Predetermined Sequence Patents (Class 307/81)
  • Patent number: 11362598
    Abstract: A power supply circuit and a photovoltaic power generation system comprising same. The power supply circuit utilizes the condition that a voltage output by discharge of a capacitor is a direct-current voltage which decreases with time, a CCFL conversion circuit is connected behind the capacitor, the CCFL conversion circuit converts the input direct-current voltage which decreases which time into a sinusoidal alternating-current for output. Since the CCFL conversion circuit operates in an open-loop mode, a peak-to-peak value of the sinusoidal alternating-current output by the CCFL conversion circuit is in direct proportion to an operating voltage of the CCFL conversion circuit, the voltage decreases with time, that is, the peak-to-peak valve of the sinusoidal alternating-current output by the CCFL conversion circuit decreases with time, thus, an effective value of the sinusoidal alternating-current decreases with time, and an attenuated sinusoidal alternating-current voltage is obtained.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: June 14, 2022
    Assignee: MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO., LTD.
    Inventor: Baojun Wang
  • Patent number: 9827930
    Abstract: The invention relates to a vehicle comprising an internal combustion engine and a vehicle electrical system, which comprises a battery, a current distributor, a starter, a generator, and electrical loads, in such a way that the vehicle comprises a first supply line, the first supply line connects the current distributor to a starter terminal or to the starter, the vehicle comprises a second supply line, the second supply line connects the current distributor to a support point, and the electrical loads and the generator are electrically connected to the support point.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: November 28, 2017
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Eduard Schoeberl, Martin Kaltenbrunner
  • Patent number: 9618552
    Abstract: A method and apparatus is disclosed herein for measuring radio-frequency energy. In one embodiment, the apparatus comprises one or more antennas, a wideband radio frequency detector (e.g., a logarithmic amplifier (LogAmp)) coupled to the one or more antennas to measure ambient RF energy, wherein the wideband radio frequency detector has an analog output indicative of RF input power received by the one or more antennas, and an analog-to-digital converter coupled to the wideband radio frequency detector to convert the analog output to a digital value, the digital value being applied to a calibration function, to provide a number representing RF energy.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: April 11, 2017
    Assignees: RICOH CO., LTD., DUKE UNIVERSITY
    Inventors: Ken Gudan, Sergey Chemishkian, Matthew S. Reynolds
  • Patent number: 9570981
    Abstract: A bidirectional DC-DC converter includes a series circuit of a first winding of a first reactor, a second reactor, and a first switch connected to both ends of a first DC power source, a series circuit of a second switch and a second DC power source connected to both ends of the first switch, a series circuit of a second winding of the first reactor, a third reactor, a first selector switch, and a first diode connected to both ends of a series circuit of the second reactor and the first switch, a series circuit of a second selector switch, a second diode, and the second DC power source connected to both ends of a series circuit of the first selector switch and first diode, and a controller turning on/off the switches and the selector switches.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: February 14, 2017
    Assignees: Sanken Electric Co., Ltd., National University Corporation Shimane University
    Inventors: Hiromitsu Terui, Hideki Asuke, Hideharu Takano, Masayoshi Yamamoto, Takahiro Kawashima
  • Patent number: 9391458
    Abstract: A parallel operation control method for different type power generation apparatuses to shift the power generation apparatuses having respective different drooping characteristics, in which the drooping characteristic is defined as a characteristic of decrease of a rated frequency along with an increase of a load, from independent operation of the power generation apparatuses under suitable drooping characteristics to parallel operation thereof to drive a common drive target, includes determining a load of one of the power generation apparatuses by subtracting a load of the other of the power generation apparatuses from a predetermined required load; changing a drooping characteristic of the one of the power generation apparatuses so as to coincide with a drooping characteristic of the other of the power generation apparatuses; and controlling the one of the power generation apparatuses so as to maintain frequency at the time of changing the drooping characteristic.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: July 12, 2016
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, DAIICHI TECHNO CO., LTD.
