Matches 1 - 50 out of 141 1 2 3 >
Match Document Document Title
7585154 Centrifugal fan and impeller thereof  
An impeller applied to a centrifugal fan includes a base plate, a hub and a plurality of first blades. The hub is connected to the base plate and the first blades are disposed on the base plate...
7481616 Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism  
In a centrifugal fan the diameter of the impeller is rendered less than 20 mm, yet by rotating it under rotational conditions in which the centrifugal force along the impeller periphery is 10,000...
7422418 Cross flow fan  
A cross flow fan of an indoor unit of, for example, an air conditioner includes a pair of disc-shaped end plates and a plurality of fan blades attached to the end plates in a ring-shaped...
7419358 Method and device for compensation of the thermal expansion of a cellular wheel sluice rotors  
A cellular wheel sluice for the feeding of hot bulk material with stabilization of the radial play between the web ends of the cellular wheel and the wall of the housing borehole by means of the...
7387496 Fan assembly and impeller thereof  
A fan assembly and impeller thereof. The fan assembly includes a plurality of blades and a hub. The hub includes an upper surface and a center point. The blades have bottom portions arranged in a...
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...
7195457 Motor-operated fan for air cushion table  
A motor-operated fan includes a housing, a motor secured in the housing, and an impeller rotatably mounted on the housing and rotated by the motor. Thus, the impeller has a plurality of blades and...
7192254 Radial fan having axial fan blade configuration  
The present invention is a radial fan having an axial fan blade configuration. The present invention comprises a hub; a first set of blades around the hub; and a second set of blades on the...
7165942 Fan impeller with integrated grease separation, especially for cooking appliance  
The disclosure relates to a fan impeller including a base plate and a plurality of fan impeller blades fixed to the plate. The fan impeller blades are positioned in an essentially vertical manner...
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,...
6942459 Modified centrifugal fan wheel  
The modified centrifugal fan wheel comprises a hollow hub and a set of blade. A hollow hub axis is disposed at the center of a hollow portion of the hollow hub. Along a top side surface of the...
6866481 Ventilator having an optimum fan structure  
A ventilator fan structure includes a disk-shaped seat, an annular plate, and a plurality of blades. Each of the blades is arranged in an oblique manner along a rotational direction of the fan...
6648936 Oil mist eliminator  
An oil mist eliminator includes an impeller rotating about its axis in one direction within a casing having an inlet and an outlet. The impeller includes a plurality of circumferentially spaced...
6556437 Ergonomic carrier for hot-swap computer components  
A fan carrier assembly for hot swap computer components such as computer fans is provided. The fan carrier assembly preferably includes a handle operable to engage a pair of latches such that when...
6416285 Process for manufacturing an impeller  
A method for producing a rotor of a fan, which has support disks and lamellae which each have a curved cross-sectional profile, is proposed. The method is distinguished by the fact that firstly the...
6402473 Centrifugal impeller with high blade camber  
A centrifugal impeller with high blade camber exhibits relatively high non-dimensional pressure and flow performance while maintaining a high operating efficiency. This invention suits itself...
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...
6345956 Impeller of a blower having air-guiding ribs with geometrical configurations  
An air-guiding impeller for a blower. The impeller includes a rotary shaft adaptable for a motor, an annular frame, blades formed on the annular frame, and air-guiding ribs interconnected between...
6220818 Blower wheel assembly with steel hub, and method of making same  
The invention includes a blower wheel assembly and method characterized by a hub formed with a piece of annealed carbon steel tubing cut to an appropriate length. The tubing is formed into the hub...
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...
6203278 Blower wheel with center disc having roughened blade engaging surface  
A centrifugal blower wheel including a center disc assembly and a blade assembly. The blade assembly includes a plurality of blades, each blade including a notch which is engaged over a peripheral...
6158954 Cross-flow fan and an air-conditioner using it  
A number of vanes 12 are disposed in a peripheral direction of a plurality of supporting disks disposed along a rotary shaft 14 at given intervals. Each vane 12 is disposed at an angular interval...
6156090 Air cleaner having vanes with a winglike cross-section between a shroud and baseplate for rotation within a housing  
An air cleaner includes a housing having an upper wall and side walls, an air filter mounted with respect to the housing, a fan including a vane-wheel having a plurality of vanes, a supporting...
6149381 Cross flow fan for air conditioner  
A cross flow fan of an air conditioner adapted to attenuate or offset high sound and low sound which are generated during operation of the cross flow fan to thereby minimize noise and to prevent...
6053700 Ducted turbine  
A turbine 400 has a central duct 410 which accelerates fluid passing through it and a blade configuration which retards the flow of fluid near the tips of the turbine. This structure results in a...
6041853 Ceiling built-in type air conditioner  
The present invention aims at obtaining a ceiling built-in type air conditioner in which noise attributable to the breakaway flow of air at the front ends of the fins is decreased. For this...
