| Patent Number |
Title Of Patent |
Date Issued |
| 7368918 |
Devices, systems, and methods for adaptive RF sensing in arc fault detection |
May 6, 2008 |
| Certain exemplary embodiments include a method, which can include automatically generating an output signal responsive to an input signal. The input signal can be indicative of an arc fault. The output signal can be configured to cause an electrical circuit to open. The output signal |
| 7213698 |
Sensors for article sorter |
May 8, 2007 |
| A sortation assembly includes a plurality of chutes which are movable along a continuous loop and along and over a plurality of sort stations. The chutes are operable to deposit articles, such as mail or flats mail or the like, to appropriate bins or trays positioned at the sort stat |
| 7170024 |
Delivery point sequencing mail sorting system with flat mail capability |
January 30, 2007 |
| A method and apparatus for sorting articles to a delivery point sequence includes at least one article sorter adapted to sort articles and a conveying system operable to arrange and convey containers of articles sorted in a first sort pass to an induct of the article sorter for a sec |
| 6897388 |
Apparatus and method for remotely moving a circuit breaker into or from a circuit breaker cell h |
May 24, 2005 |
| A racking apparatus 10 is provided for remotely inserting into and removing an industrial electric circuit breaker from a cell housing. The racking apparatus includes a housing having a base 12 and a frame 14 extending upwardly from the base. A Wheel structure 20, 22, 24 is coupled to th |
| 6782306 |
Motion control system and method utilizing spline interpolation |
August 24, 2004 |
| A spline interpolation motion control system and method that can automatically determine where sharp corners and flat sections were intended in a part program. In one embodiment, based upon the length ratio of two consecutive spans, the system and method determines whether to interpo |
| 6781818 |
Bus brace comb assembly |
August 24, 2004 |
| A bus brace comb assembly for use in a switchgear assembly. The switchgear assembly has a channel bus bar for conveying electrical current in each phase of the switchgear assembly. The bus brace comb assembly holds the bus bar in place against magnetic forces associated with short-circui |
| 6759612 |
Movable contact and a method of assembling a pusher assembly having a movable contact |
July 6, 2004 |
| A pusher assembly for use in a contact block assembly is disclosed. The pusher assembly comprises a pusher (105); a window (214) extending through the pusher; a first movable contact (106) positioned within the window; and a second movable contact (107) positioned adjacent to said first |
| 6721810 |
Universal controller expansion module system, method and apparatus |
April 13, 2004 |
| A universal expansion module interfaces a logic controller to a plurality of types of input/output expansion modules that communicate input/output data between the controller and automated devices. A communication interface establishes communication between the controller and at least |
| 6720510 |
Pusher assembly and method of assembling a pusher assembly |
April 13, 2004 |
| The present invention is related to a pusher assembly (105) for use with an operator. According to one aspect of the present invention, a pusher assembly generally comprises a body portion (208); first window (216) formed in the body portion; second window (218) formed in the body portio |
| 6697903 |
Communication interface system, method and apparatus |
February 24, 2004 |
| A communication interface responds to a communication protocol for interfacing a controller and any of a plurality of discrete I/O devices. Each discrete I/O device has a different configuration. The interface has a plurality of modes of operation to accommodate the discrete I/O devices. |
| 6690980 |
Method for an alarm event generator |
February 10, 2004 |
| An alarm event generation method and apparatus for signaling an alarm (436, 1400) for a process control system (100). The process control system (100) monitors a production run using a computer system (108). The computer system (108) collects process data corresponding to the production |
| 6677841 |
System and method for mounting a pusher and moveable contact in a contact block |
January 13, 2004 |
| A contact assembly for use in an electrical apparatus comprises a housing and a pusher movably mounted in the housing. A movable contact is supported on the pusher. A stationary contact is proximate the moveable contact in the housing. A return spring biases the pusher to a normal po |
| 6676176 |
Enclosure for industrial controls |
January 13, 2004 |
| Performance and aesthetic attractiveness of industrial enclosures of the type used to house electrical and hydraulic equipment are enhanced through use of an improved quick-release fastener for attaching removable access panels of such enclosures. The improved fastener includes a split b |
| 6667705 |
Analog to digital converter threshold detection circuit |
December 23, 2003 |
| At least one exemplary embodiment of the present invention includes a device that comprises a microprocessor, a multiplexing analog-to-digital converter integral to said microprocessor, and a reference voltage source connected to said multiplexing analog-to-digital converter. At least on |
| 6646360 |
System, method and apparatus for connecting electrical sources in series under full load |
November 11, 2003 |
| A circuit connects a low-voltage high-current DC power source (P.sub.L) in series with a high-voltage low-current DC source (P.sub.D). The series connection is made under full power by using the second source P.sub.L to commutate the load current and allow the first source P.sub.D to be |
| 6642823 |
Contact block assembly and a method of assembling a contact block assembly |
November 4, 2003 |
| A contact block assembly comprising a pusher having a body portion; a window formed in the body portion; a movable contact positioned within the window; a recess formed in the body portion; a first spring positioned within the recess and abutting the movable contact; and second spring |
| 6608304 |
Automatic background ejection (ABE) |
August 19, 2003 |
| A mass spectrometer (MS) which uses the Fourier transform ion cyclotron resonance (FTICR) technique to determine the mass of ions. The MS is prepared with a surface that guarantees that a particle striking the surface will have at least one contact with the cathode and will most like |
| 6605918 |
System and method for compensating the reading of noncontinuous AC sinusoidal currents |
August 12, 2003 |
| A motor controller for a motor operated by an AC line voltage includes solid-state switches connectable between an AC line and a motor terminal for controlling application of AC line voltage to the motor. A current sensor senses motor current. A control circuit is connected to the sw |
