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| Number | Title | Issue Date |
| 7914260 | Fan blade mounting system A ceiling fan (50) is disclosed having a motor housing (51) which encases an electric motor (53). The motor includes a bottom mounting plate (54) that rotates and thereby drives an annular array of blade irons (56), each having a b... | 03/29/2011 |
| 7845910 | Propeller blade retention system with tapered roller bearing cartridge assemblies A propeller blade mounted with a preload adjacent a propeller blade root retention which increases the moment capacity of the retention for a given pitch diameter, yet permits pitching of the propeller blade about a blade axis in response to a propeller pitch change... | 12/07/2010 |
| 7665970 | Fan blade mounting system A ceiling fan (10) is disclosed having a motor housing (11) which encases an electric motor (13). The motor includes a bottom mounting plate (14) that rotates and thereby drives an annular array of blade irons (16), each having a b... | 02/23/2010 |
| 7500831 | Self balancing fan A fan (10) is disclosed having an electric motor (13) which rotatably drives an annular array of blade irons (14) each having a blade (15) mounted thereto. Each blade iron has a motor mounting portion (21) configured to be coupled ... | 03/10/2009 |
| 7422419 | Propeller blade retention system A propeller blade mounted with a preload adjacent a propeller blade root retention that increases the moment capacity of the retention for a given pitch diameter, yet permits pitching of the propeller blade about a blade axis in response to a propeller pitch change ... | 09/09/2008 |
| 7351034 | Impeller device for data acquisition in a flow This invention relates to an impeller device for data acquisition in a flow. It comprises a support (3) with two bearing blocks (4.1, 4.2) to hold a spindle (2) around which the impeller (1) is fitted. The spindle (2) comprises two... | 04/01/2008 |
| 7316540 | Rotatable pivot mount for fans and other appliances A pivot assembly that can be used with various appliances. The pivot assembly provides up to three degrees of freedom when positioning the appliance. The pivot may be used, for example, with a fan that is mounted on a base such that direction of the airflow generate... | 01/08/2008 |
| 7281899 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 10/16/2007 |
| 7240682 | Washing fluid pump The invention concerns a washing fluid pump (1) for windows and/or headlamp cleaning installations on motor vehicles including at least one motor, at least one pump housing (2) with at least one impeller (11) arranged therein, at least one intak... | 07/10/2007 |
| 7192255 | Device for mounting blades on a propeller hub with preloading of the bearings This device for mounting a propeller blade in a hub, of the type in which a blade base is mounted in rotation in a hub housing by means of at least two bearings and where a preloading device permitting axially preloading the two bearings comprises a holding ring mou... | 03/20/2007 |
| 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 |
| 7086831 | Vane mounting A vane mounting arrangement 21, 31 is provided in which a vane 22, 32 is secured through a mounting end 23, 33 within an aperture 25, 35 formed in a mounting platform 24, 34. An expandable or expansive member 26, 36 is locat... | 08/08/2006 |
| 7063125 | Fan penetration feature for in-vehicle testing A fan penetration fixture consisting of a threaded shaft and a lock nut design. The fixture is designed to take the place of the fan clutch on a fan drive assembly in the vehicle being tested for a desired cooling system performance characteristic at each possible f... | 06/20/2006 |
| 7001293 | Continuously variable transmission (CVT) assembly and method of axially positioning pulley members of a CVT A continuously variable transmission (CVT) assembly includes first and second pulley pairs having a drive belt extended therebetween. A transmission case cover includes a threaded aperture. A threaded sleeve and bearing assembly is positioned on a stationary pulley ... | 02/21/2006 |
| 6997680 | Home comfort device The present invention is a space saving home comfort device comprising a housing and an air generator. A support member has a predetermined length and a base member has a maximum width dimension BB. A predetermined rise height R provides support and elevation to the... | 02/14/2006 |
| 6991378 | Device for improving the lubrication of bearings, particularly in wind turbines For a bearing mounted between two concentric races rotating relative to each other, and forming an annular gap that accommodates the bearing and is closed by seals, at least one grease tube is provided between the periphery of one of the two races and the annular ga... | 01/31/2006 |
| 6955524 | Necklace fan A personal fan has a stable mounting base with a bottom surface adapted to lie against the chest of a wearer and a top surface. The stable mounting base is in the form of a weighted shallow robust body having a length and breadth substantially greater than its thick... | 10/18/2005 |
| 6942461 | Rotor blade hub The present invention concerns a rotor blade hub for a wind power installation. Such a hub represents a mechanical connection between the (horizontal) rotor shaft (rotor spindle) and the rotor blades. This means that all forces which occur at the rotor blades, insof... | 09/13/2005 |
| 6923615 | Wind driven power generator A wind driven power generator is designed for mobile applications and locates the generator in a power housing at the base of the unit on an adjustable mounting arrangement. A lightweight high strength hollow column is supported in the power housing and supports a w... | 08/02/2005 |
| 6921250 | Engine cooling fan with electromagnetic clutch Apparatus for conveying air to radiators of motor vehicles and the like having a fan (10) having a plurality of blades (12) each radially mounted its own coupling device (31) on a central body (11) and able to be rotationally actuated abo... | 07/26/2005 |