6023939 Fan and motor assembly for an air conditioner  
6007300 Centrifugal multiblade fan  
A centrifugal multiblade fan comprises a plurality of curved blades which are circularly arranged about a common rotation axis at evenly spaced intervals defining a curved air flow passage between...
5988979 Centrifugal blower wheel with an upwardly extending, smoothly contoured hub  
A centrifugal blower wheel having an indivisible prime number of peripherally spaced blades projecting upwardly from the top surface of a generally annular-shaped base plate. Each blade includes a...
5954295 Lift generation by counter-rotating line vortices  
A mechanism and method for generating lift with the Bernoulli Effect. A pair of cylindrical impellers create a pair of counter rotating forced linear vortices. Fast moving, low pressure air...
5934876 Blower wheel assembly with steel hub having cold-headed lugs, and method of making same  
A blower wheel assembly and method is characterized by a steel hub with protruding lugs that mate with a corresponding array of holes in a backplate of the assembly. The lugs are riveted or...
5870420 Cross-flow blower with braces  
A trussed cross-flow blower comprising truss elements on the inside of a cylindrically-shaped cross-flow blower element form at least three trusses which provide rigidity to the blower element....
5827046 Transverse fan, method of manufacturing the same and apparatus therefor  
A transverse fan includes a pair of end plates each having an annular shape, a plurality of blades annularly disposed between the end plates and a plurality of partition plates each having an...
5746577 Centrifugal-type blower  
An inner diameter (d 2 ) of a centrifugal-type multiple-vane fan at a side where the motor is inserted (i.e., the insertion side) is larger than an inner diameter (d 1 ) of the centrifugal-type...
5743712 Turbine support and energy tranformation  
Apparatus for peripherally supporting the rotor of a fluid driven turbine and for power take-off of energy by transformation of peripheral speed of the rotor to use such as to drive one or more...
5693992 Cooling fan structure for AC generator  
A cooling fan for an AC generator of a motor vehicle implemented in light weight and having a high cooling capability with generation of noise being suppressed to a minimum. The cooling fan is...
5673747 Rear air-conditioning unit for use in vehicle  
A blower means is provided by a cross flow fan 4 in which a plurality of axially extending blades 13 are arranged in rows in a circumferential direction and connected axially with connecting plates...
5611667 Transverse fan  
A transverse fan in which a plurality of blades are disposed between disk- or ring-shaped end plates in a circumferential arrangement at fixed mounting pitches in a ring-shaped configuration....
5591004 Turbine support and energy transformation  
A support for peripherally supporting the rotor of a fluid driven turbine and for power take-off of energy by transformation of peripheral speed of the rotor to use such as to drive one or more...
5586053 Method to determine the blade shape of a sirocco fan  
This invention relates to a method to dertermine the shape of a fan blade of a sirocco fan which can improve fan efficiency and reduce the noise from flow, comprising the steps of determinating a...
5577882 Unidirectional reaction turbine operable under reversible fluid flow  
A reaction turbine capable of providing unidirectional rotation under a reversible fluid flow is disclosed. The turbine comprises inflow and outflow fluid channels, a turbine chamber, and a working...
5478205 Impeller for transverse fan  
A transverse fan impeller (10) having blades (31) that extend longitudinally parallel to the rotational axis of the impeller. Each blade has an airfoil cross section, defined by a chord line (Ch)...
5478275 Radial fan  
A ventilation system for a car including an outside air channel, an interior air channel, and a radial fan having a suction side and an exhaust side. The fan is situated at junction between the...
5476365 Centrifugal blower wheel with forward curved multi-blades  
A centrifugal blower wheel is provided with forward-curved multi-blades comprising a pair of end rings, a plurality of blades and a disk. By separating the blades into "vane members" which assume...
5470203 Blower blade assembly having counterbalancers  
A blower blade assembly has a plurality of blades, at least one of which is provided with a counterbalancer. The counterbalancer is of one-piece construction and includes a first arm having two...
5451137 Unidirectional helical reaction turbine operable under reversible fluid flow for power systems  
A reaction turbine capable of providing high speed unidirectional rotation under a reversible ultra low head pressure and/or high velocity fluid flow is disclosed. The turbine comprises a working...
5451138 Unidirecional reaction turbine operable under reversible fluid from flow  
A reaction turbine capable of providing unidirectional rotation under a reversible fluid flow is disclosed. The turbine comprises inflow and outflow fluid channels, a turbine chamber, and a working...
5427503 Multi-stacked circular plate fan provided with blades  
A multi-layer disk fan with blades operates quietly. The multi-layer disk fan with blades is formed by laminating a multiplicity of annular disks in a measured spaced relation, the arrangement...
5415226 Device for preventing noise in air conditioner  
A device for preventing noise in an air conditioner including a stabilizer with different inclination angles correspondingly with the different segments of the lateral blowing fan, so that the...
5392846 Heat/cooling system and apparatus  
This invention provides a heating/cooling system including a heating/cooling apparatus, the apparatus comprising a blower unit connected to a heat exchanger unit and both units are enclosed within...
Matches 1 - 50 out of 141 1 2 3 >