    Inventors: Mitsuru Chida, Kazunori Sato, Motohiro Inoue, Koushichi Tateishi
  • Patent number: 9362838
    Abstract: An electrical power system is connectable to an AC base power supply to provide AC base electrical power to a mobile unit. The AC mobile unit electrical power is provided in one embodiment without pass-through of AC electrical power which would otherwise bypass an AC/DC inverter. In one implementation, a marine electrical power system is connectable to an AC shore power supply to provide AC shore electrical power to a docked marine vessel.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: June 7, 2016
    Assignee: Brunswick Corporation
    Inventors: Daniel J. Balogh, Christopher L. Blohm, Christopher J. Folger
  • Patent number: 9119162
    Abstract: A method and apparatus for extending the driving capacity of a power management device are provided. The method involves determining an energy requirement for the operation of a power management device. Next, the method compares the energy requirement for the operation of a power management device with a capability of a first power device. If the energy requirement is greater than the energy requirement of the first power device, the energy is switched to a second power device of higher capacity. The apparatus includes: a first power device; a second power device connected in parallel to the first power device; a first inductor connected to the first power device and a capacitor connected to the first inductor; and a second inductor connected to a second power device and a capacitor connected to the second inductor.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: August 25, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Adrian M Stenzel, Todd R Sutton, Narendra Singh Mehta, Siegfried W Breitmeier, Gordon P Lee
  • Patent number: 9042145
    Abstract: An inverter circuit contains a first and second DC sources for providing a DC voltage, a common step-up converter for boosting the DC voltage, an intermediate circuit capacitor connected between the outputs of the common step-up converter, and an inverter for converting the DC voltage provided by the capacitor into an AC voltage. The common step-up converter contains a series circuit having a first inductance and a first rectifier element and is connected between an output of the first DC source and one side of the intermediate circuit capacitor as well as a series circuit which includes a second inductance and a second rectifier element and is connected between an output of the second DC source and another side of the intermediate circuit capacitor. The common step-up converter further contains a common switching element which is connected between the first and second DC sources.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: May 26, 2015
    Assignee: Platinum GmbH
    Inventor: Christoph Schill
  • Publication number: 20150123476
    Abstract: An apparatus for collecting energy in connection with a sheave system in a hoisting apparatus provided with a sheave system. The apparatus includes at least one generator including a rotor and at least one stator. The rotor is connected rigidly to a sheave of the sheave system, and the at least one stator is connected rigidly to the sheave system such that when the load of the hoisting apparatus is rising or lowering, said at least one sheave rotates, whereby the rotor rotates simultaneously but the stator does not rotate, whereby electric energy is induced in the stator. The apparatus further includes electric energy storage, a device for modifying induced electric energy and storing it in energy storage; and a device for supplying energy from the energy storage to at least one consumption device. The consumption device may be, for example, a working lamp, sensor, measuring device, communications device, signal device, charging plug or a combination of these mounted in connection with the sheave system.