| 6905311 | Fan blade assembly A fan blade assembly (24) comprises a fan rotor (28) and a plurality of radially extending fan blades (30). The periphery (38) of the fan rotor (28) has a plurality of axially extending slots (40). Each of the fan blades ( | 06/14/2005 |
| 6863498 | Blade spreading assembly for quick ceiling fan installation A blade spreading assembly for quick ceiling fan installation is disclosed. The blade spreadingassembly comprises a fan rotor bracket attached to the fan rotor and operatively coupled to an arm which connects to fan blade. The assembly allows the attached fan blade ... | 03/08/2005 |
| 6799947 | Bearing for an adjustable rotor blade on a wind energy plant The mounting of an adjustable rotor blade on the rotor hub of a wind power installation has as an adjusting drive pivot bearing, a rolling bearing for the transmission of high axial forces and great flexural moments in the event of slight relative movements between ... | 10/05/2004 |
| 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 |
| 6663343 | Impeller mounting system and method An article, such as an impeller, is mounted for torque transmission by a shaft by positioning the article in contact with a threaded collar engaging tapered threads on the shaft and applying an axial force to the article to move and tighten the threaded c... | 12/16/2003 |
| 6565319 | Fan having stable pre-loading device A fan having stable pre-loading device includes a stator, at least one bearing, a rotor having a blade structure, a shaft and a rigid spacer. Among these, the bearing is formed in the space of the stator. One terminal of the shaft is coupled to the stator... | 05/20/2003 |
| 6565316 | Adjustable and stable pre-loading device equipped fan An adjustable and stable pre-loading device equipped fan includes a stator, a first rigid spacer, a first bearing, an elastic device, a second bearing, a second rigid spacer, a rotor and a shaft. Among these, the stator includes a receptacle. The first be... | 05/20/2003 |
| 6481233 | High-performance molded fan In one embodiment, the present invention provides a high performance molded, substantially non-metallic fan capable of producing at least about 20 cubic feet per minute ("CFM") per input watt at a static pressure of about 0.00 inches of water. In one embo... | 11/19/2002 |
| 6431834 | Multi-connection, stable fan blade attachment mount An apparatus for mounting ceiling fan blades onto ceiling fan blade mounting ring rotor extension. The fan blade attachment mount is can be adapted to fit a multitude of fan rotors configurations. The appearance of the mounting and support members is aest... | 08/13/2002 |
| 6382918 | Blade bracket mounting system for ceiling fan A blade bracket mounting system for a ceiling fan includes a support base having a plurality of locking portions each having three locking slots each having a first end defining a wide portion and a second end defining a narrow portion, a plurality of bla... | 05/07/2002 |
| 6364610 | Manually adjustable variable-pitch boat propeller A variable-pitch boat propeller has a hub rotatable about a hub axis, a plurality of vanes rotatable on the hub and extending generally radially of the hub axis, and an adjustment element rotatable on the hub about the hub axis and connected to the vanes ... | 04/02/2002 |
| 6352411 | Quick install blade arms for ceiling fans Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the ceiling fan motor. The user raises the mounting arm so th... | 03/05/2002 |
| 6312223 | Marine propeller A marine propeller includes a hub defining an axial direction of the propeller, a plurality of adjustable propeller blades disposed around the hub, and a blade setting adjusting arrangement. Each blade includes a blade-part and a root-part, the root-part ... | 11/06/2001 |
| 6261064 | Combination of ceiling fan bracket and motor casing A ceiling fan bracket has a first end connected to a ceiling fan blade and a second end of the ceiling fan bracket has two L-shaped wings. A connector is connected to the second end of the ceiling fan bracket and has two tongues. A motor casing has a plur... | 07/17/2001 |
| 6220820 | Bearing preload A bearing arrangement, for example, for a variable pitch propeller, has a fluid operated actuator (42, 34, 40) for causing relative movement between bearing surfaces of races (12, 32) so as to preload bearings (30) held there between. Mechanical locking m... | 04/24/2001 |
| 6213719 | Bar wedge preload apparatus for a propeller blade A composite propeller blade and hub attachment assembly is disclosed. The assembly includes a blade root having a first connecting member and a hub arm having a second connecting member. The first connecting member meshingly engages the second connecting ... | 04/10/2001 |
| 6190126 | Fan impeller assembly for cooling systems of internal combustion engines A fan impeller assembly of simple construction which is intended, in particular, for use in cooling systems of internal combustion engines and can be used there inter alia as a cleaning blower for clearing the radiator and/or corresponding air inlet openi... | 02/20/2001 |
| 6149163 | Ring seal assembly The sealing ring seals between relatively rotating and vibrating machine parts such as parts of an aircraft propeller, and has several sealing lands. The shape and configuration of the lands are selected so that natural vibration frequencies of the ring o... | 11/21/2000 |
| 6071076 | Actuation system for a gas turbine rotor blade An actuation system which includes apparatus for transferring control signals for varying the blade pitch from a non-rotating member to a rotating member of a gas turbine engine is described. In one embodiment, the engine includes a main disk containing a... | 06/06/2000 |
| 6059531 | Impeller and fan blade attachment assembly In a fan including a hub mounted for rotation and a plurality of fan blades, an attachment assembly for detachably engaging at least one of the plurality of fan blades with the hub, the attachment assembly comprising a stop carried adjacent an end of a se... | 05/09/2000 |
