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Patent No. 5678617

Method and apparatus for making a drink hop along a bar or counter

A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.

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Class 310/165 - D.C. excited


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having an electromagnetic coil which is adapted
No. of patents: 51
Last issue date: 03/25/2008


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NumberTitleIssue Date
7348707Electromechanical device having three-dimensional stator laminations
In certain embodiments, an electromechanical device includes a rotor having a rotational axis, and a stator disposed about the rotor. The stator may include a circumferentially laminated section comprising a plurality of circumferential segments disposed one after a...
03/25/2008
7342339Reluctance machine having a non-uniform air gap
A reluctance machine includes a stator having a stator core. The stator core includes a central bore and a plurality of stator poles extending inwardly from the stator core. Each of the stator poles includes a stator pole face. The reluctance machine further include...
03/11/2008
7336013High mechanical strength electrical connection system and method
In accordance with one embodiment, the present technique provides a bushing that is configured to electrically and mechanically couple a conductor bar of a rotor assembly to an end ring of the rotor assembly. The exemplary bushing has an interior surface that is con...
02/26/2008
7329960System and method for propelling a large land-based vehicle using a dual function brushless dynamoelectric machine
A propulsion system for a relatively large land-based vehicle, such as a locomotive or off-highway vehicle, is provided. The system may include a brushless dynamoelectric machine made up of a main alternator having a main rotor and a main stator, and an auxiliary al...
02/12/2008
7151336Rotor of reluctance motor
A plurality of projections are provided abutted with an outer circumference of a columnar axis inserted to an inner circumference of a rotor. The projections are provided in the direction of a magnetic pole in the rotor. When the rotor is fixed to the columnar axis,...
12/19/2006
7095205System and method for inductance based position encoding sensorless SRM drives
A controller (72) for a switched reluctance machine (20) implements a model of at least one active phase representing dynamic magnetic machine characteristics. The controller (72) determines machine control signals based on rotational position o...
08/22/2006
7030587Configuration of converter switches and machine coils of a switched reluctance machine
A system for controlling a switch reluctance machine is provided. The system includes multiple phases located in the switch reluctance machine, each phase having multiple machine coils. Each machine coil is independently connected to a positive side switch circuit a...
04/18/2006
7023121Brushless rotary electric machine having tandem rotary cores
A brushless rotary electric machine includes a stator having an annular armature core with first radial teeth at the outer periphery thereof and second radial teeth at the inner periphery thereof and an armature winding wound between the teeth, a rotor having a pair...
04/04/2006
6969930Half-stepping motor with bifilar winding ratio for smooth motion
A half-stepping motor with bifilar coil windings about its stator poles has two layers of stator coils with different numbers of turns per pole for each layer. The ratio between the number turns is selected to provide a desired angular phase shift in the torque prof...
11/29/2005
6940238Single coil, direct current permanent magnet brushless motor with voltage boost
A single coil, direct current permanent magnet brushless motor including a stator including six alternately-wound coils connected into a single coil having first and second ends, the oppositely-wound coils forming stator poles, and six magnets of alternating polarit...
09/06/2005
6873075Magnetic bearing control device
A magnetic bearing control device that can operate a motor with low noise, has a simple system construction and is compact and inexpensive comprises: at least a pair of opposed electromagnets for supporting a suspended unit without contact; a motor M for rotating th...
03/29/2005
6828702Brushless DC drive
In a brushless direct-current drive with a synchronous motor (10), which has a stator (12) that supports a multi-phase stator winding (15) and a rotor (13) equipped with permanent magnet poles (20), and with a switch unit (11
12/07/2004
6734593Alternating current generator with unpolarized rotor
An alternating current generator, comprising: a disc shaped rotor and first and second ring shaped stationary cores, coaxially located with the rotor, the rotor further comprising a non-magnetic disc attached to a shaft, with a plurality of low permeability magnetic...
05/11/2004
6442535Method and apparatus for implementing a low cost, intelligent controller for a switched reluctance machine
A controller for a switched reluctance machine utilizing a feedforward neural network in combination with either a fuzzy logic controller or a proportional-integral controller to provide output control signals (e.g., turn-ON angle, turn-OFF angle and peak...
08/27/2002
6191517Brushless synchronous rotary electrical machine
A brushless synchronous electrical machine includes a rotor rotating about a rotor axis, and a stator that includes at least one set of magnetically active stator cores projecting radially outward from the axis, and that also includes magnetically interac...
02/20/2001
6133663Brushless permanent magnet machine
A brushless permanent magnet machine that includes a combination of a fractional stator slot/rotor pole and a winding configuration to reduce cogging during operation of the machine. The stator has a series of teeth (preferably eighteen) which are surroun...
10/17/2000
6078122Reluctance machine with fractional pitch winding and drive therefore
A reluctance machine including a plurality of phase windings where each phase winding comprises a plurality of fractional-pitched coils. The reluctance machine may be coupled to a drive that can energize one, two or more of the phase windings to provide o...
06/20/2000
6075302Brushless heteropolar inductor machine
A multiple phase heteropolar inductor electrical machine utilizing relatively movable stators and rotors wherein the rotors include electrical winding for producing electricity. The stators and rotors are spaced as to produce an electrical balancing among...
06/13/2000
6066906Rotating machine having superconducting windings
A superconducting rotating machine includes a direct current field excitation source and an alternating current armature winding mounted on a stationary support member, at least one of which includes a superconducting material, a core member formed of a m...
