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Document Title |
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7560887 |
Control and power module for a rotating electric machine
A control and power module for a rotating electric machine comprising a bridge of switches, a plurality of driver circuits for driving a bridge of switches, a control circuit and a plurality of...
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7504784 |
Motor driving apparatus of washing and drying machine
With the use of three inverter circuits controlled by a single processor, the controller of the motor-driving apparatus provides a rotation drum-driving motor, a compressor-driving motor and a blow...
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7468587 |
All wheel drive vehicle
The present invention relates to the field of electric-motor-driven vehicles such as cars, motorcycles, scooters, electric-motor trains, etc. Embodiments of the invention seek to provide an...
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7391173 |
Mechanically decoupled capstan drive
A capstan drive includes a first capstan that moves a device on a carriage and a second capstan that receives a second rotary motion to move the carriage. A first power transmission has a driven...
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7298111 |
Method and device for controlling a production unit
A method and a device for controlling a production unit in a production installation are specified, controlling referring to the controlling and monitoring of speeds of rotation or angles of...
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7161319 |
Movable barrier operator having serial data communication
A wall control unit for a movable barrier operator sends baseband signals over a wire connection to a head unit of a movable barrier operator to command the movable barrier to perform barrier...
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7145301 |
Battery operated industrial truck
A battery operated industrial truck with at least one first motor and at least one second motor, which are operated by one electric control or regulation device for each motor, which are realised...
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7034481 |
Power transmission device for hybrid vehicle
To provide a power transmission device that can increase the range of speed variation between an engine and a power output shaft and effectively achieve reduction in size and cost of the device...
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6903522 |
Simple load-driving circuit capable of driving plural loads according to given priority order
A load-driving circuit capable of driving a plurality of loads based on a priority order endowed therewith is provided. The load-driving circuit comprises a first load 3 , a first driving switch ...
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6891342 |
Drive apparatus for PWM control of two inductive loads with reduced generation of electrical noise
A drive apparatus for driving two motors by PWM control of respective switching elements connected to the motors, whereby respective control signals are applied to the switching elements such that...
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6856106 |
H-bridge apparatus and method
An apparatus has a first H-bridge having a first motor contact on a shared first side and a second motor contact on a second side. The apparatus also has a half H-bridge having a third motor...
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6815920 |
Motor driver and system with phase-spaced redundancy
A controller for a motor is provided. The motor includes N redundant M-phase rotor/stator combinations (where N and M are both integers greater than 1). The controller includes N driver circuits...
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6798497 |
Lithographic projection apparatus, device manufacturing method, device manufactured thereby, and measurement method
A lithographic projection apparatus includes a first object table configured and arranged to hold a patterning structure capable of patterning a projection beam of radiation according to a desired...
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6737778 |
Pulley driving system
A rotary electromechanical device includes a first motor including a first stator and a first rotor, a second motor including a second stator and a second rotor, and variable power supplies for...
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6686712 |
Motor network control system
A motor network control system is provided which is capable of reducing the wiring length of a power cable and in which upon replacement of a motor or an inverter of a specific motor unit, no...
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6624605 |
Method, system and apparatus for opening doors
An improved garage door opener is disclosed. The garage door opener has a motor drive unit for opening and closing a garage door. The motor drive unit has a microcontroller. Connected to the motor...
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6614196 |
Vehicle with running mechanism and lifting mechanism
A vehicle, in the form of a forklift truck, includes a running mechanism, a work mechanism, a master unit, a slave unit, and a communication interface. The running mechanism is used for running of...
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6609035 |
Adaptive motion controller
An adaptive motion controller for driving a servo motor. The adaptive motion controller includes a computer control module which stores information for configuring an amplifier to a specific servo...
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6513763 |
Mode-conversion method for model railroad decoders
A method and apparatus to allow compatible speed operations and physical coupling of decoder equipped locomotives to locomotives without decoders when operating on conventional track power. The...
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6404150 |
Accessory motor drive power supply system for an electric vehicle
An electric vehicle accessory motor drive power supply system ( 40 ) that utilizes a single power supply design to provide efficient variable speed motor control to both brushless and brush-type DC...
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6307346 |
Induction motor load limiting for power steering applications
A power steering system and induction motor load compensation algorithm or processing method for use in a vehicle. The power steering system comprises a power supply, a power steering motor, a...
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6281645 |
Motor control system and image forming apparatus using the same
A motor control system includes a processor having a clock output terminal for outputting clock pulses in desired cycles, a plurality of motors, and a plurality of motor drivers which are provided...
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6281643 |
Stage apparatus
A stage apparatus for moving a table, on which a work is carried, of a semiconductor producing equipment or the like on a base by way of a driving shaft and positioning the table at a predetermined...
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6157159 |
Stage system and exposure apparatus using the same
A stage system includes a stage movable along a path, a first driving mechanism for accelerating or decelerating the stage on the basis of a resilience force of a resilient member, a first holding...
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6157148 |
Contactorless multi-motor controller for battery-powered vehicles
A contactorless multi-motor controller is described which comprises a contactorless pump motor starter and a contactorless, reversible traction motor controller. The two controllers are mutually...
