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Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

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Class 318/496 - Polyphase windings


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which the armature or primary windings
No. of applications: 10
Last issue date: 05/24/2012


Application No.Application TitleIssue Date
20120126728INTEGRATED ELECTRIC MACHINE AND SILICON CARBIDE POWER CONVERTER ASSEMBLY AND METHOD OF MAKING SAME
An electric drive system comprising an electric machine comprising a rotor and a stator, a power converter electrically coupled to the electric machine and configured to convert a DC link voltage to an AC output voltage to drive the electric machine, and a single coolin...
05/24/2012
20110260656LOAD DRIVE SYSTEM, MOTOR DRIVE SYSTEM, AND VEHICLE CONTROL SYSTEM
Provided is a small-sized load drive system which, even with three three-phase inverters, significantly reduces noise regardless of control duty ratio. The load drive system includes three-phase inverters 301 to 303, and first, second, and third control un...
10/27/2011
20110241591DEVICE WITH A POLYPHASE ELECTRICAL MACHINE, AND RELATED ELECTRICAL MACHINE
The invention relates to a device having a polyphase electrical machine, wherein a plurality of inverters (36, 37, 38), which are controlled by an interlaced control modulated by pulse width to an identical cutoff frequency, provide, on the phase outputs thereof,...
10/06/2011
20110221375POWER CONVERTER
In a power converter, a voltage command signal shifting part shifts a first duty command signal such that a first duty center value related to a voltage applied to a first set of windings is shifted downwards than an output center value of a possible duty range. The vol...
09/15/2011
20100066295TRIGGER MECHANISM FOR CURRENT ACQUISITION USED FOR MOTOR CONTROL APPLICATIONS
A trigger mechanism for starting current acquisition for motor control applications is disclosed. The present invention may generate an edge (ADC trigger) that can be used to start current acquisition by the ADC. The present invention may reduce the overhead involved in...
03/18/2010
20090134833PHASE CURRENT SAMPLING AND REGULATING APPARATUS AND METHODS, AND ELECTRIC MOTOR DRIVE SYSTEMS
In various embodiments, a phase current sampling apparatus (300, 600, FIGS. 3, 6), an electric motor drive system (100, FIG. 1), and a motor vehicle (1200, FIG. 12) include switching circuitry adapted to receive first and second...
05/28/2009
20080272669Electric Machine, in Particular a Synchronous Motor, With Redundant Stator Windings
The electrical machine (1) has a stator (2) and a rotor (5), wherein the stator (2) has stator slots (8), in which a stator winding (4) with redundant and at least three-phase winding systems (U1, V1, W1; U<...
11/06/2008
20080246426Control system for multiphase rotary machines
A control system aims at converting, via a switching circuit, a direct current voltage into an alternating current voltage to be applied to multiphase windings of a multiphase rotary machine to thereby control rotation of the multiphase rotary machine. In the control sy...
10/09/2008
20080218114Mixed Device for Controlling Power Transfer Between Two Cores of a Direct Current Network and Supplying an Alternating Current Motor
A combined device for instantaneous control of power transfer between two cores of a direct current network and for powering an alternating current engine. The device includes: an assembly of two three-phase inverters, each including three switching cells connected to t...
09/11/2008
20080024082Controller for motor
A controller for a motor carries out field weakening control by using a simple construction to change the phase difference between two rotors, which are disposed around a rotating shaft, without depending on the number of revolutions of a motor. The controller for a mot...
01/31/2008
 
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