| Patent Number |
Title Of Patent |
Date Issued |
| 6987372 |
Integrated DC link choke and method for suppressing common-mode voltage in a motor drive |
January 17, 2006 |
| A motor drive and a choke therefor are disclosed, wherein the choke comprises a magnetic core with an inner leg and two outer legs, and four coils, which may be connected in DC current paths in the motor drive. First and second differential coils are wound around first and second out |
| 6987235 |
Redundant switch having torsional compliance and arc-absorbant thermal mass |
January 17, 2006 |
| A switch is provided that is of the type that may be installed in a contact block engaging a pushbutton operator via a latch assembly. The switch includes a spanner that engages a pair of terminals, each having a pair of contacts. The outer ends of the spanner are wider than the cent |
| 6985342 |
Linearly adjustable logarithmic output current sensing resistance system and method |
January 10, 2006 |
| A resistance network is provided for synthesizing a non-linear logarithmic response in the resistance of the network comprising a potentiometer from the change of the resistance of the potentiometer. The network additionally comprises a set of resistors. The potentiometer allows the |
| 6982873 |
Compact vehicle drive module having improved thermal control |
January 3, 2006 |
| An electric vehicle drive includes a thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support, which may be controlled in a closed-loop manner. Interfacing between circuits, cir |
| 6982533 |
Method and apparatus to regulate loads |
January 3, 2006 |
| A method and apparatus for use with a controller for controlling a machine wherein a torque reference value is provided, the method for identifying an error representative of the difference between the torque reference value and the torque applied to the machine and using the error value |
| 6981423 |
System and method for sensing torque on a rotating shaft |
January 3, 2006 |
| A system and method relating to the measuring of torque in a rotating shaft is provided. An optical torque sensing system comprises a rotating shaft, wherein a sleeve of photo-elastic material overlays a portion of the shaft. A light emitting component delivers light into the photo-e |
| 6980201 |
Minimum move touch plane scanning method and device |
December 27, 2005 |
| A method of determining a type of touch plane operator input device comprises sensing the impedance across first and second terminals of a touch plane operator input device to distinguish the touch plane operator input device as being one of at least two different types of touch plane |
| 6978225 |
Networked control system with real time monitoring |
December 20, 2005 |
| A technique for monitoring operational parameters of networked components includes storing data within each component descriptive of the component. The data is polled by a monitoring station and provides a basis for monitor views compiled in real time. The monitor views provide a view of |
| 6975256 |
Adjustable gain precision full wave rectifier with reduced error |
December 13, 2005 |
| A circuit is provided for rectifying and amplifying an AC input waveform to optimize the dynamic range of downstream circuitry, such as an analog-to-digital converter. The circuitry includes an inverting amplifier and a non-inverting amplifier. The inverting amplifier includes a sele |
| 6975193 |
Microelectromechanical isolating circuit |
December 13, 2005 |
| Microelectromechanical (MEMS) switches are used to implement a flying capacitor circuit transferring of electrical power while preserving electrical isolation for size critical applications where transformers or coupling capacitors would not be practical. In one embodiment, the inven |
| 6974922 |
Rotary service switch for the interior of electrical enclosures having a disconnect switch |
December 13, 2005 |
| A rotary switch assembly for mounting on a disconnect switch (10) in an electrical enclosure (26) includes a base (50) and a rotor (60) which is rotatably coupled to the base (50). The rotor (60) is first axially depressed and then rotated to switch the disconnect switch (10) to the |
| 6972957 |
Modular power converter having fluid cooled support |
December 6, 2005 |
| A support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both external EMI/RFI and from interfere |
| 6969810 |
Electric key switch with key sensing and ejection |
November 29, 2005 |
| An electrical key switch provides a sensing of inserted keys and an ejector mechanism preventing parking of the key in a partially inserted position within the key switch. |
| 6967454 |
Monitoring apparatus and method for monitoring a pole circuit of an electrical power converter |
November 22, 2005 |
| An apparatus monitors performance of a power inverter to detect malfunctions. A first signal indicates the direction that electric current exists between a first voltage bus and an output terminal of the power inverter. A second signal indicates the direction that electric current ex |
| 6965514 |
Fluid cooled vehicle drive module |
November 15, 2005 |
| An electric vehicle drive includes a support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both |
| 6958694 |
Multi-angle viewable indicator apparatus |
October 25, 2005 |
| An indicator apparatus facilitates visibility of one or more indicators from multiple angles. The apparatus includes a housing having an outer sidewall portion. The sidewall portion, for example, has a first side extending between two adjacent sides. One or more elongated slots are f |
| 6957974 |
System for providing data and power signals to networked devices |
October 25, 2005 |
| A connector system is provided in which a branch connector may be secured in a pre-wired power and data network. The branch connector is designed to interface with existing network connections to provide at least one additional interface point for added or temporary devices. The connecto |
| 6956742 |
Compact liquid converter assembly |
