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Patent No. 6351867

Body squeegee

A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.

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Class 318/300 - Field-circuit current reversed


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for reversing
No. of patents: 14
Last issue date: 04/22/2008


NumberTitleIssue Date
7362065Regenerative breaking system for electric vehicle
Several embodiments of electric vehicle control and control apparatus wherein the amount of regenerative braking of the vehicle and the type of braking is determined by current conditions to provide simpler and more effective control regardless of condition of the p...
04/22/2008
7132808Solid state series motor control
A solid state series motor control includes first and second FORWARD DRIVE elements, first and second REVERSE DRIVE elements, first and second diodes, a current sensor, and a capacitance. The series motor control is conf...
11/07/2006
7126238Method and device for driving an electric actuator unit
A system for driving an electric actuator unit with a polarity-dependent actuation direction contains a driving unit with a voltage input, at least one polarity control input and two voltage outputs whose polarity depends on the polarity control signal at the polari...
10/24/2006
6998815Motor drive control device
A motor drive control apparatus includes a motor, a power supply, a control circuit, a first current detector, a first switching element, and a second switching element. The first current detector generates a first detection voltage indicating a first current flowin...
02/14/2006
6917171Control device and method of stopping spindle motor of an optical disc system
A control device and a method of stopping the spindle motor or an optical disc system. The control device primarily includes an optical disc control chip, a motor driving circuit and a spindle motor. The optical disc control chip generates and delivers a spindle mot...
07/12/2005
5764009Motor control device in electric motor-operated vehicle
An electric motor control for a series-wound DC motor for providing speed control and also for controlling regenerative braking. The regenerative braking is energized either when the accelerator pedal is released and/or when a brake pedal is depressed. In...
06/09/1998
5598072Regenerative braking circuit utilizing separately excited motor
A separately excited DC motor system is arranged to provide operation in a smooth, continuous electrical retarding mode. A series contactor connects the motor armature to a DC power source and is controlled so as to immediately open upon sensing of a need...
01/28/1997
5332954Optimal DC motor/controller configuration
Optimal constructions for two motor/controller configurations are disclosed. The controller structure includes an H-bridge for controlling field current using synchronous-rectification of MOSFET devices, and a circuit for chopping the armature current usi...
07/26/1994
4947285Reversing circuit for direction reversal in direct current drives
For the purpose of achieving an efficient and long-lived switching contact making on the basis of a structural design saving space and material, a reversing circuit for direction reversal in the case of direct current drives comprises four single-pole con...
08/07/1990
4629951Control system for reversing the rotation of a field wound motor
A control system for reversing the rotation of a field wound motor is used in electric power steering systems. The system responds to control signals from a control means 25 to energize opposite legs of a bridge circuit 14 to direct current through the fi...
12/16/1986
4562386Current sense demodulator
An apparatus for use with an amplifier regulates the current through a load according to a drive signal having first and second states and comprises switchless sensing means and polarity correction means. The switchless sensing means provides a sense sign...
12/31/1985
4496888Control system for a d.c. motor
A d.c. motor control system, intended primarily for use in battery powered vehicles, includes a control switch (RL2a, RL2b) for varying the connections of the motor field winding (24) to determine the mode of operation of the motor and speed interlock mea...
01/29/1985
4146826GTO bi-directional motor control circuit
Gate-turn-off silicon controlled rectifiers (GTO's) are selectively rendered conductive to control the direction of rotation of a bi-directional motor. To this end a digital logic network is responsive to either one or both of a pair of remotely located s...
03/27/1979
3971973Rheostatic control system for a DC motor
A rheostatic control system for controlling the speed and the direction of rotation of a DC motor which is employed mainly for controlling the speed of an electric vehicle or the like. The system comprises a sliding-contact rheostatic unit which is provid...
07/27/1976
 
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