Patents Represented by Attorney, Agent or Law Firm Alexander M. Gerasimow
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Patent number: 6710697Abstract: A switching apparatus is provided for a fuse block that is disposed in a cabinet. The switching apparatus enables a user to connect and disconnect the fuse block from its power source when the interior of the cabinet is accessed. Locking mechanisms are provided to prevent the power supply from being reconnected to the fuse block 50 until cabinet door is closed, and the switching apparatus is turned on.Type: GrantFiled: November 18, 2002Date of Patent: March 23, 2004Assignee: Rockwell Automation Technologies, Inc.Inventor: Theodore John Houck, III
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Patent number: 6711527Abstract: A monitoring and protection system includes monitoring modules that are positioned proximate to locations of interest in a machine system where dynamic operating conditions are monitored. The monitoring modules may be configured to communicate with other modules via an open industrial data exchange protocol. The monitors are also configured to control the operative state of a component such as a relay circuit, either integrated into the monitoring module or provided in a separate relay module. Extremely rapid and versatile response is attained through implementation of a local control loop for control of the state of the relay circuit, which may be complemented by a remote loop that includes a remote monitoring or control system for response to different inputs or conditions.Type: GrantFiled: May 13, 2002Date of Patent: March 23, 2004Assignee: Entek IRD International CorporationInventors: David J. Bibelhausen, Patrick F. Carle, Dan R. Shupe, Kevin E. Kramb, Donn V. Stoutenburg, Chien-Tan Lien
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Patent number: 6705008Abstract: A system and method for sleeving a lead wire of a stator is provided. The stator includes a metal core and a plurality of lead wires extending from the metal core for providing electrical power and control signals to the stator. A gathering system is used to group the lead wires together. The lead wires are then separated and positioned by a separating system. Next, a single lead wire is secured with a grasping system and extended forward to an x, y, and z position in space. A sleeving system, fitted with an appropriately sized sleeve, is then guided along the lead wire so as to thread the sleeve with the lead wire. The stator or sleeving system is then rotated to sleeve another lead wire.Type: GrantFiled: November 21, 2000Date of Patent: March 16, 2004Assignee: Reliance Electric Technologies, LLCInventor: Charles Requet, III
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Patent number: 6704668Abstract: A monitoring and protection system is provided which is highly modular and expandable. The system is based upon individual monitoring modules which may be associated with one another in groups at locations or points along a machine system where dynamic operating conditions are to be monitored and controlled. The individual modules communicate between themselves, and with remote modules, via an open industrial data exchange protocol. The modules are thus freed of the need for a backplane or other backbone for mounting and communications purposes. Any number of modules may be positioned at the points of interest along the machine system, from as few as a single module to a large group of modules, with the entire system being expandable and contractible according to the design needs based upon the open industrial data exchange protocol.Type: GrantFiled: May 13, 2002Date of Patent: March 9, 2004Assignee: Entek IRD International CorporationInventors: David J. Bibelhausen, Patrick F. Carle, Dan R. Shupe, Kevin E. Kramb, Donn V. Stoutenburg, Chien-Tan Lien
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Patent number: 6703809Abstract: A method and apparatus for estimating flux angle position in an induction machine, the method including the steps of providing high frequency injection voltage signals to a three-phase motor, obtaining frequency feedback signals from machine supply lines, converting the feedback signals to two-phase stationary high frequency signals, converting the stationary signals to synchronous signals using a high frequency angle estimate, negating one of the resulting synchronous signals, stepping up the negated signal to generate a low frequency spectrum signal, adding the low frequency spectrum signal and the high frequency injection signal to generate a combined spectrum signal and integrating the combined spectrum signal to generate the high frequency angle estimate, dividing the low frequency spectrum by a system specific DHN to generate a stator frequency estimate and integrating the stator frequency estimate to generate the flux angle estimate.Type: GrantFiled: March 5, 2002Date of Patent: March 9, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Semyon Royak, Russel J. Kerkman, Mark M. Harbaugh
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Patent number: 6700081Abstract: A fuse block having a rotary operator communicating with a door-mounted knob provides a sensor arm on the rotary operator for engaging the door handle to detect closure of the door. A slider may actuate a set of plates capturing a swing arm attached to the rotary operator preventing inadvertent movement of the rotary operator when the door is open.Type: GrantFiled: November 18, 2002Date of Patent: March 2, 2004Assignee: Rockwell Automation Technologies, Inc.Inventor: Theodore John Houck, III
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Patent number: 6701198Abstract: A highly reliable industrial control system is produced such as may use a standard network for configuration by symmetrically transmitting configuration data to intercommunicating controller components. The configuration data provides a unique identification to each component to reduce the possibility of misdirected messages and provides the protocols to be used by the components reducing the chance of garbled messages. The two components trade configuration data prior to communicating to ensure that they have the correct party.Type: GrantFiled: September 21, 2000Date of Patent: March 2, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Kerry W. Vandesteeg, David A. Vasko, Joseph A. Lenner, Kenwood H. Hall
