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8172537 |
Extruded stator blade, stator with extruded blade, and method of forming a stator assembly with extruded blades
The present invention broadly comprises a stator blade assembly for a torque converter stator including an inner ring having first openings; an outer ring having second openings; and extruded...
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8133009 |
Centrifugal fan
An impeller device (10) for centrifugal fans (1), having comprising a center wheel (40), at least one side disc (20, 30) and fan blades (50). The center wheel (40) and the side disc(s) (20, 30) are...
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8128371 |
Method and apparatus to facilitate increasing turbine rotor efficiency
A method facilitates assembling a turbine. The method includes coupling buckets to a turbine wheel. The method also includes coupling a first end of a cover plate to the turbine wheel such that at...
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8033787 |
Canopy cover for a ceiling fan
A ceiling fan (12) is suspended from a mounting bracket (40) by a down rod (32) and a canopy (42) is provided for concealing the mounting bracket (40). The canopy (42) has a lower end (52) with...
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7993103 |
Wind turbine blades and methods of attaching such blades to a hub
A wind turbine blade assembly is provided. The assembly includes at least one wind turbine blade. The blade includes a blade root portion. The assembly also includes at least one blade root hub...
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7878764 |
Adjustable fan and method
An adjustable fan includes a hub having a receiving surface and a fan blade having a base abutting the receiving surface of the hub. A plurality of keyways may be positioned in at least one of the...
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7837444 |
Vane arrangement and a method of making vane arrangement
Within gas turbine engines 10 it is necessary to provide fixed vanes which comprise an aerofoil in the gas flow through the gas turbine engine 10. These vanes are subject to significant stressing....
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7793586 |
Removable blower for convection oven
An convection oven with a removable blower wheel system is provided. The oven includes motor with a corresponding motor shaft, a first hub engageable with the motor shaft, a blower wheel, and a...
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7780418 |
Quick assembly blade for a ceiling fan
A quick assembly blade for a ceiling fan includes a blade frame, a blade and a clamping member. The blade frame is fixed therein with at least three studs spaced apart equidistantly for a fastener...
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7771172 |
Quick assembly blade for a ceiling fan (4)
A quick assembly blade for a ceiling fan includes a blade frame, one stop member, a blade and a press board. The blade frame has a pan-shaped body fixed with three projecting bases protruding...
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7762782 |
Quick assembly blade for a ceiling fan (2)
A quick assembly blade for a ceiling fan includes a blade frame, a blade and a press board. The blade frame has at least three studs respectively secured thereon with a fastener to be fitted in the...
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7462014 |
Axial flow fan with multiple segment blades
An axial flow fan with a plurality of segment blades is described. The axial flow fan has a base, a hub and a plurality of blade units. The hub is mounted on, or pivots on, the base and supports...
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7402025 |
Fan blade assembly
A fan blade assembly includes a fan blade and a blade iron. The proximal end of the blade iron is configured for securement to a conventional, commercially available fan motor. An openwork defines...
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7351037 |
Y-connect fastener for ceiling fan blades
A Y-connect fastener (210) is provided for firmly fastening ceiling fan blades (26) to mounting brackets (20). A plurality of protuberant members (32) extend upwardly from the mounting brackets...
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7264448 |
Remotely accessible locking system for turbine blades
Embodiments of the invention relate to an axial locking system for a row of blades in a turbine engine. While achieving the desired axial restraint, the system is configured to allow remote...
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7223078 |
Rotary plate fastener for ceiling fan blades
A rotary plate fastener (24) is provided for firmly fastening ceiling fan blades (26) to mounting brackets (20). A plurality of protuberant members (32) extend upwardly from the mounting brackets...
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7134843 |
Turbine wheel for turbomachine and the assembly method for such a wheel
A turbine wheel for a turbomachine, the disk of which comprises upstream and downstream ribs extending in the annular direction around an axis, each blade segment installed on the disk being...
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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...
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7056092 |
Modular propeller
A modular propeller comprises a center hub with an integrated front cap and an aluminum core encapsulated with fiber-reinforced composite polymer resin. A set of replaceable blades have bases that...
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6945753 |
Smoke exhauster having improved fan device
A smoke exhauster includes a motor attached to a housing, and a fan device attached to the motor and to be driven by the motor. The fan device including an upper plate, a lower plate having a bore,...
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6932576 |
Quick connect ceiling fan blade
A ceiling fan (10) is disclosed having a motor housing (11) with an electric motor to which is mounted an annular array of blade irons (14) each having a blade (15) mounted thereto. Each blade has...
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6884037 |
Impeller assembly
An impeller assembly includes an impeller which has a pair of plate means adapted for individual connection to a drive shaft for rotation by the drive shaft about an axis, and vane means disposed...
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6866480 |
Centrifugal fan
A centrifugal fan with single or double intake is provided with a fan impeller of a closed type which is formed of a rotating bladed wheel having at least a covering element. Blades of the fan...
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6857854 |
Quick connect blade system
A ceiling fan quick connect blade system (10) is disclosed which is coupled to a conventional ceiling fan electric motor (11) having a lower portion (12). The motor lower portion has an annular...
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6840739 |
Ceiling fan
A ceiling fan (10) is provided having a motor (12), a motor housing (13), fan blades (14), and blade irons (16) coupled to the motor and blades. Each blade iron includes a mounting arm (18), a...
