| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Micro-electromechanical system (MEMS) switch arrays | US11303157 | 2005-12-15 | US07663456B2 | 2010-02-16 | Kanakasabapathi Subramanian; William James Premerlani; Ahmed Elasser; Stephen Daley Arthur; Somashekhar Basavaraj |
| A micro-electromechanical system (MEMS) switch array for power switching includes an input node, an output node, and a plurality of MEMS switches, wherein the input node and the output node are independently in electrical communication with a portion of the plurality of MEMS switches, and wherein a failure of any one of the plurality of MEMS switches does not render ineffective another MEMS switch within the MEMS switch array. | ||||||
| 62 | Micro-electromechanical system based soft switching | US11314879 | 2005-12-20 | US07633725B2 | 2009-12-15 | William James Premerlani; Kanakasabapathi Subramanian; Christopher Keimel; John N. Park; Ajit Achuthan; Wensen Wang; Joshua Isaac Wright; Kristina Margaret Korosi; Somashekhar Basavaraj |
| A system is presented. The system includes detection circuitry configured to detect occurrence of a zero crossing of an alternating source voltage or an alternating load current. The system also includes switching circuitry coupled to the detection circuitry and comprising a micro-electromechanical system switch. Additionally, the system includes control circuitry coupled to the detection circuitry and the switching circuitry and configured to perform arc-less switching of the micro-electromechanical system switch responsive to a detected zero crossing of an alternating source voltage or alternating load current. | ||||||
| 63 | METHOD AND DEVICE FOR PREVENTING DAMAGE TO A SEMICONDUCTOR SWITCH CIRCUIT DURING A FAILURE | US11962830 | 2007-12-21 | US20090161277A1 | 2009-06-25 | Robert Roesner; Kanakasabapathi Subramanian |
| A device includes at least one semiconductor switching circuit connected to a power source and a load and at least one breaker switch integrated with the at least one semiconductor switching circuit. The breaker circuit may be connected in series with the at least one semiconductor switching circuit and the at least one breaker switch is configured to create an open circuit in less than about twenty microseconds of receipt of a predetermined threshold of semiconductor switch current to thereby prevent damage to the at least one semiconductor switching circuit or housing. A method of preventing damage to a semiconductor switching circuit or device is also presented. | ||||||
| 64 | Micro-electromechanical system based electric motor starter | US11621623 | 2007-01-10 | US07542250B2 | 2009-06-02 | William James Premerlani; Fengfeng Tao; Joshua Isaac Wright; Kanakasabapathi Subramanian; John Norton Park; Robert Joseph Caggiano; David James Lesslie; Brent Charles Kumfer; Charles Stephan Pitzen; Kathleen Ann O'Brien; Edward Keith Howell |
| A motor starter is provided. The motor starter includes micro-electromechanical system switching circuitry. The system may further include solid state switching circuitry coupled in a parallel circuit with the electromechanical switching circuitry, and a controller coupled to the electromechanical switching circuitry and the solid state switching circuitry. The controller may be configured to perform selective switching of a load current from a motor connected to the motor starter. The switching may be performed between the electromechanical switching circuitry and the solid state switching circuitry in response to a load current condition appropriate to an operational capability of a respective one of the switching circuitries. | ||||||
| 65 | SWITCHING CIRCUIT APPARATUS HAVING A SERIES CONDUCTION PATH FOR SERVICING A LOAD AND SWITCHING METHOD | US11858402 | 2007-09-20 | US20090079273A1 | 2009-03-26 | Brent Charles Kumfer; Robert Keith Hollenbeck |
| A circuit for servicing a load connectable with a power supply is disclosed. The circuit includes a plurality of three-terminal switches and one control supply. The three-terminal switches define a series conduction path connectable between the power supply and the load. Each of the plurality of three terminal switches includes a source terminal, a drain terminal, and a gate terminal. The control supply is productive of a control voltage and in power connection between the gate terminal and source terminal of each of the plurality of three-terminal switches. Each of the plurality of three-terminal switches is responsive to the control voltage at its respective gate terminal to close a connection between the respective source terminal and respective drain terminal of each of the plurality of three-terminal switches. | ||||||
| 66 | Switching circuit apparatus having a series conduction path for servicing a load and switching method | US11858402 | 2007-09-20 | US07508096B1 | 2009-03-24 | Brent Charles Kumfer; Robert Keith Hollenbeck |