October 18, 2005 |
| An electronic converter assembly comprising first and second liquid cooled heat sink members, each sink member having at least one sink mounting surface, first and second pluralities of power switching devices, each switching device including connection terminals, the first and second |
| 6952089 |
Motor drive with voltage-accurate inverter |
October 4, 2005 |
| Improved voltage stiffness in the output voltage of an inverter used for a motor drive is obtained by a minor voltage feedback loop connecting the output of the inverter to a three-phase input in a vector domain. |
| 6950193 |
System for monitoring substrate conditions |
September 27, 2005 |
| A system for determining at least one condition of a substrate includes an optical waveguide for transmitting light from a light source. The optical waveguide can be embedded in the substrate and operatively coupled to an interferometric system. The interferometric system is operatively |
| 6949997 |
Bi-stable trip-free relay configuration |
September 27, 2005 |
| A relay reset assembly for use with a relay including first and second support members and a bi-stable armature forming an armature bearing surface and carried by the first support member for pivotal movement between first and second stable positions when force is applied to the arma |
| 6948381 |
System and method for sensing torque on a rotating shaft |
September 27, 2005 |
| A system and method relating to the measuring of torque in a rotating shaft is provided. An optical torque sensing system comprises a rotating shaft, wherein a sleeve of photo-elastic material overlays a portion of the shaft. A light emitting component delivers light into the photo-elast |
| 6948059 |
Component loader for industrial control device providing resource search capabilities |
September 20, 2005 |
| The installing of components into an industrial computer observes a pulling paradigm in which a required resource list associated with each component is reviewed against resources in the target-industrial control device. Missing resources are obtained through a searching process that may |
| 6943537 |
Magnetic flux sensor and method |
September 13, 2005 |
| A device comprises a first magnetically conductive structure, a second magnetically conductive structure, and a circuit coupled the first and second magnetically conductive structures. The circuit senses information pertaining to a permeability of the first magnetically conductive st |
| 6940715 |
Modular power converter having fluid cooled support |
September 6, 2005 |
| A support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both external EMI/RFI and from interfere |
| 6940516 |
Method and apparatus for video underflow detection in a raster engine |
September 6, 2005 |
| An improved raster engine adapted to render video data from a frame buffer to one of a plurality of disparate displays is disclosed which comprises apparatus for detecting one or more video underflow conditions. The raster engine includes a first in first out (FIFO) memory, which obtains |
| 6940276 |
Sensor for power clamp arm |
September 6, 2005 |
| A sensor for measuring a clamp arm position in a power clamp provides a sensor wheel that may fit beneath the clamp arm. A low profile sensor body abuts an edge of the sensory wheel to detect the sensor position without undue change in the power clamp or clearance about the power clamp. |
| 6940021 |
Zero space component adapter for rail mounted terminal block relays |
September 6, 2005 |
| An in-plane fuse adapter provides a thin housing that may be received by a standard terminal block to present side surfaces conforming substantially to the width of the terminal block relay allowing other terminal blocks to be closely abutted to the left and right side of the terminal bl |
| 6937812 |
Multiple viewing angle cover having integral light pipe |
August 30, 2005 |
| An electronic device using total internal reflection to guide light from a light source housed within the electronic device to the surface of the device. The electronic device has a cover secured to a protective housing to form a protective enclosure for the electronic device. The cover |
| 6937450 |
Grounded isolation system |
August 30, 2005 |
| A system for electrically isolating and indicating electrical isolation of a machine including a plurality of relays which cooperate to, when electrical isolation is selected, ground voltage input lines to the machine thereby ensuring that no power is provided to the machine during o |
| 6937011 |
Detector for magnetizable material using amplitude and phase discrimination |
August 30, 2005 |
| A detector for magnetizable materials operates remotely to determine a amplitude and phase modification of an exciting magnetic field caused by the magnetizable materials. These amplitude and phase measurements are used to create a phase-amplitude trajectory in phase amplitude space, |
| 6931289 |
Language structure for autonomous cooperative control system |
August 16, 2005 |
| In an autonomous cooperative control system a job description of job steps is drafted in a scripting language and compared to corresponding machine steps associated with each independently controlled machine also drafted in the same scripting language for simple comparison and generation |
| 6931288 |
User interface and system for creating function block diagrams |
August 16, 2005 |
| A controller configuration system and user interface therefor are disclosed for creating and editing controller function block diagrams for use in control systems. The interface provides feedback loop identification features, wire connection cross-referencing and hyperlinks, wire connect |
| 6920800 |
Method for determining inertia of an electric motor and load |
July 26, 2005 |
| The present method can determine the inertia of an electric motor and the load driven by the electric motor in situations where the electric motor accelerates or decelerates in a non-linear manner. During acceleration and deceleration, the torque produced by the electric motor is sampled |