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Patent number: 6701462Abstract: A method and apparatus are provided which allow a user to define an output device behavior in a variety of status and/or event circumstances via creating a binding or logical connection between a logic function and one or more status/event indicators. The method provides for user-defined output behavior through linking a logical function with system and module status/event indicators, whereby the output value may be determined according to the status/event indicators and user-defined function blocks. Also disclosed is an output device with an output providing an output signal according to an output value, a communication interface adapted to receive messages from a network, an indicator adapted to receive message information from a network and providing indicator data, and a logic unit which receives message information from the network, indicator data from the indicator, and which performs a logic function.Type: GrantFiled: May 19, 2000Date of Patent: March 2, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Gregory A. Majcher, Steven P. Blech, John P. Caspers
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Patent number: 6701480Abstract: A system for providing error check and correction (ECC) is provided. The system includes an ECC interface for storing ECC codes in a first memory system and storing data in a second memory system. The ECC interface corrects errors in the data received from the second memory system utilizing the ECC codes received from the first memory system. The ECC interface asserts at least one error flag upon detecting errors in the data, and a processor monitors the at least one error flag and corrects the data stored in the first memory system.Type: GrantFiled: March 8, 2000Date of Patent: March 2, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Dave Karpuszka, Ron Schultz, Ken Hall
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Patent number: 6701258Abstract: A system for monitoring and protection machine systems includes multiple monitoring modules positioned proximate to points of interest in the machine system where dynamic operating conditions are monitored. The monitoring modules, which may communicate with one another via an open industrial data exchange protocol, include user-configurable voting logic for controlling or protecting the machine system based upon the monitored conditions. The logic of the modules is interdependent such that certain of the responses will or will not be taken unless combined conditions occur as defined by the voting logic of multiple modules.Type: GrantFiled: May 13, 2002Date of Patent: March 2, 2004Assignee: Entek IRD International CorporationInventors: Kevin E. Kramb, David P. Trumpy, Patrick F. Carle
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Patent number: 6701214Abstract: 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 the control system with a network for sending outgoing addressed data to other devices on the address-based network and for receiving incoming addressed data from other devices. The control system further comprises a logic system, which may receive a signal from an object sensor and provide a control signal or output adapted to control activation of a motorized roller assembly, based on an input signal from the object sensor or the communications port. The logic system may provide for single step operation whereby system troubleshooting may be facilitated, and in addition may provide situation aware and output value source selection functionality.Type: GrantFiled: December 5, 2002Date of Patent: March 2, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Wayne Wielebski, John P. Caspers, Gregory A. Majcher, Steven P. Blech
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Patent number: 6687257Abstract: A communication function for connecting, via a network, distributed hardware in a distributed control system, prioritizes the queuing of messages on the network according both to a message priority established by the user and the context of the task and according to a deadline period by which the task must be executed. In this way, the normal queuing of messages for a communication network does not defeat the guarantee of the completion time of the execution of tasks. The same scheduling method may be used for the tasks themselves.Type: GrantFiled: September 30, 1999Date of Patent: February 3, 2004Assignee: Rockwell Automation Technologies, Inc.Inventor: Sivaram Balasubramanian
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Patent number: 6686730Abstract: A method and apparatus for sensing magnetic field flux formed by current passing through a conductor, the apparatus comprising a rigid magnetically permeable core extending between facing first and second ends and formed about a conductor receiving space, the first and second ends forming first and second guide couplers, respectively, and defining a mounting gap therebetween having a mounting gap dimension, a resilient clip member including first and second clip couplers at oppositely facing first and second edges, respectively, the first and second guide couplers operably receiving the first and second clip couplers, respectively, to mount the clip within the mounting gap with a sensing space formed on a first side of the clip member between the first and second ends and a magnetic flux sensor mounted to the first side of the clip member substantially within the sensing space.Type: GrantFiled: June 11, 2002Date of Patent: February 3, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Richard Marasch, Jeff Annis, Bob Rushmer
