| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 318280000 | MOTOR-REVERSING | 35 |
| 20090021193 | DC Motor with a Rotation Direction Switching Circuit - A DC motor with a rotation direction switching circuit comprises a second power semiconductor assembly and a first power semiconductor assembly which are switched on and off alternatively by changing the polarity of the DC power source, thus providing an electronic rotation direction switching method. The service life is prolonged and the replacement times relatively reduce, and as a result, the material cost and maintenance cost of the rotation direction switching circuit is reduced. Therefore, it can improve the willingness of the user to use the DC motor with the rotation direction switching circuit and relatively improve the economic value of the DC motor. | 01-22-2009 |
| 20090051303 | Method and apparatus for controlling movement of a device - A method of controlling movement of a device includes the steps of actuating a motor to move the device; measuring the motor current; and controlling movement of the device in response to the motor current exceeding a motor current threshold. | 02-26-2009 |
| 20090167215 | DISPLACEMENT-PREVENTING DEVICE FOR COILABLE SHADE - A displacement-preventing device includes a control device electrically connected to an AC power source. The control device includes an upward movement contact, a downward movement contact, and a common contact. A power circuit is electrically connected to the common contact and converts the AC power source into a DC power source. A positing circuit is electrically connected to the control device, the power circuit, and the motor. The control device is operable to control rotation of the motor in either of two opposite directions for moving the coilable shade in the coiling direction or the uncoiling direction. The control device stops the motor when no power is input to the motor, and the positioning circuit causes a positive terminal of the motor to be in electrical connection with a negative terminal of the motor. | 07-02-2009 |
| 20110199029 | Bi-Direction Driver IC and Method for Bi-Directionally Driving an Object - The present invention discloses a bi-direction driver IC and a method for bi-directionally driving an object. The method comprises: providing a first and a second integrated circuit (IC) chips, coupled with an object to be driven, wherein each of the first and second IC chips is capable of single-directionally driving the object; providing a reverse current path in each of the first and second IC chips; driving the object in a first direction by the first IC chip, wherein current flows through the reverse current path in the second IC chip; and driving the object in a second direction by the second IC chip, wherein current flows through the reverse current path in the first IC chip. | 08-18-2011 |
| 20120056566 | ELECTRIC SWITCH - An electric switch, in particular for an electric tool with an electric motor. The switch has first electrical terminals for electrical connection to a voltage supply and second electrical terminals for electrical connection to the electric motor. The switch has an actuating mechanism which can be adjusted between an initial position and a final position, wherein the electric motor is switched off when the actuating mechanism is located in the initial position and is switched on when the actuating mechanism is not located in the initial position. The switch also has a braking circuit for braking the electric motor, the braking circuit operating when the actuating mechanism is reset to the initial position. The switch also has a reversal circuit for switching over the direction of rotation of the electric motor. The braking circuit is arranged between the second electrical terminals and the reversal circuit. | 03-08-2012 |
| 20130141021 | MOTOR CONTROL CIRCUIT AND KEYBOARD ASSEMBLY HAVING SAME - An exemplary motor control circuit for controlling a motor includes a motor driving chip, a sensing unit, and a controller. The motor driving chip motor driving chip is electronically connected to the motor. The sensing unit includes a proximity sensor, the proximity sensor detects whether an external object is proximate to the proximity sensor. The controller is electronically connected to the motor driving chip and the sensing unit, the controller controls the motor driving chip to drive the motor to rotate in a first direction when an external object is detected, and controls the motor driving chip to drive the motor to rotate in a second direction reverse to the first direction when no external object is detected for a predetermined period of time. | 06-06-2013 |
| 20140210381 | VEHICLE WINDOW LIFTING DEVICE AND INTEGRATED CIRCUIT - A window lifter device for driving a motor to control the up and down motion of an automobile window includes: a switch assembly; an up driving circuit for driving the motor to move up the window; a down driving circuit for driving the motor to move down the window; and a control circuit directly coupled between the switch assembly and the up and down driving circuits for controlling the up driving circuit to drive the motor to move up the window when the switch assembly is in a manual up operating state, and controlling the down driving circuit to drive the motor to move down the window when the switch assembly is in a manual down operating state. | 07-31-2014 |