| A circuit for servicing a load connectable with a power supply is disclosed. The circuit includes a plurality of three-terminal switches and one control supply. The three-terminal switches define a series conduction path connectable between the power supply and the load. Each of the plurality of three terminal switches includes a source terminal, a drain terminal, and a gate terminal. The control supply is productive of a control voltage and in power connection between the gate terminal and source terminal of each of the plurality of three-terminal switches. Each of the plurality of three-terminal switches is responsive to the control voltage at its respective gate terminal to close a connection between the respective source terminal and respective drain terminal of each of the plurality of three-terminal switches. | ||||||
| 67 | RESETTABLE MEMS MICRO-SWITCH ARRAY BASED ON CURRENT LIMITING APPARATUS | US11764908 | 2007-06-19 | US20080316664A1 | 2008-12-25 | William James Premerlani; Robert Joseph Caggiano; Kanakasabapathi Subramanian; Brent Charles Kumfer; Charles Stephan Pitzen; David James Lesslie; Joshua Isaac Wright; Parag Thakre |
| The present invention comprises a method for over-current protection. The method comprising monitoring a load current value of a load current passing through a plurality of micro-electromechanical switching system devices, determining if the monitored load current value varies from a predetermined load current value, and generating a fault signal in the event that the monitored load current value varies from the predetermined load current value. The method also comprises diverting the load current from the plurality of micro-electromechanical switching system, devices in response to the fault signal and determining if the variance in the load current value was due to a true fault trip or a false nuisance trip. | ||||||
| 68 | MEMS BASED MOTOR STARTER WITH MOTOR FAILURE DETECTION | US11763646 | 2007-06-15 | US20080310057A1 | 2008-12-18 | Brent Charles Kumfer; William James Premerlani; Robert Joseph Caggiano; Kanakasabapathi Subramanian; David James Lesslie |
| A motor starter is disclosed. The motor starter includes control circuitry integrally arranged with at least one current path and a processor included in the control circuitry. The motor starter further includes at least one processor algorithm residing on the processor, the at least one processor algorithm containing instructions to monitor characteristics of current on the at least one current path and to provide data pertaining to a condition of the at least one current path. The motor starter further includes a micro electromechanical system (MEMS) switch disposed on the at least one current path, the MEMS switch responsive to the control circuitry to facilitate the control of an electrical current, passing through the at least one current path. | ||||||
| 69 | Circuit System With Supply Voltage For Driving An Electromechanical Switch | US11681205 | 2007-03-02 | US20080211347A1 | 2008-09-04 | Joshua Isaac Wright; Kanakasabapathi Subramanian; Nicole Christine Reeves; John Norton Park |
| A circuit for controlling operation of a load. In one example, a MEMS switch is positioned in the circuit to place the load in one of a conducting state or a nonconducting state. A piezoelectric transformer provides a relatively high voltage output signal or a relatively low voltage output signal to control movement of the switch between a closed position, placing the load in the conducting state, and an open position. The high voltage output signal includes a frequency component in the resonant frequency range of the transformer. Control circuitry provides an input voltage signal to the piezoelectric transformer to provide the high voltage output signal or the low voltage output signal at the output terminals of the piezoelectric transformer. | ||||||
| 70 | Micro-Electromechanical System Based Arc-Less Switching With Circuitry For Absorbing Electrical Energy During A Fault Condition | US11563726 | 2006-11-28 | US20070139831A1 | 2007-06-21 | Joshua Isaac Wright; Kanakasabapathi Subramanian; William James Premerlani; John Norton Park |
| A system is presented. The system includes a micro-electromechanical system switch. Further, the system includes a balanced diode bridge configured to suppress arc formation between contacts of the micro-electromechanical system switch. A pulse circuit is coupled to the balanced diode bridge to form a pulse signal in response to a fault condition. An energy-absorbing circuitry is coupled in a parallel circuit with the pulse circuit and is adapted to absorb electrical energy resulting from the fault condition without affecting a pulse signal formation by the pulse circuit. | ||||||
| 71 | Micro-electromechanical system based arc-less switching | US11314336 | 2005-12-20 | US20070139829A1 | 2007-06-21 | Stephen Arthur; Kanakasabapathi Subramanian; William Premerlani; John Park; Ajit Achuthan; Wensen Wang; Joshua Wright; Kristina Korosi; Somashekhar Basavaraj |