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6105696 |
Electric vehicle with combined motors of multistep power outputs
An energy-saving and high-efficiency electric vehicle which uses a set of accumulator batteries as a power source and is driven by multiple motors of different powers, each motor having its own...
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6028404 |
Motor drive circuit system utilizing multiple DC power driving devices switchable between parallel, and series/parallel combinations
At least two components that use DC power to drive at least two motors, such as DC armatures, field windings, etc., collectively referred to as DC driving devices, are connected together by...
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6028403 |
Vehicle control apparatus
The present invention provides a downsized vehicle control apparatus which is capable of controlling two DC separately excited motors. An armature of a first motor, an armature of a second motor...
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5994861 |
Servo system
In a servo system having a controller such as a numeric controller for multi-axes control and a plural number of drive-unit-built-in servo motors, a branching circuit (2) is provided between the...
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5969492 |
Instruction broadcast by sensor
The network (N) links control modules (CM) of a device (M) on the basis of a common instruction and of a quantity measured by a sensor (S) associated with a measurement module (MM). The instruction...
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5936312 |
Power output apparatus and method of controlling the same
The object of the present invention is to carry out control and enable an engine to output a desired power, thereby preventing unexpected charge or discharge of storage battery means. A power...
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5898280 |
DC shunt (or compound) motor pair capable of synchronous operation
A pair of DC motors, each having a shunt-connected field winding, are interconnected such that current supplied to the shunt field winding of one of the motors is proportional to the armature...
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5796220 |
Synchronous drive system for automated textile drafting system
An automated drafting system particularly suitable for drafting textile strands of sliver is provided. The automated drafting system includes a synchronous drive sliver drafting roller system...
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5785244 |
Method and system for automatically controlling an automotive HVAC unit
A method and system for automatically controlling a heating, ventilating, and air conditioning (HVAC) unit of a vehicle includes multiple electric motors for actuating multiple respective doors...
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5773939 |
Command control for model railroading using AC track power signals for encoding pseudo-digital signals
Apparatus and methods are disclosed for transmitting very fast digital DC signals over the track for remote control in a model railroad layout, by selecting positive and negative lobes from the...
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5701062 |
Pulsing control for an inertial drive system for a multi-motor binary array vehicle
A pulsing drive system delivers pulsed power signals to the driven wheels of a vehicle for improving the efficiency internal combustion or an electric motor driven vehicles. A controller receives...
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5619111 |
Motor control system for controlling the operations of a plurality of servo motors
Functional element units are fixedly mounted on a circuit board, and unit-side connectors are electrically wired to base-board-side connectors. A predetermined wiring circuit has been formed on the...
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5559415 |
Integrator management for redundant active hand controllers
A redundant active hand controller system has first and second motors connected to a common shaft. A compensator which differentiates a motor command signal from a first proportional and integral...
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5440217 |
Drive mechanism for automated flow measuring device
A drive system for a probe of the type containing a first tubular housing within a second tubular housing which first tubular housing is advanced into and retracted from a conduit to take...
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5426353 |
Synchronous motor system employing a non-synchronous motor for enhanced torque output
A rotary actuator derives its power from a synchronous motor preferably of the AC type providing constant output speed, and from a non-synchronous motor, preferably of the DC type, in a helper...
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5420485 |
Uncoordinated machine initialization system and method
A system and method for initializing a plurality of mechanical elements of a machine includes a plurality of housings and an uncoordinated motion controller. The housings are coupled to the...
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5373495 |
Disk playback apparatus
A disk playback apparatus designed such that the linear velocity of the disk is stabilized during a short period corresponding to one to several revolutions of the disk and occurrence therein of...
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5352965 |
Container crane driving control system
A container crane driving control system having a main hoisting mode, a travel mode, a boom hoisting mode and a trolley mode comprises a first inverter main circuit unit, a first inverter control...
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5345154 |
Electric continuously variable transmission and controls for operation of a heat engine in a closed-loop power-control mode
A heat engine operates an alternator that supplies electrical power to an electric continuously variable transmission for driving at least one ac motor through a differential to multiple wheels or...
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5321344 |
Control circuit for model railroads
A control circuit for a model railroad utilizes a digital counter to control the modes of motor operation. To select a mode of operation a switch is used to repeatedly ground the base of a...
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5250882 |
Sunshade open/close control devices for vehicular sun roofing apparatus
A vehicular sun roofing apparatus including a roofing panel (3) for tilting up and sliding and a sunshade member (4) for sliding is provided to open/close an opening (2) formed on a vehicular roof...
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5248922 |
Multi-DSP, multi-functional motion controller
A motion controller, which is adaptable to a variety of different motors, provides motor control signals to the motors of a multi-axis coordinated system as a function of position and velocity...
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5212430 |
Control system for a machine tool or a robot
In a numerical control system for controlling a machine tool or a robot, control loops that are not used for the control of drive systems of the tool or robot are utilized to actuate other digital...
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5182498 |
Spring return rotary actuator
A rotary actuator uses a two degree of freedom gear train with three torque members to provide torque to the output element from a first torque member. The torque is supplied to a second torque...
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5153485 |
Biaxial rotary drive unit
A biaxial rotary drive unit drives an antenna Ant on a vehicle for rotation in both azimuthal and elevational directions. A first axis Y represents a vertical axis, and an azimuth turntable 120 is...
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