| 20160002969 | WINDOW OPENING-CLOSING CONTROL SYSTEM AND WINDOW OPENING-CLOSING CONTROL APPARATUS - The invention improves detection accuracy of interposition at a vehicle window. An interposition detector determines that a window at a passenger's seat has interposition if motor current for opening and closing the window at the passenger's seat does not decrease to be less than a predetermined threshold but increases to be not less than a second threshold, or if the motor current does not decreases to be less than the predetermined threshold but increases at a predetermined or more increase rate. The interposition detector determines that the window at the passenger's seat does not have interposition if the motor current is less than the predetermine threshold. The invention is applicable to an automatic window system and the like. | 01-07-2016 |
| 318281000 | Periodic- or intermittent-reversing | 3 |
| 318282000 | In response to movement or position (e.g., limit of travel) of motor or driven device | 3 |
| 20080238348 | ROTARY, LIMITED ROTATION BI-DIRECTIONAL, DIRECT CURRENT ACTUATOR - An actuator ( | 10-02-2008 |
| 20140246995 | MOTOR DRIVE CIRCUIT AND ILLUMINATION APPARATUS AND METHOD - A motor-drive circuit includes: an output transistor configured to supply a drive current to a motor for a cooling fan; a switching-control circuit configured to control switching of the output transistor so that the motor rotates in a first direction, or rotates in a second direction opposite to the first direction; and a switching circuit configured to, when a first time has elapsed since start of rotation of the motor in the first direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the first direction and thereafter rotates in the second direction, and configured to, when a second time has elapsed since start of rotation of the motor in the second direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the second direction and thereafter rotates in the first direction. | 09-04-2014 |
| 20160056742 | MOTOR DRIVE CIRCUIT AND ILLUMINATION APPARATUS AND METHOD - A motor-drive circuit includes: an output transistor configured to supply a drive current to a motor for a cooling fan; a switching-control circuit configured to control switching of the output transistor so that the motor rotates in a first direction, or rotates in a second direction opposite to the first direction; and a switching circuit configured to, when a first time has elapsed since start of rotation of the motor in the first direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the first direction and thereafter rotates in the second direction, and configured to, when a second time has elapsed since start of rotation of the motor in the second direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the second direction and thereafter rotates in the first direction. | 02-25-2016 |
| 318283000 | Automatic and/or with time-delay means | 11 |
| 20130207576 | DC ELECTRIC MOTOR CONTROL DEVICE - A DC electric motor control device has a motor driving circuit that is constructed by a plurality of switching elements, a controller that operates the motor driving circuit to control a normal rotation or a reverse rotation of a DC electric motor, and an abnormality determination part that determines whether an abnormality is generated while the controller controls the DC electric motor. The controller previously performs reverse rotation control of the DC electric motor for a predetermined time using the motor driving circuit when performing normal rotation control of the DC electric motor, and the controller performs the normal rotation control only when the abnormality determination part determines that the abnormality is not generated during the reverse rotation control. | 08-15-2013 |
| 20140070737 | HANDHELD WORK APPARATUS HAVING A DRIVE CIRCUIT FOR AN ELECTRIC MOTOR WHICH DRIVES OSCILLATING TOOLS - A handheld work apparatus having an electric motor and a drive circuit for the electric motor. The rotation movement of the motor is converted into an oscillating movement of the work tool via a gear mechanism. The motor is situated in a circuit including at least the motor and a switch for operating the motor. To reduce wear of the gear mechanism, a control unit for operating the motor in one of two directions of rotation is provided. The control unit independently determines a selected direction of rotation for a next operating cycle as a function of a control variable. When the motor is started, the motor is started by the control unit in the direction of rotation which is associated with a value of the control variable. The control variable changes before the motor is restarted for a following operating cycle. The value of the control variable is independently determined again for the following operating cycle. | 03-13-2014 |
| 20150048764 | GLASS OPERATION BASED ON TEMPERATURE INPUT/VEHICLE SPEED, FINAL LOGIC DECIDED BY CUSTOMER - A system and method for operating a window of an automotive vehicle having a convertible top includes at least one powered window selectively driven by a motor. A controller is operatively connected to the motor and sends a signal for positioning the powered window to one of a raised or lowered position in response to lowering of the convertible top. An input or selector is operatively associated with the controller that allows a user to select one of the raised and lowered positions of the at least one powered window in response to lowering the convertible top. Further, a temperature sensor provides a signal indicative of the external temperature and/or a vehicle speed sensor provides a signal indicative of the vehicle speed so that positioning of the window can be temperature dependent and/or vehicle speed dependent. | 02-19-2015 |