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6821091 |
Securing device
A securing device for securing a connecting arm to a ceiling fan blade. The blade includes a hole through which a male member of the arm is inserted. The securing device includes a plate having an...
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6644924 |
Covers for turbine buckets and methods of assembly
A bucket cover includes circumferentially disposed arcuate cover segments each having discrete arcuate inner, intermediate and outer cover elements for spanning the tips of a plurality of turbine...
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6634784 |
Mixing impeller device and method
An impeller assembly is mountable onto a rotatable shaft that has a flange extending radially from the shaft and rotating with the shaft. The impeller has at least one blade pair member having two...
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6592328 |
Method and apparatus for adjusting the pitch of a fan blade
A variable pitch fan blade assembly includes a hub, a pitch-adjusting assembly, a fan blade, and an actuator. The pitch-adjusting assembly includes a first element rotatable on a first axis and a...
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6530748 |
Enhanced fan and fan drive assembly
A fan drive assembly including a cooling fan (11) and a fluid coupling device (13). The cooling fan includes a fan hub (17), a spider (15), and a plurality of fan blades (19). The coupling device...
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6508627 |
Airfoil blade and method for its manufacture
This centrifugal blower fan wheel has extruded-aluminum airfoil blades. The preferred blades have two hollow regions, separated by an angled mid-load support beam, inside the blade. The nose...
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6506019 |
Boat propeller capable of being easily changed in pitch thereof
A boat propeller comprises a hub formed of a front cylindrical member and a rear cylindrical member. The hub is provided in the joining place with a plurality of receiving cavities which are...
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6413052 |
Anti-fretting washer for flange joints
Fretting problems between clamped parts as, for example, flanges and aircraft power trains, is substantially eliminated through the use of a shim placed between the clamped flanges and which is...
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6390777 |
Quick-connect fan blade mounting assembly
An assembly for quickly and easily mounting fan blades to a ceiling fan. The assembly includes a plurality of blade holders and a quick-connect mount. Each blade holder includes a coupling tongue...
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6386831 |
Fan wheel
The invention relates to a fan wheel for a turbo charger. The fan wheel (1) is comprised of a base body with a central axis of rotation (5) wherein the base body is assembled of two cover discs (2,...
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6368062 |
Turbo fan for range hood and range hood storing turbo fan
The spring-back state of the blade press formed from the metallic thin plate is restricted to form the blade of wing sectional shape strictly in accordance with the design. The blade is formed into...
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6250885 |
Blade mounting assembly for a ceiling fan
A blade mounting assembly for a ceiling fan has a plurality of blades and a ceiling fan motor with a motor body that rotates about a motor shaft. A fan housing/blade mounting assembly secures the...
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6250886 |
Axial flow fan and fan blade
The present invention provides an axial flow fan and fan blade. A true tapered, twisted airfoil section is constructed by cutting a flat piece of light alloy to a unique shape to obtain a flat...
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6247894 |
Ceiling fan with integral up-light
A ceiling fan includes a motor including a stator having an upper portion and a rotor having a lower portion, the rotor being rotatable with respect to the stator. A plurality of blade holders each...
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6210114 |
Cross flow fan for air conditioner
A cross flow fan for an air conditioner constructed to allow a plurality of horizontally and sequentially arranged blades to be partitioned, each distanced by a predetermined space, by a plurality...
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6171060 |
Ceiling fan hub and lighting assembly
A ceiling fan has a downrod assembly secured at an upper end to a ceiling bracket assembly and secured at a lower end to the motor shaft of a motor. An upper canopy is disposed at an upper end of...
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6113352 |
Hingeless rotor with precompressed half-bearings supporting blade root oversleeves on torsionable blade root strips
Each blade of the rotor has a rigid root oversleeve connected to a torsionable and flexible root strip by two laminated, spherical support half bearings, fixed by their outer frame with double...
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6095753 |
Structure for mounting blades of a ceiling fan
An improvement in the structure for mounting blades of a ceiling fan, characterized in that a motor comprises a bottom formed with a plurality of brackets each having a recess, the recess having an...
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6039540 |
Fan blade assembly of a ceiling fan
A fan blade assembly includes a mounting arm with a mounting end formed with a plurality of engaging posts. A blade member has a plurality of mounting holes, each having a larger bore portion and a...
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5927945 |
Assembling device for blade of hanging fan
An assembling device for the blade of the hanging fan which comprises a ring body arranged on the bottom of the motor unit and having a plurality of dovetail grooves on rim thereof, and blade base...
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5590467 |
Method of making a blast wheel
The bolt-together wheel consists of a pair of side plates separated from one another by cylindrical spacers. The spacers are connected to the side plates by shearable bolts where the head of the...
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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...
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5545011 |
Angle adjustable vane suspension
A vane suspension for angle adjustable mounting of a vane (6) in a hub (1), comprising a seat (3) in the hub and a mounting part on the vane (6). The mounting part on the vane comprises a stud (16)...
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5520515 |
Variable pitch propeller having locking insert
A variable pitch propeller has a two part hub assembly, each part of the hub has generally semi-cylindrical half sockets formed therein for receiving the cylindrical blade root shanks of individual...
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5486094 |
Ceiling fan blade mounting bracket and support arms providing two fan blade support points
A method and apparatus are provided for mounting fan blades to a ceiling fan with a mounting bracket and support arms which support each of the fan blades at two separate points. The mounting...
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