| A system is presented. The system includes a first micro-electromechanical system switch. Further, the system includes arc suppression circuitry coupled to the first micro-electromechanical system switch, wherein the arc suppression circuitry comprises a balanced diode bridge and is configured to facilitate suppression of an arc formation between contacts of the first micro-electromechanical system switch. | ||||||
| 72 | Auxiliary circuit for micro-electromechanical system relay circuit | US14919769 | 2015-10-22 | US10083811B2 | 2018-09-25 | Yanfei Liu; Glenn Scott Claydon; Christopher Fred Keimel; Christian Michael Giovanniello, Jr. |
| A switching system includes a MEMS switching circuit having a MEMS switch and a driver circuit. An auxiliary circuit is coupled in parallel with the MEMS switching circuit, the auxiliary circuit comprising first and second connections that connect the auxiliary circuit to the MEMS switching circuit on opposing sides of the MEMS switch, first and second solid state switches connected in parallel, and a resonant circuit connected between the first and second solid state switches. A control circuit controls selective switching of a load current towards the MEMS switching circuit and the auxiliary circuit by selectively activating the first and second solid state switches and the resonant circuit so as to limit a voltage across the MEMS switch by diverting at least a portion of the load current away from the MEMS switch to flow to the auxiliary circuit prior to the MEMS switch changing state. | ||||||
| 73 | Isolated control circuit and driver for micro-electromechanical system switch | US14919833 | 2015-10-22 | US09997317B2 | 2018-06-12 | Yanfei Liu; Glenn Scott Claydon; Christopher Fred Keimel; Christian Michael Giovanniello, Jr. |
| A switching system includes a control circuit that receives On-Off signals indicative of a desired operating state of a switch. The control circuit includes an oscillator that generates a first electrical pulse responsive having a first signal characteristic or a second signal characteristic that is determined by the received On-Off signal, which may be related to a frequency or duty cycle of the pulse. A pulse transformer connected to the oscillator receives the first electrical pulse and outputs a second electrical pulse having the same one of the first signal characteristic and the second signal characteristic as the first electrical pulse. A pulse detection circuit in the control circuit receives the second electrical pulse, determines whether the second electrical pulse has the first signal characteristic or the second signal characteristic, and controls transmission of power and control signals to the switch based on this determination. | ||||||
| 74 | ISOLATED CONTROL CIRCUIT AND DRIVER FOR MICRO-ELECTROMECHANICAL SYSTEM SWITCH | US14919833 | 2015-10-22 | US20170117111A1 | 2017-04-27 | Yanfei Liu; Glenn Scott Claydon; Christopher Fred Keimel; Christian Michael Giovanniello, JR. |
| A switching system includes a control circuit that receives On-Off signals indicative of a desired operating state of a switch. The control circuit includes an oscillator that generates a first electrical pulse responsive having a first signal characteristic or a second signal characteristic that is determined by the received On-Off signal, which may be related to a frequency or duty cycle of the pulse. A pulse transformer connected to the oscillator receives the first electrical pulse and outputs a second electrical pulse having the same one of the first signal characteristic and the second signal characteristic as the first electrical pulse. A pulse detection circuit in the control circuit receives the second electrical pulse, determines whether the second electrical pulse has the first signal characteristic or the second signal characteristic, and controls transmission of power and control signals to the switch based on this determination. | ||||||
| 75 | MICRO-ELECTROMECHANICAL SYSTEM RELAY CIRCUIT | US14919797 | 2015-10-22 | US20170117110A1 | 2017-04-27 | Yanfei Liu; Glenn Scott Claydon; Christopher Fred Keimel; Christian Michael Giovanniello, JR. |
| A switching system includes a MEMS switching circuit having a MEMS switch and a driver circuit, and an auxiliary circuit coupled in parallel with the MEMS switching circuit that comprises solid state switching circuitry. A control circuit in communication with the MEMS switching circuit and the auxiliary circuit performs selective switching of a load current towards the MEMS switching circuitry and the auxiliary circuit, with the control circuit programmed to transmit a control signal to the driver circuit to cause the MEMS switch to actuate to an open or closed position across a switching interval, activate the auxiliary circuit during the switching interval when the MEMS switch is switching between the open and closed positions, and deactivate the auxiliary circuit upon reaching the open or closed position after completion of the switching interval, such that the load current selectively flows through the MEMS switch and the solid state switching circuitry. | ||||||