| 20150054429 | ELECTROMOTIVE DRIVE FOR FURNITURE, COMPRISING A POWER SUPPLY DEVICE - An electromotive drive for furniture, includes a power supply device, a manual control, and a control device. The power supply device has an disconnecting unit that can be controlled by means of a control line, the electrical control signal of said control line being able to be modified by a switching contact of the manual control such that, when the manual control has not been actuated, the power supply device can be switched into the “disconnection” operating state, said disconnecting unit being connected to a signal feedback arrangement of a control circuit of the power supply device and being integrated in a path of said signal feedback arrangement, or said disconnecting unit being set in, or placed on, an input path or an output path of the control device. | 02-26-2015 |
| 318285000 | Instant of, or passage or predetermined time or having time-delay means | 1 |
| 20110221364 | ROTATION CONTROL CIRCUIT OF FAN - A rotation control circuit comprises a motor-driving unit and a rotation-switching unit. The motor-driving unit is coupled to a motor of a fan. The rotation-switching unit is coupled to the motor-driving unit and has at least a charging-discharging circuit for generating a rotation control command, the rotation control command controls the motor to rotate in a forward direction for a time period when the motor starts to operate, and controls the motor to rotate in a backward direction opposite to the forward direction. | 09-15-2011 |
| 318286000 | Movement or position of motor or driven device | 6 |
| 20080297076 | Closure panel control apparatus - A controller prestores average moving speed data, which corresponds to respective corresponding positions of a window glass of a door driven by a motor at the time of the closing movement of the window glass, as learning data. The controller senses pinching of an object by the window glass based on the learning data and the speed measurement signal obtained at the time of the closing movement of the window glass. The controller senses a disturbance when the speed measurement signal obtained at the time of the closing movement of the window glass exceeds a predetermined value. The controller updates the learning data based on the average moving speed data at the time of the closing movement of the window glass. The controller controls execution and non-execution of updating of the learning data in response to a close state and an open state of the door. | 12-04-2008 |
| 20090026986 | PROTECTION METHOD FOR A REVERSIBLE ELECTRIC MOTOR - A method of protecting a reversible electric motor that includes an armature capable of rotating axially about itself between two angular end positions, the axial rotation of the armature undergoing a deceleration phase as each angular end position approaches, where the method involves determining a characteristic value of the deceleration phase, comparing this characteristic value to a predetermined threshold value, and applying a degraded operating mode when the characteristic value is far from the threshold value. | 01-29-2009 |
| 20090160373 | ELECTRIC POWER TOOL - An electric power tool “A” operates a working part | 06-25-2009 |
| 20130162180 | METHOD FOR REDUCING MOTOR TORQUE FOR WIPER DRIVES - The invention relates to a method for operating a direct wiper drive having a motor, in particular for a windshield wiper. The method comprises reading out at least one characteristic curve from a memory and operating the wiper direct drive at an angle- and direction-dependent torque, corresponding at a maximum to a value of the angle- and direction-dependent characteristic curve, wherein the characteristic curve comprises at least the following values: a first, maximum value for upward wiping at a first wiping angle between a lower turning location and an upper turning location; a second value for upward wiping at a second wiping angle between the first wiping angle and the upper turning location, wherein the second value for upward wiping at the second wiping angle is less than the first, maximum value for upward wiping at the first wiping angle; a first, maximum value for downward wiping at a wiping angle between the upper turning location and the lower turning location, wherein the first, maximum value for downward wiping is greater than the first, maximum value for upward wiping; and a second value for downward wiping corresponding to a wiper position at the second wiping angle, wherein the second value for downward wiping is greater than the second value for upward wiping. | 06-27-2013 |
| 20130207577 | WIPER DEVICE - A wiper device is provided that suppresses plastic deformation of a blade rubber of a wiper blade without wasting power of a battery installed to a vehicle. A wiper device is equipped with wiper blades that wipe a vehicle front glass, a wiper motor that swings the wiper blades in alternating between an upper turn position and a lower turn position by accompanied rotation of the output shaft, and a control unit that controls the wiper motor. In a case of the vehicle ignition switch being ON or OFF, the control unit controls the wiper motor such that from a stopped position where the wiper blades are located, the wiper blades are swung in a specific range of between a first stopping position and a second stopping position, and then stopped. | 08-15-2013 |
