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| Number | Title | Issue Date |
| 8137070 | Skewed axial fan assembly A free-tipped axial fan assembly has a skew distribution which reduces fan noise while minimizing radial tip deflection. The difference between the maximum value of leading-edge skew and the value of leading-edge skew at the fan radius is at least 10 degrees. The ra... | 03/20/2012 |
| 8057186 | Shape for a turbine bucket tip shroud A turbine bucket that may include an airfoil having a tip shroud, the tip shroud having an edge; wherein the edge has a profile substantially in accordance with values of X and Y in a Cartesian coordinate system set forth in Table 1 at points 1-14, wherein X and Y r... | 11/15/2011 |
| 8043061 | Turbine bucket tip shroud edge profile A turbine bucket includes a bucket airfoil having a tip shroud with a leading edge comprising two scalloped faces and a trailing edge comprising a third scalloped face defining leading and trailing edge profiles substantially in accordance with Cartesian coordinate ... | 10/25/2011 |
| 7976280 | Turbine bucket shroud internal core profile A turbine bucket including a bucket airfoil having a hollow tip shroud, the hollow tip shroud having a hollow core having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I, in inches, wherein the shape ... | 07/12/2011 |
| 7887295 | Z-Notch shape for a turbine blade In one embodiment, a turbine bucket includes: a tip shroud with a front edge and a following edge, the front edge and the following edge including a Z-Notch profile according to the Cartesian coordinate values of X, Y and Z set forth in Table I; wherein the coordina... | 02/15/2011 |
| 7753652 | Aero-mixing of rotating blade structures An array of blades for use in a turbomachine is provided comprising a plurality of blades mounted to a rotor disk. A plurality of first blades form a first set of blades and a plurality of second blades form a second set of blades. A blade-to-blade flow field define... | 07/13/2010 |
| 7628587 | Gas turbine blade shroud A gas turbine blade shroud includes a platform and one or more fins extending toward a stator and side rails that extend radially toward the stator and along the edge of the platform. The increased wall thickness in the side regions of the blade shroud effects an in... | 12/08/2009 |
| 7585155 | Axial flow fan Blades mounted on a circumferential outer surface of a hub of an axial flow fan do not deform even when rotated at high speed, thus promoting structural stability. The direction of the sweeping angle of each blade alternately changes between the blade root and tip. ... | 09/08/2009 |
| 7438522 | Fan A fan has an air conveying conduit (16) and a fan wheel (22) arranged therein, which wheel is rotatable about a central axis (25) and is formed with a central hub (20; 120) having an outer periphery (27) on which fan blades (26 | 10/21/2008 |
| 7399162 | Wind turbine A fluid turbine, such as a wind or hydro turbine, for generating electrical power, the turbine having a rotor assembly comprising a hub, a rim and a plurality of tensioned cable members joining them together, the cable members being grouped into sets to define a plu... | 07/15/2008 |
| 7393181 | Expandable impeller pump An impeller according to an example of the present invention comprises a hub, and at least one blade supported by the hub. The impeller has a deployed configuration in which the blade extends away from the hub, and a stored configuration in which the impeller is rad... | 07/01/2008 |
| 7392893 | Power unit cooling device A centrifugal fan is mounted to an inner plate of a centrifugal clutch as a heat-generating rotating device, and an intake port of a casing is formed near a front side in the axial direction of the centrifugal fan. The centrifugal fan includes a base plate connected... | 07/01/2008 |
| 7377751 | Cooling fan and shroud with modified profiles A cooling system includes a cooling fan with an outlet and an inlet and a shroud surrounding at least a portion of the cooling fan. The cooling fan includes a plurality of fan blades, and each fan blade includes an inlet portion and an outlet portion that define an ... | 05/27/2008 |
| 7356972 | Deck board tie connector, connection and method A method of forming a connection, and a connector, that attaches a supported member, such as a deck board, to a supporting member, such as a deck joist. In some forms, each connector attaches a single supported member. In others, the connector attaches two supported... | 04/15/2008 |
| 7331759 | Drying fan A drying fan, including for water damage restoration, including for drying a room corner extending axially along an interface between a wall and a floor, has a shrouded housing having an axial flow path therethrough, an intake cowling receiving intake air, and an ex... | 02/19/2008 |
| 7318394 | Mount for connecting automotive fan motor to housing The motor of an automotive cooling fan system is attached to a housing by either bayonet mount, screw mount, or axial-snap features on both motor and housing, as well as a cradle structure on the housing. ... | 01/15/2008 |
| 7309207 | Fan shroud structure reinforcement to reduce or eliminate warping and distortion A fan shroud structure (10) is constructed and arranged to carry a fan and motor. The fan shroud structure includes a base (12) and an annular rim (24) extending from the base. The rim defines a generally central opening (26) sized to acc... | 12/18/2007 |
| 7284957 | Composite integrally bladed rotor The present invention relates to an integrally bladed rotor for use in a gas turbine engine. The integrally bladed rotor comprises a plurality of pairs of airfoil blades. Each pair of blades has a spar which extends from a first tip of a first one of the airfoil bla... | 10/23/2007 |