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Patent number: 6686672Abstract: A modular emergency stop device including a switch unit and a control unit. The switch unit includes a switch which converts from a normal state to an emergency state when an emergency stop is necessary and a housing for the switch. The control unit includes a controller which controls a power source for a machine and a housing for the controller. The switch unit's housing and the control unit's housing are adapted to be selectively coupled together and uncoupled from each other. The switch is operably coupled to the controller when the housings are coupled together whereby the controller may appropriately control the machine's power source when the switch is converted to the emergency state. To replace the switch, the switch's housing is uncoupled from the controller's housing to remove the switch unit and a new switch unit is coupled to the controller's housing.Type: GrantFiled: September 28, 1999Date of Patent: February 3, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Paul C. Brown, Kevin M. Zomchek, Homer S. Sambar
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Patent number: 6674014Abstract: The present technique provides a technique for electrically wiring devices using insulation displacement. The technique arranges a plurality of insulation displacement members in wedge-shaped configurations for piercing an insulation layer and electrically contacting a conductor of an insulated electrical wire assembly. The insulation displacement members may be disposed at any suitable angles and offsets to provide an effective multipoint electrical contact with the conductor. The insulated electrical wire assembly also may be carried by a wire support structure to facilitate insertion and removal of the insulated electrical wire assembly with the arrangement of insulation displacement members.Type: GrantFiled: September 28, 2001Date of Patent: January 6, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: James P. Miller, Sal Eminovic, Paul Gieschen, Darrell S. Filtz
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Patent number: 6674619Abstract: A method for interrupting current is provided wherein substantially all current is conveyed through a normal current carrying path in a circuit interrupter. A movable element is displaced for interruption of the current, and a balance is struck between the normal current carrying path and a parallel alternative or transient current carrying path. The transient current carrying path includes at least one variable or controllable resistance element. The transient current carrying path presents a substantially open circuit during normal operation. The variable resistance elements have a lower resistance during initial phases of circuit interruption, favoring transition of all current from the normal current carrying path to the transient path. Thereafter, the variable resistance elements increase in resistivity, producing additional back-EMF to drive the fault current to a zero level and to limit let-through energy.Type: GrantFiled: December 22, 1998Date of Patent: January 6, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: David J. Benard, Paul T. Nolden, Edward A. Mallonen, Mark A. Clayton
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Patent number: 6675226Abstract: A multi-port, multi-network interface allows desktop-type computers to be used in industrial control environments employing time critical network communications over multiple networks. A run-time program on the multi-network interface handles network protocol matters while interfacing two application programs through the mechanism of an API of the operating system of the desktop computer. The run-time program allows for different devices on different networks to be collected as a single logical entity through the use of a view attribute stored in a memory of the multi-network interface.Type: GrantFiled: November 17, 1998Date of Patent: January 6, 2004Assignee: Rockwell Automation Technologies, Inc.Inventors: Suresh Nair, Michael J. Gilson
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Patent number: 6670733Abstract: Technique for reducing bearing current discharges in a system by increasing the surface area between the shaft and the frame of the system and thereby increasing the rotor to frame capacitance.Type: GrantFiled: September 27, 2001Date of Patent: December 30, 2003Assignee: Reliance Electric Technologies, LLCInventor: Michael J. Melfi
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Patent number: 6671633Abstract: Monitoring modules of a monitoring and protection system are disposed in groups proximate to points of interest in a machine system where dynamic operating conditions are monitored. A master module, which may be a similar monitoring module or a different device such as a gateway, stores user configuration parameters that are also stored in the monitoring modules. In the event of loss of service or replacement of a module, once the same or a different module is detected by the master, the configuration parameters are restored to the monitoring module to permit continuity of operation. The parameters may include multiple settings such as alarm levels, units of measure, processing parameters, response settings, and so forth.Type: GrantFiled: May 13, 2002Date of Patent: December 30, 2003Assignee: Entek IRD International CorporationInventors: Kevin E. Kramb, David P. Trumpy, Patrick F. Carle, Dan R. Shupe
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Patent number: 6668259Abstract: Business transactions or other events may be structured as a series of database-objects formed of combinations of sub-objects which in turn may depend on yet a lower level of objects. By creating object templates for the objects that progressively group inter-correlated data and inter-correlated objects, large amounts of event data may be captured with modest data storage requirements. The system is particularly well suited for capturing sales events comprised of a large range of data of different attributes.Type: GrantFiled: September 5, 2000Date of Patent: December 23, 2003Assignees: Rockwell Automation Technologies, Inc., The Ultimate Software ConsultantsInventors: David Ventura, Michael P. Santell