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Class Information
Number: 310/68B
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > With other elements > Electric circuit elements > Condition responsive (e.g., position, torque, etc.)
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
6268669 Electric motor for power steering device Jul. 31, 2001
6265801 Permanent magnet type electrical rotating machine Jul. 24, 2001
6265796 Motor armature having a magnetic member for restart positioning Jul. 24, 2001
6262510 Electronically switched reluctance motor Jul. 17, 2001
6249067 Method and sensor arrangement for the determination of the radial position of a permanent magnetic rotor Jun. 19, 2001
6249068 Motor connecting plug, in particular for a variable-speed commutator motor, having slots for contact tracks Jun. 19, 2001
6239532 Motor with external rotor May. 29, 2001
6225715 Construction of a motor with a built-in sensor May. 1, 2001
6225716 Commutator assembly apparatus for hall sensor devices May. 1, 2001
6222362 Method for detecting the position and direction of motion of a moving part mounted on an electric motor Apr. 24, 2001
6222290 Sensor arrangement in an electromagnetic rotary drive and a method for the operation of a rotary drive of this kind Apr. 24, 2001
6218750 Driving device for polyphase motor Apr. 17, 2001
6218748 Rotation detecting device for a brushless motor Apr. 17, 2001
6218749 Electric motor having rotor-embedded sensor Apr. 17, 2001
6215213 Drive arrangement for a motor vehicle Apr. 10, 2001
6211588 Electromoter having a position sensor with a plurality of field sensitive elements on a semiconductor chip Apr. 3, 2001
6198185 Magnetic ring Mar. 6, 2001
6198196 Method and device for compensating for magnetic pull in a discoidal machine Mar. 6, 2001
6194799 High-power low-RPM DC motor Feb. 27, 2001
6191514 Method for activating for instance a motor vehicle operating device Feb. 20, 2001
6191513 Stator-controlled magnetic bearing Feb. 20, 2001
6181036 Rotational angle detector for brushless motor and brushless motor using the detector Jan. 30, 2001
6153956 Switched reluctance position sensing Nov. 28, 2000
6144198 System and method for determining rate of rotation using brushless DC motor Nov. 7, 2000
6144126 Magnetic disc driving apparatus Nov. 7, 2000
6144125 Contactless electronic control system for modular motorized wheel hub Nov. 7, 2000
6139288 High pressure pump Oct. 31, 2000
6140727 Pulse signal generator Oct. 31, 2000
6137204 VR-type resolver Oct. 24, 2000
6133656 Brushless commutated torque motor for use with a rotary low frequency sound reproducing apparatus Oct. 17, 2000
6127752 Motor with RPM pickup via a hall sensor Oct. 3, 2000
6124654 Drive system Sep. 26, 2000
6124710 Rotary magnetic encoder using hall effect for detecting revolution of a shaft Sep. 26, 2000
6121700 Brushless motor and method of manufacture Sep. 19, 2000
6114785 Positioning device for a sensor element of a miniature fan Sep. 5, 2000
6109892 Positioning device for a sensor element of a miniature fan Aug. 29, 2000
6111330 Arrangement for sensing the temperature of the armature of a direct current motor Aug. 29, 2000
6111333 Magnetic bearing, rotating machine mounting the same, and method for driving rotating machine Aug. 29, 2000
6107712 Motor actuator having position detector Aug. 22, 2000
6107716 Power-assisted steering assemblies Aug. 22, 2000
6107713 Drive assembly Aug. 22, 2000
6107704 Microelectric motor Aug. 22, 2000
6104113 Coil assembly for sensorless rotor angular position control of single phase permanent magnet motor Aug. 15, 2000
6097120 Brushless D.C. motor assembly Aug. 1, 2000
6097123 Brake and stall detector for a motorized actuator Aug. 1, 2000
6097129 Electronically commutated motor Aug. 1, 2000
6093986 Method and apparatus for powering shaft-mounted sensors on motors and generators Jul. 25, 2000
6091170 Starting of single-phase motors Jul. 18, 2000
6091171 Electric motor having rotation detection sensor Jul. 18, 2000
6084398 Rate of rotation measurement using back-EMFS associated with windings of a brushless DC motor Jul. 4, 2000

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