| 20140210382 | WIPER APPARATUSES, MOTOR VEHICLES HAVING WIPER APPARATUSES, AND METHODS FOR OPERATING WIPER APPARATUSES - Wiper apparatuses are provided herein. In one example, a wiper apparatus includes a wiper that has a wiper arm and a wiper blade. The wiper blade is mounted to the wiper arm for contact with a window of a motor vehicle. A wiper drive motor pivots the wiper arm between an out-wipe position and an in-wipe position. A controller controls operation of the wiper drive motor to cause the wiper drive motor to selectively stop the wiper blade in a standard park position when in a standard park mode and in a high park position when in a high park mode. The wiper blade in the high park position is located further up from a bottom edge of the window than in the standard park position. A wiper control switch causes the controller to toggle between the standard park mode and the high park mode when moved according to a predetermined switching sequence. | 07-31-2014 |
| 318287000 | Armature or primary circuit control | 12 |
| 20090058332 | LOCK DETECTION METHOD AND LOCK DETECTION CIRCUIT FOR MOTOR FOR POWER-FOLDING MIRROR - The present invention is intended to, when rotation of a mirror rotation unit in a power-folding mirror is mechanically locked and its drive motor is thereby locked, make it possible to correctly detect this locked state. A motor | 03-05-2009 |
| 20130278181 | Reverse Rotation of a Motor Configured for Operation in a Forward Direction - There are disclosed herein various implementations of a method and a system enabling operation of a motor in reverse. Such a method includes applying a first drive signal to begin rotating the motor in a reverse direction, the first drive signal being applied for a predetermined period of time. The method also includes using a position sensor signal for the motor to control motor drive in the reverse direction when the motor reaches a predetermined reverse speed, and operating the motor in the reverse direction. | 10-24-2013 |
| 20160149520 | MOTOR-POWERED APPARATUS AND METHOD OF CONTROLLING THE SAME - A motor-powered apparatus according to one aspect of the present disclosure comprises a motor, a drive switch, a reverse switch, and a control unit. The control unit is configured to drive the motor in a reverse direction when a drive command is inputted via the drive switch after a reverse command is inputted via the reverse switch and to drive the motor in a forward direction when the drive command is inputted again via the drive switch. | 05-26-2016 |
| 318288000 | Plural, diverse or diversely controlled armature windings | 2 |
| 318289000 | Phase-reversal | 1 |
| 20100164415 | METHOD FOR CONTROLLING POLYPHASE ROTATING ELECTRICAL MACHINE - A method for controlling a reversible polyphase rotating electrical machine, wherein at least one coil circuit is supplied through a bridge of switches, including the following steps: controlling (P | 07-01-2010 |
| 318290000 | Selectively energized windings | 1 |
| 20090284192 | ELECTRIC MOTOR WITH A PERMANENT MAGNET CARRIER ROTATING A SPROCKET - A high voltage, low current electric motor. The motor comprises a drive shaft turned by a sprocket that is driven by an assembly of electromagnets. A carrier supporting permanent magnets travels in a tubular track formed into an endless loop around the sprocket. The carrier preferably comprises a chain formed of interconnected links, each link housing a magnet. The tubular track is non-ferrous and forms a core for a plurality of coils spaced around the tube. A sequencing circuit in the motor sequentially energizes the coils to cause the carrier to circulate around the tube by repelling and attracting the magnets. Teeth on the sprocket engage the chain so that as the chain travels through the tube the sprocket is rotated. Preferably, the coils are double-wound so that a direction control circuit may be included to selectively reverse the direction of the carrier's travel. Speed control also may be included. | 11-19-2009 |
| 318291000 | Armature or primary current reversal | 7 |
| 20090153082 | Interlocking Device for Controlling Clockwise and Counterclockwise Rotation of a Motor - An interlocking device for controlling clockwise and counterclockwise rotation of a motor is connected with a clockwise rotation module and a counterclockwise rotation module at both ends thereof to form a loop by cooperating with a power-supply terminal and an earth terminal. The clockwise rotation module includes a clockwise rotation trigger switch and a clockwise rotation relay. The counterclockwise rotation module includes a counterclockwise rotation trigger switch and a counterclockwise rotation relay. By such arrangements, the loop collision caused by mis-touch can be avoided by a cross connection of the clockwise and counterclockwise rotation relays with the clockwise and counterclockwise rotation trigger switches, thus preventing the man-made careless mistake and maintaining the smoothness of the operation. | 06-18-2009 |
| 20160006375 | DEVICE FOR CONTROLLING A NOZZLE OF VARIABLE CROSS-SECTION OF AN AIRCRAFT - The invention relates to a control device of a nozzle of variable cross-section of an aircraft suitable for providing a three-phase AC electrical power supply, the nozzle of variable cross-section comprising one or more movable parts which make it possible to modify the cross-section of the nozzle, the control device comprising a system for regulation of the engine connected to a control element which drives at least one electric motor which by a mechanical transmission system creates the movement of the movable part or parts, wherein the electric motor is configured to use directly the electrical power supply of the aircraft and in that the control element comprises analogue type structure to switch the phases of the electrical power supply to modify the direction of rotation of the electric motor. | 01-07-2016 |
