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Class 416/3 - ACTUATION DIRECTLY RESPONSIVE TO MAGNETIC OR ELECTRICAL EFFECT


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein an impeller* is caused to operate
No. of patents: 62
Last issue date: 12/02/2008


1    
NumberTitleIssue Date
7458775Magnetically operated fan device
A magnetically operated fan device includes a fan member rotatably supported on a housing, one or more magnetic members disposed in the housing, a base supported in the housing, a follower rotatably attached to the base and having a frame, an axle rotatably attached...
12/02/2008
7357567Sterile fluid pumping or mixing system and related method
A system for pumping or mixing a fluid using a levitating, rotating magnetic element and various other components for use in a pumping or mixing system are disclosed. The magnetic element is placed in a vessel or container that can be positioned in close proximity t...
04/15/2008
7332842Fan motor
A fan motor includes: a stepping motor for rotating a rotating shaft; an impeller rotated by the rotating shaft; and a connecting member for rotatably connecting the impeller relative to the rotating shaft. The connecting member absorbs an inertia force of the impel...
02/19/2008
7306728Rotor and methods of use
A shaftless rotor includes at least two recessed portions. The portions are shaped to enable the rotor to rotate by the application of fluid flow to the rotor. The centre of mass of the rotor is substantially at the centre of the volume of space occupied by the roto...
12/11/2007
7282823Self-cooling electric machine
An electric machine having a rotor with a ventilation port and a rotor coupling with at least one air disturber. ...
10/16/2007
7258480Apparatus for mixing liquid samples using a two dimensional stirring pattern
A method for rapidly and uniformly mixing solutions within a biochemical analyzer by rapidly and repeatedly moving a sampling probe in a two-dimensional boomerang-curved pattern within the solution. ...
08/21/2007
7242162Apparatus and method for retracting awning
An apparatus and method for retracting an awning. A sensor detects an awning acceleration caused by wind impacting the awning, and generates a signal having an amplitude corresponding thereto. When the signal exceeds a certain threshold, the awning is retracted. The...
07/10/2007
7210226Method of manufacturing an impeller
A method of manufacturing an impeller includes the steps of: (a) forming an impeller having a plastic disc body and magnetisable material distributed and encapsulated within the body; (b) testing the imbalance of the impeller; (c) removing plastic material from the ...
05/01/2007
7186083Wind energy conversion device
A wind energy conversion device includes a propeller in which each of the propeller blades includes a proximal (radially inward) non-airfoil mounting section, a medial section and a distal tip section mounted to pivot relative to the medial section about a pitch axi...
03/06/2007
7168848Axial-pumping impeller apparatus and method for magnetically-coupled mixer
An impeller apparatus for use with a magnetically coupled mixer includes in one embodiment an axial-pumping impeller spaced axially apart from a driven magnet by a shaft. In another embodiment the impeller apparatus includes an up-pumping impeller spaced axially apa...
01/30/2007
7166940External rotor motor
An external rotor motor is disclosed, which features a stator (11) and a rotor (13) surrounding the stator (11) while leaving an air gap. A damper (16) made of an elastic material is arranged on the outside of the rotor (13) in ord...
01/23/2007
7161315Self dust-off apparatus and method thereof
A self dust-off apparatus includes a fan and a controller. The fan, which can be driven to rotate clockwise or counterclockwise, is installed in a projector. The controller is employed to direct the rotational direction (clockwise or counterclockwise) of the fan. In...
01/09/2007
7147438Electric turbine
An electric turbine includes a fan with a plurality of blades each with a tip having a permanent magnet positioned in the tip. The fan is mounted for rotation about an axis with the blades extending radially outwardly from the axis of rotation and with the tips adja...
12/12/2006
7134840Rotor system for a remotely controlled aircraft
A remotely controllable flying machine, such as a remote control ultralight helicopter, has at least one rotor blade (104), the pitch (α) of which may be adjusted. The adjustment of the pitch (α) of the at least one rotor blade is achieved by means of a for...
11/14/2006
7045702Solar-paneled windmill
A solar-paneled windmill is provided having aerodynamic fan blades provided with solar panels. The windmill produces electricity using wind energy and solar energy. In another embodiment, magnets are provided to the solar-paneled windmill fan blades to generate magn...
05/16/2006
7034417Rotor assembly capable of dissipating heat
A rotor assembly capable of dissipating heat comprises a shied cover and a hub. The shied cover provides a closed end and an open end with a lateral wall thereof being joined to the closed end and at least a through hole being provided at the closed end. The hub pro...
04/25/2006
7021894Apparatus for cooling of electronic components
An apparatus for cooling of electronic components of the present invention are provided with a heatsink and a blower with an electric drive. The heatsink comprises a base and heat exchanging means. The electric drive comprises a stator and a rotor with an axle; the ...
04/04/2006
7010813Leisure sports helmet
The object of this invention is to provide a leisure sports helmet having both a fan and a plurality of vents on a helmet body. Due to the fan (100) and the vents (20), atmospheric air is drawn into the interior of the helmet to cause convection to tra...
03/14/2006
6984109Rotor blade pitch control assembly
A rotor blade assembly provides a pitch control assembly to pitch the rotor blade about a rotor blade pitch axis. The pitch control assembly includes a trailing edge flap and a trailing edge servo flap that extend from the trailing edge of the rotor blade. The trail...
01/10/2006
6926498Hub of fan wheel with improved attachment for metal case
A hub of a fan wheel with improved attachment for a metal case. The fan wheel is composed of a hub with a storage portion and a plurality of blades arranged around circumference of the hub. A metal case with a magnetic part is disposed in the storage portion of the ...