| 76 | System with circuitry for suppressing arc formation in micro-electromechanical system based switch | US11866849 | 2007-10-03 | US09076607B2 | 2015-07-07 | William James Premerlani; Kanakasabapathi Subramanian; Kathleen Ann O'Brien; John Norton Park; Owen Jannis Schelenz; Maja Harfman Todorovic |
| A system that includes micro-electromechanical system switching circuitry is provided. The system may include a first over-current protection circuitry connected in a parallel circuit with the micro-electromechanical system switching circuitry for suppressing a voltage level across contacts of the micro-electromechanical system switching circuitry during a first switching event, such as a turn-on event. The system may further include a second over-current protection circuitry connected in a parallel circuit with the micro-electromechanical system switching circuitry for suppressing a current flow through the contacts of the micro-electromechanical system switching circuitry during a second switching event, such as a turn-off event. | ||||||
| 77 | Micro-electromechanical switch protection in series parallel topology | US12209064 | 2008-09-11 | US08687325B2 | 2014-04-01 | William James Premerlani; Kathleen Ann O'Brien; Owen Jannis Schelenz |
| An electrical switching device is presented. The electrical switching device includes multiple switch sets coupled in series. Each of the switch sets includes multiple switches coupled in parallel. A control circuit is coupled to the multiple switch sets and configured to control opening and closing of the switches. One or more intermediate diodes are coupled between the control circuit and each point between a respective pair of switch sets. | ||||||
| 78 | Electrical distribution system including micro electro-mechanical switch (MEMS) devices | US13172214 | 2011-06-29 | US08570713B2 | 2013-10-29 | Brent Charles Kumfer; Peter James Greenwood; Brian Frederick Mooney; Thomas Frederick Papallo, Jr.; Kanakasabapathi Subramanian |
| An electrical distribution system includes at least one circuit breaker device having an electrical interruption system provided with an electrical pathway, at least one micro electro-mechanical switch (MEMS) device electrically coupled in the electrical pathway, at least one hybrid arcless limiting technology (HALT) connection, and at least one control connection. A HALT circuit member is electrically coupled to HALT connection on the circuit breaker device and a controller is electrically coupled to the control connection on the circuit breaker device. The controller is configured and disposed to selectively connect the HALT circuit member and the at least one circuit breaker device via the HALT connection to control electrical current flow through the at least one circuit breaker device. | ||||||
| 79 | Micro-electromechanical system based switching | US11761617 | 2007-06-12 | US08144445B2 | 2012-03-27 | Robert Joseph Caggiano; William James Premerlani; Marcelo Esteban Valdes; Kanakasabapathi Subramanian; Brent Charles Kumfer; Charles Stephan Pitzen; John Norton Park |
| A current control device is disclosed. The current control device includes control circuitry and a current path integrally arranged with the control circuitry. The current path includes a set of conduction interfaces and a micro electromechanical system (MEMS) switch disposed between the set of conduction interfaces. The set of conduction interfaces have geometry of a defined fuse terminal geometry and include a first interface disposed at one end of the current path and a second interface disposed at an opposite end of the current path. The MEMS switch is responsive to the control circuitry to facilitate the interruption of an electrical current passing through the current path. | ||||||
| 80 | Resettable MEMS micro-switch array based on current limiting apparatus | US11764908 | 2007-06-19 | US08072723B2 | 2011-12-06 | William James Premerlani; Robert Joseph Caggiano; Kanakasabapathi Subramanian; Brent Charles Kumfer; Charles Stephan Pitzen; David James Lesslie; Joshua Isaac Wright; Parag Thakre |
| The present invention comprises a method for over-current protection. The method comprising monitoring a load current value of a load current passing through a plurality of micro-electromechanical switching system devices, determining if the monitored load current value varies from a predetermined load current value, and generating a fault signal in the event that the monitored load current value varies from the predetermined load current value. The method also comprises diverting the load current from the plurality of micro-electromechanical switching system devices in response to the fault signal and determining if the variance in the load current value was due to a true fault trip or a false nuisance trip. | ||||||
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