| 318293000 | Reversing polarity of current supplied to armature circuit | 5 |
| 20090160374 | MOTOR CONTROL DEVICE - A motor control device operable to rotate a motor based on an actuated direction of an operation knob of an operation switch in a direction corresponding to the actuated direction has direction selector switches provided corresponding to respective actuated directions of the operation knob, and open/close elements provided between the direction selector switches and a power supply. Each of the open/close elements is turned on when a control current is supplied thereto. When the operation knob is actuated, the direction selector switch corresponding to the actuated direction is turned on, a control current is supplied from the power supply to the open/close element connected to the relevant switch, and the predetermined open/close element is turned on. A drive current that flows from the power supply into the motor through a current carrying path of the open/close element is controlled according to a ON/OFF status of each of the open/close elements. | 06-25-2009 |
| 20110248655 | Switched-Mode Power Supply - A switched-mode power supply comprises a first rectifier circuit configured to generate a first rectified voltage from an AC input voltage. An inverter generates a second AC voltage from the first rectified voltage. A transformer includes a primary coil coupled to the second AC voltage and a secondary coil. A second rectifier circuit is connected with the secondary coil and generates a second rectified voltage from a third AC voltage present at the secondary coil. The second rectified voltage is coupled to a node of the switched-mode power supply and represents or correlates to an output voltage thereof. A monitoring circuit shuts off the inverter when the second rectified voltage or the output voltage exceeds a predetermined first threshold. | 10-13-2011 |
| 20120200242 | AUTOMOTIVE BIPOLAR ELECTRICAL SYSTEM - Applicant has disclosed a method and apparatus for a bipolar automotive electrical system. In the preferred “apparatus” embodiment, Applicant's bipolar electrical system comprises: two (e.g., 12 V) batteries of equal, but opposite voltage (e.g., +12 V, −12 V), with bipolar outputs; an alternator, responsive to the batteries, which controls electrical charge to the batteries individually; an automotive DC motor connected by a single lead wire to the bipolar outputs from the batteries; and, wherein the reversible motor is run off the bipolar output without the need for any intervening devices between the bipolar command outputs and the motors. Alternatively, the alternator can inherently charge the batteries sequentially with the lowest voltage battery being addressed first. This approach allows heavy loads to be powered by 24 V or 48 V DC, yet the arc voltage to ground is still only 12 V or 24 V DC. | 08-09-2012 |
| 20140246996 | CONTROL CIRCUIT FOR SPEED AND ROTATIONAL DIRECTION OF FAN - The present invention provides a control circuit for speed and rotational direction of a fan, including a signal conversion unit, a processing unit, and a drive unit. The signal conversion unit converts the received input signal into a DC level signal. The processing unit determines to generate a plurality of control signals for the fan based on the received DC level signal and at least one preset voltage therein to drive the drive unit, further controlling the rotational speed or clockwise/counter-clockwise rotation of the fan, whereby to reduce the cost and increase the layout space. | 09-04-2014 |
| 318294000 | Wheatstone bridge type | 1 |
| 20120043918 | REVERSING DISPENSER MOTOR WITH INTEGRAL RELAY - A dispensing motor apparatus includes a motor assembly for driving a dispenser, the motor assembly having a motor. The dispenser is driven by the motor. One or more relays having electrical contacts can be integrated with the motor assembly. The motor changes its direction of rotation when its polarity is switched by relay(s). Additionally, a controller can communicate with the relay(s) and the motor assembly, such that the controller permits the relay(s) to switch the position of the contacts of the relay(s) before power is turned on with respect to the motor through the electrical contacts and switch the position of the electrical contacts of the relay(s) to a default state after the power is removed from the motor through the electrical contacts. The relay(s) is subject to mechanical cycling without the contacts of relay(s) being required to perform a current switching duty. | 02-23-2012 |
| 318296000 | Field circuit control | 1 |
| 318300000 | Field-circuit current reversed | 1 |
| 20100127645 | ELECTRICAL FULL BRIDGE CIRCUIT CONFIGURATION - An electrical full bridge circuit configuration having a bridge circuit, in the bridge branches of which electrical switch elements are situated, and having at least one bridge cross branch for connecting an electric motor that is switchable in its direction of rotation, in particular in an electrical system of a motor vehicle, and having a protective switch element for protecting against inadmissibly high electrical currents, in particular short circuit currents. For this purpose, the switch elements are provided as formed from switch contact elements of at least one relay. | 05-27-2010 |