| 6594529 |
Programmable logic controller method, system and apparatus |
July 15, 2003 |
| A programmable logic controller with enhanced and extended the capabilities. A digital input filter implement filters with considerable less logic by simulating the action of a capacitor being driven by a constant current source whose output voltage is sensed by a comparator with a l |
| 6586905 |
Automatic sensing of bypassing of soft starter or controller |
July 1, 2003 |
| A motor controller controls a motor operated by an AC line voltage. The controller includes an SCR connectable between an AC line and a motor terminal for controlling application of AC line voltage to the motor. Contacts are connected in parallel with the SCRs for selectively bypassing |
| 6574743 |
Programmable logic controller method, system and apparatus |
June 3, 2003 |
| A programmable logic controller with enhanced and extended the capabilities. A digital input filter implement filters with considerable less logic by simulating the action of a capacitor being driven by a constant current source whose output voltage is sensed by a comparator with a l |
| 6546521 |
Apparatus and method for a n-bit protocol for a modem |
April 8, 2003 |
| In a programmable logic controller with enhanced and extended the capabilities and including a modem. The PLC includes a built-in protocol. An n-bit modem protocol ensures data integrity without use of a parity type data integrity system. |
| 6546438 |
System for interfacing components |
April 8, 2003 |
| A system for interfacing components is provided. The system includes memory, a processor, and a management module. The management module is in communication with the memory and the processor, and is configured to receive from a first component a request for an access operation compri |
| 6545237 |
System and method for mounting a moveable contact in a contact block |
April 8, 2003 |
| A contact assembly for use in an electrical apparatus includes an armature comprising a base and a post having first and second ends. The first end is connected to the base and the second end comprises intersecting cross members defining four quadrants and a body extending between the cr |
| 6536029 |
Programmable logic controller method, system and apparatus |
March 18, 2003 |
| A programmable logic controller with enhanced and extended the capabilities. A digital input filter implement filters with considerable less logic by simulating the action of a capacitor being driven by a constant current source whose output voltage is sensed by a comparator with a l |
| 6486725 |
Programmable logic controller method, system and apparatus |
November 26, 2002 |
| A programmable logic controller with enhanced and extended the capabilities. A digital input filter implement filters with considerable less logic by simulating the action of a capacitor being driven by a constant current source whose output voltage is sensed by a comparator with a l |
| 6453725 |
Gas chromatograph sample and column-switching valve |
September 24, 2002 |
| A multiport, diaphragm sealed valve suitable for use as both a sampling and column switching valve. The valve is constructed to internally block fluid communication between one or more pairs of ports in a valve operating mode. Such blocking may be used to conserve carrier gas when the va |
| 6452100 |
Electrical enclosure having screw terminals protected by re-useable insulating covers |
September 17, 2002 |
| An electrical enclosure includes a re-usable cover of electrically insulative material surrounding a portion of a screw-type electrical terminal of an electric device mounted in an access panel of the enclosure. The reusable protective cover includes an integral clamp for attaching t |
| 6426603 |
Motor controller having automatic permanent single phase wiring detection |
July 30, 2002 |
| Problems associated with delta motors and motor controllers being subjected to overcurrent conditions as well as with time consuming troubleshooting are eliminated in a motor controller that automatically inhibits operation of the delta motor when it detects permanent single phase wiring |
| 6414839 |
Shutter mechanism for vertical bus of motor control center |
July 2, 2002 |
| A compact automatic shutter mechanism in an electrical enclosure provides enhanced protection against inadvertent electrical contact for personnel working within and around the electrical enclosure, and also makes it possible to install more equipment in the electrical enclosure than cou |
| 6274835 |
Selector switch operator |
August 14, 2001 |
| A modular selector switch operator includes a housing and a cylinder rotationally mounted in the housing. The cylinder has a radially extending follower and a circumferential cam track. A knob extends forwardly of the housing and is operatively connected to the cylinder for rotating the |
| 6081820 |
Method and apparatus for filtering a signal using a window value |
June 27, 2000 |
| An apparatus and method for filtering and stabilizing a signal by using a window value is provided. The signal is sampled and each sample of the signal is input to the method or apparatus and compared to the previous output. If the difference between the input sample and the previous out |
| 5909161 |
Intermediate latch for a molded case circuit breaker |
June 1, 1999 |
| A molded case circuit breaker includes a generally "Z" shaped intermediate latch structure which has upper and lower substantially planar sections that are each bent at an angle with respect to a center pivot section. The upper portion of the intermediate latch includes one or two latch |
| 5510945 |
Power supply for ground fault circuit interrupter |
April 23, 1996 |
| A ground fault interruption circuit detects a ground condition associated with a load in an electrical distribution system and disconnects the load in response to a ground fault condition. The circuit includes a ground fault detector connected to receive a ground fault imbalance signal a |
| 4733329 |
Three-phase load center |
March 22, 1988 |
| A three-phase load center which has a base pan including a first and a second bus bar for a first and a second phase. The bus bars are positioned on the top surface of the base pan. A third bar for a third phase is positioned beneath the base pan such that the bus bar is in contact with |
| 4728758 |
Load break switch and interlock assembly |
March 1, 1988 |
| A load break switch and interlock assembly is housed in a cabinet with a door. The switch assembly is oriented 90.degree. from a normal position along the backwall of the cabinet and is located on a sidewall. The switch handle protrudes through the front of the cabinet. The handle is |
