holes. Each of the support tubes has one end formed with two pos... | 07/06/2004 |
| 6669444 | Fan or propeller, with shape memory A propeller or fan, in particular a cooling fan, such as for the radiator of a motor vehicle or electric equipment, for civil or industrial plants, comprising shape-memory actuator means to regulate the direction and/or shape of the blades, for example ac... | 12/30/2003 |
| 6402472 | Sail-type windmill wheel A sail-type windmill wheel is provided in which the area of the wheel facing into the wind is adjusted by an automatic variation of the blade angle of the sails. The wind wheel comprises a hub (22) with a plurality of radially extending spars (18), substa... | 06/11/2002 |
| 6015263 | Fluid moving device and associated method A fluid moving device (100) includes a rotatable assembly (101), and a plurality of fan blades (102-04) disposed circumferentially around and extending outward from rotatable assembly (101), at least one of plurality of fan blades (102-04) includes shape ... | 01/18/2000 |
| 5993158 | Method and apparatus for aeration using flexible blade impeller An impeller having flexible impeller blades with a stiffness which allows the blades to flex into a backward-curved impeller configuration at the maximum intended rotational speed of operation, and to return to a more radial blade configuration at lower r... | 11/30/1999 |
| 5931639 | Helicopter blade assembly adapted to permit rapid forward flight A helicopter blade assembly for permitting rapid forward flight in a helicopter having separate means for providing a forward impetus. The assembly has a set of rotatable blades attached to a substantially vertical mast. These blades slope downward near t... | 08/03/1999 |
| 5879131 | Main rotor system for model helicopters A main rotor is provided for use on a model helicopter. The main rotor includes rotor blades having an inboard section and an outboard section. The inboard section includes a higher camber, thin, wide airfoils, and greater pitch and camber relative to the... | 03/09/1999 |
| 5868152 | Rotating patio umbrella fan A rotating umbrella includes a canopy which serves a fan. The umbrella canopy is formed by a plurality of segmented petals extending radially outwardly in a fan-like fashion, and connected to a hub mounted on a shaft. The shaft includes a drive shaft memb... | 02/09/1999 |
| 5765582 | Table umbrella apparatus A table umbrella apparatus including a tubular support member, a hub rotatably mounted at an end of the tubular support member, a fan extending radially outwardly of the hub so as to be in the form of a table umbrella, and a motor connected to the hub for... | 06/16/1998 |
| 5727980 | Decorative wind device A decorative wind device that rotates about a central point. The axis of rotation can vary depending upon several factors including the direction of the wind and the speed or intensity of the wind. The device includes multiple strips of flexible, lightwei... | 03/17/1998 |
| 5584656 | Flexible impeller for a vacuum cleaner A fan for a vacuum cleaner has a fan housing, motor and impeller. The fan housing has an inlet and outlet. The impeller has a hub and multiple flexible blades. This flexible blade fan provides better air performance, less noise, better durability, and eas... | 12/17/1996 |
| 5570997 | Horizontal windmill with folding blades Windmill (10) having a plurality of hydrodynamic, folding blades (12, 14, 16 and 18) secured to a hub (64). The blades are propelled by wind current such that the windmill rotates about a central axis of a shaft (20) on which a hub (64) is journalled. Eac... | 11/05/1996 |
| 5462407 | Ceiling fan blade and hub assembly A ceiling fan blade assembly which includes an annular hub structured for fixed securement to a fan motor for rotation therewith, and a pair of blade frames extending radially outwardly from opposite sides of the hub. The hub includes a base and a sidewal... | 10/31/1995 |
| 5338156 | Ceiling fan blade An improved blade for a ceiling fan including a blade frame and a blade plate, wherein the blade frame is a hollow circular frame composed of a male member and a female member engaged therewith. The blade members are made from injection molded plastic, an... | 08/16/1994 |
| 5226805 | Windmill having blades which alter their pitch angles automatically in response to both wind speed and load A windmill includes a hub assembly (13) connected to a shaft (3) and having a plurality of blades (6) extending therefrom. Each blade comprises an inner section (6a) hingeably connected to a hub member (14) along a first axis (8) and an outer section (6b)... | 07/13/1993 |
| 5131805 | Dual axis fluid current motor Apparatus and method for harnessing fluid energy from a fluid current and converting it into mechanical energy. The invention comprises a big wheel and a little wheel where the little wheel rotates about on axis parallel to but offset from an axis about w... | 07/21/1992 |
| 5110261 | Fan blade A ceiling fan blade is provided having a generally rigid unitary frame, with three areas for secure attachment to a conventional blade iron providing three points of attachment. A flexible, weather-resistant cover is removably secured to the frame by hook... | 05/05/1992 |
| 4746271 | Synthetic fan blade The invention pertains to a fan blade and a method for making a fan blade wherein the stresses within the blade material are substantially constant throughout the length of the blade and the unique construction of the blade reduces the concentration of lo... | 05/24/1988 |
| 4596367 | Horizontal wind/water wheel with vertical lift a superior protype model A rotary fluid propelled device employing a natural theory of constriction and controlled redistribution to convert fluid flow to rotary mechanical energy. Two conical shell-shaped compartments opposite each other are connected by a midaxis transfer band ... | 06/24/1986 |
| 4547126 | Fan impeller with flexible blades A fan mechanism with a fan impeller having flexible blades is shown. The fan impeller is used on a rotatable shaft which includes at least one piece of flexible belting and a plurality of elongate members carried about the shaft parallel to the longitudin... | 10/15/1985 |
| 4445817 | Propeller construction A propeller formed from pliable sheet material with each blade being of looped configuration in plan view. An end segment of each blade is turned inwardly and attached to an inner segment of an adjacent blade at a point offset from the propeller hub porti... | 05/01/1984 |
| 4347038 | Flexible blade fan A cooling fan for a powered vehicle, adapted for automotive use, and having a hub and a plurality of radial fan blades made integral therewith of synthetic resin material, the fan blade being characterized by provision of a transverse cross section throug... | 08/31/1982 |
| 4319866 | Fan A fan blade assembly having a spider shaped or formed from rod, wire or bar stock.... | 03/16/1982 |