| 6916194 |
Modular electrical device with improved seal |
July 12, 2005 |
| A modular electrical device and/or module for same with improved sealing is disclosed. The device comprises a base comprising at least one mounting location comprising first and second electrical base connectors. The module comprises first and second electrical module connectors that are |
| 6915444 |
Network independent safety protocol for industrial controller using data manipulation techniques |
July 5, 2005 |
| A highly reliable industrial control system is produced using a network running a standard serial protocol on two redundant messages. A safety protocol is embedded within the standard serial protocol by adding to special error detecting data redundant with the protocol of the standard |
| 6914914 |
System and method for multi-chassis configurable time synchronization |
July 5, 2005 |
| Systems and methods are disclosed for time synchronization of operations in a control system. Synchronization networks and devices are provided for transferring synchronization information between controllers in a distributed or localized control system, which is employed in order to |
| 6912678 |
System for identifying valid connections between electrical system components and responding to |
June 28, 2005 |
| A method and circuitry for ensuring proper connections of a multi-wired cable bridging two electrical components in a programmable logic controller (PLC) system. The method involves: generating a pre-specified voltage level when the cable is properly connected, testing for the existe |
| 6909923 |
Safety communication on a single backplane |
June 21, 2005 |
| Safety level error detection comparable to that provided by redundant wired safety relays is obtained on a backplane of a programmable logic controller or the like by a combination of error detection methods that in sum provide the requisite level of error detection required without |
| 6909614 |
Power backplane for power electronic devices |
June 21, 2005 |
| A multi-layer power backplane system is disclosed for use with various power electronic and other systems. The power backplane includes multiple mechanical, conductor and isolation layers which serve to route power to and from various components. The layers are isolated from one another |
| 6909607 |
Thermally matched fluid cooled power converter |
June 21, 2005 |
| A thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. Power electronic circuits are thermally matched, such as between component layers and between the circuits and the |
| 6906491 |
Motor control equipment |
June 14, 2005 |
| A motor controller is provided including a synchronous motor, a feed back detector for detecting the position and velocity of the rotor of the synchronous motor, a detector for detecting a magnetic pole position of the rotor of the synchronous motor, an inverter for controlling an el |
| 6901316 |
Electrical control system configuration method and apparatus |
May 31, 2005 |
| A technique for configuring programmable, networked electrical components of a system includes downloading data into each component from a configurator, based upon a database for the system. The components include memory objects which are designed to store data descriptive of the system, |
| 6901298 |
Saving and restoring controller state and context in an open operating system |
May 31, 2005 |
| The present invention relates to a system and methodology for saving and restoring controller state and context in an industrial controller. In an aspect of the invention, the industrial controller has a memory module having at least RAM and flash memory. Savings of the state and context |
| 6898483 |
Driver board control system for modular conveyor with address-based network for inter-conveyer c |
May 24, 2005 |
| A method and control system are provided for controlling a modular conveyor system, which may be networked together with other such systems in order to implement a control strategy for a modular conveyor system. The control system comprises a communications port for interconnection of th |
| 6898072 |
Cooled electrical terminal assembly and device incorporating same |
May 24, 2005 |
| A terminal structure provides interfacing with power electronics circuitry and external circuitry. The thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the terminal structure and the circuits through fluid circulating through th |
| 6891850 |
Network independent safety protocol for industrial controller |
May 10, 2005 |
| A highly reliable industrial control system is produced using a network running a standard serial protocol. A safety protocol is embedded within the standard serial protocol by adding to special error detecting data redundant with the protocol of the standard serial network. In addition |
| 6888267 |
Battery backed memory with low battery voltage trip, disconnect and lockout |
May 3, 2005 |
| A memory system having power backup having memory circuits that may be set to a low power mode by means of volatile control registers, disconnects the memory circuits from the battery when low voltage conditions are detected so as to prevent reversion of the memory circuits to high curre |
| 6885553 |
Bus bar assembly for use with a compact power conversion assembly |
April 26, 2005 |
| An electronic converter assembly comprising a first heat sink member having at least a first mounting surface and a length dimension, a plurality of power switching device modules wherein each module includes at least four separate power switching devices, the modules mounted to the firs |
| 6883132 |
Programmable error checking value circuit and method |
April 19, 2005 |
| An arbiter system comprises a plurality of hardware resources, a common resource, and an arbiter. The plurality of hardware resources are divided into groups of hardware resources and are coupled to the common resource and the arbiter. The arbiter controls which of the plurality of hardw |