08/09/2005
6923619Integrated blade cooler for electronic components
An integrated blade cooler for electronic components comprises a blower with a radial impeller and a casing, an electric drive with a magnetic rotor and a stator, and a heatsink with fins and a base. The casing has an inlet and an outlet; the impeller comprises blad...
08/02/2005
6881033Impeller
An impeller includes a plastic disc, an annular array of vanes, a rotation support and regions of permanently magnetisable material. The plastic disc has an upper face and a lower face. The vanes are spaced around the periphery of the disc and extend from the upper ...
04/19/2005
6821090Gust alleviation/flutter suppression device
An active control device is disclosed comprising an array of actively controlled oscillating air jets disposed on an aircraft structure. In a preferred embodiment, the device senses parameters associated with incipient unsteady aerodynamic excitation, such as free s...
11/23/2004
6769873Dynamically reconfigurable wind turbine blade assembly
A dynamically reconfigurable wind turbine blade assembly includes a plurality of reconfigurable blades mounted on a hub, an actuator fixed to each of the blades and adapted to effect the reconfiguration thereof, and an actuator power regulator for regulating electri...
08/03/2004
6745767Respiration system with an electrically driven rotary compressor
A respiration system is provided with an electrically driven rotary compressor as a gas delivery unit. The system makes a low-noise mounting of the gas delivery wheel possible. The gas delivery wheel can also be washed and sterilized and ensures a reliable separatio...
06/08/2004
6543719Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature
A porous surface on an aircraft structure driven with oscillating positive and negative pressures is used as an active control device for attenuating negative aerodynamic interactions. The porous surfaces can be driven with positive and negative pressures...
04/08/2003
6544000Magnetostrictive adjustment of propeller blade
A magnetostrictive rod subject to a magnetic field generated by an electrical activating coil within a pocket of a propeller blade is held in abutment with the body of the blade to effect its deflection causing change in shape involving a variation in bla...
04/08/2003
6443715Pump impeller
A pump impeller having a central hub and circumferentially-spaced bottom vanes extending in a direction outwardly of the hub. An annular shroud surrounds the hub in outwardly-spaced relationship thereto and provides an impeller liquid inlet passage around...
09/03/2002
6293754Method and apparatus for altering the physical properties of fluids
A system for fluid processing is provided to control shear, point velocity and pressure in either a Newtonian or non-Newtonian fluid, which includes creation of three fields, namely a dynamic microshear field, a dynamic velocity field and a dynamic pressu...
09/25/2001
6250880Rotary pump with exclusively hydrodynamically suspended impeller
A pump assembly 1, 33, 200 adapted for continuous flow pumping of blood. In a particular form the pump 1, 200 is a centrifugal pump wherein the impeller 100, 204 is entirely sealed within the pump housing 2, 201 and is exclusively hydrodynamically suspend...
06/26/2001
6234751Oscillating air jets for reducing HSI noise
Porous surfaces on an aerodynamic structure driven with positive and negative pressures are used in an active control system for attenuating shock waves responsible for high-speed impulsive (HSI) noise. The control system includes an array of apertures in...
05/22/2001
6227797Rotary pump with hydrodynamically suspended impeller
This invention relates to rotary pumps adapted, but not exclusively, for use as artificial hearts or ventricular assist devices and, in particular, discloses in preferred forms a seal-less shaft-less pump featuring open or closed (shrouded) impeller blade...
05/08/2001
6220826Fuel delivery unit
A delivery unit for motor fuel includes a side channel pump and an electric motor that drives the side channel pump. The electric motor has an armature winding, a permanent magnet (37), and a rotor (29). The rotor (29) and the impeller (16) of the side ch...
04/24/2001
6196797Electronic self-powered propeller governor
An electronic self-powered propeller governor driven off the aircraft engine includes a drive shaft which drives a hydraulic pump to produce pressurized oil to move a hydraulically controlled piston connected to the propeller blade for changing the blade ...
03/06/2001
6149404Fuel supply unit
A feed unit for fuel, has a pump chamber (14) and an impeller (16) disposed in the pump chamber, an electric motor (12) driving the impeller (16), the electric motor (13) with a rotor formed as the impeller (16) of the feed pump (11), in order to achieve ...
11/21/2000
6092990Oscillating air jets for helicopter rotor aerodynamic control and BVI noise reduction
An active control system for reducing blade-vortex-interaction (BVI) noise generated by a rotor blade. The active control system includes a pressure sensor assembly, a device for changing a lift generated by the rotor blade, and a controller for activatin...
07/25/2000
5967749Controllable pitch propeller arrangement
In the particular embodiments described in the specification, a controllable pitch propellor arrangement includes a plurality of propellor blades supported from a central hub which is rotatably mounted on a shaft in which each blade is pivotally supported...
10/19/1999
5938404Oscillating air jets on aerodynamic surfaces
An active control device for use on an aerodynamic structure is provided. The aerodynamic structure includes an outer aerodynamic skin and an interior volume, wherein the outer aerodynamic skin surrounds the interior volume. The active control device incl...
08/17/1999
5533803Magnetic stirring apparatus with contactless coupling between stirring shaft and stirring tool
A stirring apparatus has a stirring shaft, a drive, a stirring tool, and a contactlessly operating coupling for transmitting a driving moment from the drive through the stirring apparatus shaft to the stirring tool. The contactlessly operating coupling is...
07/09/1996
5399074Motor driven sealless blood pump
A centrifugal blood pump, used for heart-lung machines or the like, comprises an impeller, a casing having a suction inlet and a delivery outlet and being equipped with a space for rotatably accommodating the impeller, and a magnetic drive means disposed ...
03/21/1995
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