| 7280087 | Multiple browser interface The present invention provides a display controller driving multiple browser displays, which are associated with user input devices. Preferably, the display controller runs a browser application for each display and receives input from each user input device. Primar... | 10/09/2007 |
| 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 |
| 7244103 | Windmill rotor comprising multiple separate wind channels Round honeycomb rotor for wind generators and most propellers has bent tubular trapezoids, two or more concentric tubular cylinders and a variable number of round bent tubular trapezoids. Both cylinders and trapezoids form modular trapezoidal tubes, which have large... | 07/17/2007 |
| 7238004 | Serial fan with a plurality of rotor vanes A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving the at least one motor. The plurality of rotor vanes are arranged in ... | 07/03/2007 |
| 7222497 | Ice maker having fan assembly and fan assembly control method The present invention relates to an ice maker having a fan assembly. The ice maker 30 of the present invention comprises a main body 40 and a fan assembly 60 mounted to the main body 40 by means of resilient mounting hooks. A housing 6... | 05/29/2007 |
| 7222422 | Method for refurbishing surfaces subjected to high compression contact A process for refurbishing a worn surface of a shroud support component of a turbomachine, as well as a shroud support component refurbished with the process. The process generally entails removing a surface region of the worn surface so as to define a repair surfac... | 05/29/2007 |
| 7220102 | Guide blade of axial-flow fan shroud Guide blades of an axial flow fan shroud for guiding the air blown by an axial flow fan in an axial direction. A guide blade of an axial flow fan shroud has a leading edge for introducing the air blown by an axial flow fan including a plurality of blades; a trailing... | 05/22/2007 |
| 7210910 | Enhancements to high efficiency ceiling fan Twisted ceiling fan blades for low, medium and high speed operation of less than approximately 250 rpm. The novel blades twisted blades can be configured for 60″ and 64″ diameter fans, and have less blades (3 for example) than conventional flat type bladed fans ... | 05/01/2007 |
| 7204676 | Fan blade curvature distribution for high core pressure ratio fan A method for reducing vortex promotion of a rotor blade used in high core PR fans comprises shifting a curvature distribution of a blade section immediately adjacent to the hub such that a major turning of the suction side of the section is located near a trailing e... | 04/17/2007 |
| 7192253 | Method for producing a fan wheel and fan wheel produced by this method A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) pro... | 03/20/2007 |
| 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 |
| 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 |
| 7182572 | Impeller assembly An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and eac... | 02/27/2007 |
| 7156615 | Fan shroud structure for reducing resonance, improving stiffness and manufacturability A fan shroud structure 10 is constructed and arranged to carry a fan. The fan shroud structure includes a body 12 having a periphery, a main surface, and an annular rim 26 defining a generally central opening 28. The opening 28 is ... | 01/02/2007 |
| 7144221 | Method and apparatus for assembling gas turbine engines A method for assembling a fan assembly for a gas turbine engine includes coupling a plurality of fan blades in a row to a rotor disk, wherein each fan blade includes an airfoil having a first sidewall and a second sidewall connected together at a leading edge and a ... | 12/05/2006 |
| 7137439 | Tank-integrated shroud, and method and jig for manufacturing the same In a tank-integrated shroud, a shroud body has an air guiding wall having a first surface along which air flows and a second surface opposite to the first surface. The air guiding wall has a looped projection on the second surface. The looped projection forms a rece... | 11/21/2006 |
| 7136285 | Wave-fans and wave-fans with heat sinks A wave-fan comprises a wavy surface, generally sinusoidal in the direction of rotation, which rotates in close proximity to the fins of a heat sink. The wave-plane fan is suitable for use with a flat heat sink, and a wave-ring fan is suitable for use with a cylindri... | 11/14/2006 |
| 7118344 | Wind power plant for generating energy A wind power system (1) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft (2) and is provided with blades (3), as well as a guide device (5) which accelerates the air flow t... | 10/10/2006 |
| 7114921 | Fan and blower unit having the same A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with radial outside edges of the blades. The ring member has an axial dimension smaller than an axial dimensio... | 10/03/2006 |
| 7094023 | Shroud honeycomb cutter A turbine blade for use in a gas turbine engine is provided. The turbine blade includes an airfoil portion having a tip end, a shroud attached to the tip end, which shroud has an outer surface, and a knife edge attached to an outer surface of the shroud. The knife e... | 08/22/2006 |
| 7086825 | Fan A fan is provided for use with a casing having a bellmouth and a conduit portion. The fan has a hub, a number of blades extending from the hub, and a shroud. In cooperation with the casing and the conduit portion surrounding the shroud, the shroud has means for gene... | 08/08/2006 |
| 7083387 | Axial flow fan An axial flow fan. The axial flow fan includes an impeller, an annular structure, and a plurality of connecting elements. The impeller has a plurality of blades, arranged radially. Each blade has an outer periphery. The outer periphery has a top portion. The annular... | 08/01/2006 |
