Matches 1 - 18 out of 18


Match Document Document Title
US20150229260 Generating Heat in a Movable Barrier Operator  
A movable barrier operator apparatus having a motor and a control system is disclosed. The motor is configured to couple to a movable barrier. The control system is configured to cause the motor...
US20060055273 Screening assay based on rhe sod-3 promotor for the identification of compounds modulating akt or upstream regulators such as insulin igf-1 receptors  
A traction system for lifts, escalators, moving walkways and aerogenerators, provided with an asynchronous motor with squirrel cage rotor with low start-up current and high performance, and an...
US20080277885 Wiring-Free, Plumbing-Free, Cooled, Vacuum Chuck  
A solar cell production system utilizes self-contained vacuum chucks that hold and cool solar cell wafers during transport on a conveyor between processing stations during a fabrication process....
US20100147039 DEVICE AND METHOD FOR SENSING TEMPERATURE OF A ROTATING ELECTROMAGNETIC MACHINE  
A system and method of determining the temperature of a rotating electromagnetic machine, such as an electric motor or generator. A temperature calibration parameter is calculated based on the...
US20060202657 Voltmeter relay with improved terminal coupling  
The present innovation relates to a voltage sensitive relay or starter relay for single-phase electric motors, in particular compressor motors, characterised in that it includes improved means of...
US20070216244 Motor with rotor supporting windings  
The present invention relates to the use of stator windings of an induction machine to provide both rotation of the rotor and active rotor positioning within the stator frame by modification of...
US20070024229 Control Loop Performance using a Variable Speed Drive as the Final Control Element  
An AC electronic variable speed drive unit is used to power an AC induction motor that drives a centrifugal pump at controlled speeds for controlling the flow of a fluid process. The feedback loop...
US20060273686 Hub motors  
The present invention discloses small compact motor systems which may be located inside a vehicle drive wheel, and which allow a drive motor to provide the necessary torque with reasonable system...
US20140139174 METHOD FOR ESTIMATING A FREQUENCY OF A HARMONIC IN AN AC CURRENT PASSING TO/FROM AN AC MACHINE  
A method for estimating a frequency of a harmonic in an AC current passing to/from an AC machine. The method includes observing an AC current passing to/from an AC machine that includes a stator...
US20080309205 Clean engine  
A clean engine for transportation, generators, and other applications. It comprises a series of alternating support wheel assemblies and magnet wheel assemblies that are propelled in a consistent...
US20080169717 Motor  
A motor includes: a stator (12) having coils; a rotor (11), which is disposed inside the stator and has a plurality of magnets; and a magnetic path switching part (18), which is provided in the...
US20060138992 Motor controller and out of control detecting method  
A problem to be solved by the present invention is to provide a motor controller capable of enhancing the safety of a crane, or the like, by accurately detecting a control deviant state within a...
US20080275611 METHOD AND APPARATUS TO DETERMINE ROTATIONAL POSITION OF AN INTERNAL COMBUSTION ENGINE  
A control system for a hybrid powertrain which determines engine crank angle position based upon signal inputs from electric machines of the powertrain is provided. The hybrid powertrain comprises...
US20100231159 Power Conversion Device  
A power conversion device includes a converter that converts AC power to DC power, a converter controller that controls an output voltage of the converter, an inverter that converts the DC power...
US20060145649 Control method and controller for ac motor  
The present invention provides a control method and a controller for an AC motor in which the AC motor can be continuously operated without using a device for returning a regenerative resistance...
US20090284211 METHOD AND APPARATUS FOR ESTIMATING INDUCTION MOTOR ELECTRICAL PARAMETERS  
A method and apparatus to provide estimates of electrical parameters for line-connected induction motors during either steady-state or dynamic motor operations. The electrical parameters are...
US20150249612 Enhanced Motor Drive Communication System and Method  
In some embodiments, a motor drive system includes a communication subassembly electrically coupled to a control subassembly for providing communication between the control subassembly and at...
US20160197640 MOTOR DRIVE SYSTEM AND METHOD  
A system and a method for driving an electrical motor with a drive unit including a wireless transceiver. A user may wirelessly couple a user input device with the transceiver, and use a drive...

Matches 1 - 18 out of 18