05/23/2000
5998899Magnetic bearing system including a control system for a flywheel and method for operating same
A bearing system for positioning and supporting a rotor having a vertical shaft (20) coincident with a main rotation axis included in a flywheel (10) used for energy storage and high surge power in vehicular applications. The bearing system includes upper...
12/07/1999
5973431Reluctance machine with permanent magnet rotor excitations
A reluctance machine system including a reluctance machine having a stator including at least one phase winding and a rotor defining rotor poles and inter-pole gaps, where permanent magnet inserts are positioned within the inter-pole gaps to interact with...
10/26/1999
5952759Brushless synchronous rotary electrical machine
A brushless synchronous rotary electrical machine comprises stationary stator and "inner" windings. Only the rotor moves. The inner windings are stationary helical windings, concentric with the rotor shaft and attached to the stator armature. Variation in...
09/14/1999
5923142Low cost drive for switched reluctance motor with DC-assisted excitation
A reluctance machine system including a reluctance machine having a rotor and a stator including at least one phase winding and a full pitch auxiliary field winding where constant currents are established in the auxiliary field winding to assist in the es...
07/13/1999
5889347Reluctance machine with fractional pitch winding and drive therefore
A reluctance machine including a plurality of phase windings where each phase winding comprises a plurality of fractional-pitched coils. The reluctance machine may be coupled to a drive that can energize one, two or more of the phase windings to provide o...
03/30/1999
5838087Reluctance machine
A reluctance machine including a stator defining a plurality of stator poles and a plurality of stator slots, a rotor positioned to rotate with respect to the stator, and a plurality of phase windings, where each phase winding comprises a plurality of coi...
11/17/1998
5798594Brushless synchronous rotary electrical machine
A brushless synchronous rotary electrical machine comprises stationary stator and "rotor" windings. Only the rotor moves. The rotor winding is a stationary helical winding, concentric with the rotor shaft and attached to the stator armature. Variation in ...
08/25/1998
5682073Hybrid excitation type permanent magnet synchronous motor
A hybrid excitation type permanent magnet synchronous motor is provided with an armature and a rotor core arranged to be rotated relative to the armature. Permanent magnets are installed on the rotor core and generate magnetic flux which passes through th...
10/28/1997
5424593Generator rotor cooling
Difficulties in cooling the rotor (28) of a dynamoelectric machine carrying a rotating rectifier (54) are avoided by providing a coolant inlet 68 extending to the interior of a rectifier housing 50 through which the coolant may flow to emerge from a port ...
06/13/1995
5012148AC machine system with induced DC field
An AC machine system, in which the machine has an auxiliary rotating magnetic field, in addition to the main rotating field, with different speeds of rotation. The auxiliary field serves to induce AC voltages in the rotor windings, even when the machine i...
04/30/1991
4948996Direct cooled bore connector
Cooling means are provided for directly cooling the bore bus bars which connect a direct current exciter such as a bore pack exciter to the field of an electric power generator. Two bore bus bars are separated by an insulating sheet have a circular cross ...
08/14/1990
4890028Rotor for a turbo-generator
Generator rotor for a turbo-generator in which the rotor winding is fed via two feeding conductors, which are each arranged in a bored channel in the rotor body. The two channels diverge in relation to one another and each channel is bored in part in an a...
12/26/1989
4868906Centrifugally activated switch for a synchronous generating system
When operating a synchronous machine as a synchronous generator, a suppression resistor is required across the main generator field. However when operating the synchronous machine as an induction motor, a current is induced in the main generator field whi...
09/19/1989
4835431Transformer and synchronous machine with stationary field winding
A multi-phase electrical transformer includes a rotor-stator structure that provides varying-reluctance magnetic-field paths in which the magnetic fields pass through plural stator cores on which phased primary and secondary windings are mounted and throu...
05/30/1989
4764699Generator stator retention system
An oil-cooled generator (10) is provided having a housing (20) with a gas-filled interior and rotor (46,56) therein. A stator (44,58) associated with the rotor (46,56) is secured to a surrounding sleeve (70',70) by an interference fit and pins (72',72). A...
08/16/1988
4733117Reluctance synchro/resolver
The pole members of each phase of a synchro have quadrifilar windings wherein each conductor is wound over six poles associated with a given phase. A voltage signal from an alternating current source is impressed across one conductor from each phase conne...
03/22/1988
4628245Multipolar excitation systems
A D.C. excited rotor winding arrangement for a dynamoelectric machine comprises at least one closed loop (1,2,3) of three or more series-connected winding sections (10,11,12,13,16,17,18,19,20,21,22,23) with at least three current-supply terminals (ABCD) a...
12/09/1986
4577126Synchronous electric machine with superconductive field windings
A synchronous electrical machine including a fixed superconducting field winding to provide D.C. magnetic field when a D.C. current circulates through the winding. A fixed normally conducting armature is provided with a plurality of spaced-apart disks. Ea...
03/18/1986
4514652Liquid cooled high speed synchronous machine
A rotary electric machine such as a brushless generator including a housing, a stator within the housing and a rotor journalled within the housing. A stationary element is affixed to the housing and extends axially into a cavity in the rotor and a barrier...
04/30/1985
4496868Electrical machine
An electrical machine comprising a cylindrical housing accommodating a rotor made in the form of at least two pole systems having pole projections and interconnected through a magnetic circuit, a stator having at least two stacks of laminations, and an ex...
01/29/1985
4488069Stepping motor
In the disclosed motor, a stator and a rotor are movable relative to each other about a common axis. The stator has stator poles with radially directed stator teeth arranged in a circle around the axis and the rotor includes a first axial portion and a se...
12/11/1984
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