    Type: Application
    Filed: April 23, 2013
    Publication date: May 7, 2015
    Applicant: KONECRANES PLC
    Inventors: Heikki Mesiä, Lasse Eriksson, Hannu Lindfors, Kim Schlesier, Timo Vuorela, Mika Inkinen, Manu Myry, Pekka Ruuskanen, Mikko Jääskeläinen, Martti Paju
  • Patent number: 8963374
    Abstract: A system for integrating a wind power generation with a wave power generation includes a wind power generation device, a wave power generation device and a power integration device. The wind power generation device generates a first voltage. The wave power generation device generates a second voltage. The power integration device integrates the first voltage with the second voltage.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: February 24, 2015
    Assignee: National Cheng Kung University
    Inventor: Li Wang
  • Patent number: 8901770
    Abstract: A system and method is provided for powering and/or controlling a plurality of model devices, including at least one model vehicle. In one embodiment of the present invention, the system includes an adjustable transformer in communication with at least a model train. The adjustable transformer is configured to convert an AC voltage into first and second AC output voltages based, respectively, on positions of first and second input devices. The adjustable transformer includes a processor configured to receive input signals from the input devices, and to generate corresponding control signals, which are used by drive circuits to convert an AC voltage into first and second outputs. The processor is further configured to display data concerning the first output on a display, and to replace the data concerning the first output with data concerning the second output if a signal is received from a sensor, indicating that the user has interacted with the second input device.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: December 2, 2014
    Assignee: Lionel LLC
    Inventors: Jon F. Zahornacky, Neil Young
  • Publication number: 20140327315
    Abstract: A power supply system (101) includes a first power supply apparatus (111a) and a second power supply apparatus (111b) connected to a load in parallel, for supplying power to the load (115). The first supply apparatus (111a) includes a first controller that controls the output voltage of the first supply apparatus (111a) when a power supply from the first supply apparatus (111a) to the load 115 is equal to or greater than a power requirement by the load (115), and controls the output current of the first supply apparatus (111a) when the supplied power is less than the required power. The second power supply apparatus 111b includes a second controller that stops the second supply apparatus from supplying power (111b) when the power supply is equal to or greater than the power requirement, and controls the output voltage of the power supply apparatus (111b) when the power supply is less than the power requirement.
    Type: Application
    Filed: November 5, 2012
    Publication date: November 6, 2014
    Applicant: KYOCERA CORPORATION
    Inventor: Masahiro Baba
  • Patent number: 8866341
    Abstract: A voltage regulator circuit for providing a regulated output voltage is provided. The voltage regulator circuit includes an error amplifier configured to provide a control signal based on at least a portion of a fed-back output voltage and a reference voltage. A first output stage is configured to operate at a first supply voltage and provide the regulated output voltage based on the control signal. At least one second output stage configured to operate at a second supply voltage different from the first supply voltage and provide the regulated output voltage based on the control signal. A switch-over unit is configured to switch over the control signal between the first output stage and the second output stage.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: October 21, 2014
    Assignee: Infineon Technologies AG
    Inventor: Roman Riederer
  • Patent number: 8841881
    Abstract: A method, computer-readable medium, system, and apparatus for improving energy transfer with a vehicle are disclosed.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: September 23, 2014
    Inventor: Bryan Marc Failing
  • Patent number: 8836167
    Abstract: A power redundant system is provided. The power redundant system includes N first voltage generators, M second voltage generators, a switch unit and a control unit. A voltage of the i-th first voltage generator and a voltage of the j-th second voltage generator are equal. When a power good signal is enabled, the control unit enables a power control signal to control the switch unit so that an output of the switch unit is connected to an output of the j-th second voltage generator. When a power supply signal is enabled and the power good signal is disabled, the control unit disables the power control signal to control the switch unit so that the output of the switch unit is connected to an output of the i-th first voltage generator. Therefore, the first voltage generator and the second voltage generator of the system can backup each other.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: September 16, 2014
    Assignee: Inventec Corporation
    Inventor: Chia-Hsiang Chen
  • Patent number: 8836168
    Abstract: A remaining capacity equalizing device is provided having an inductance connected to a reference node of a battery pack and first and second switching elements. A first closed circuit is formed through selecting sequentially a first switching switch from a first switching switch group that is connected to the high-voltage side of the reference node. A second closed circuit is formed by selecting sequentially a second switching switch from among a second switching switch group that is connected to the low-voltage side of the reference node. The first and second switching elements are turned ON/OFF alternatingly for each combination of first and second closed circuits so that, during a specific interval, the ratio of the conductive times of the first and second switching elements is the inverse of the ratio of the numbers of storage cells in the first and second closed circuits.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: September 16, 2014
    Assignee: Visteon Global Technologies, Inc.
    Inventor: Kouichi Yamanoue
  • Publication number: 20140225445
    Abstract: A peak cut system which can reduce the running cost of a power-generating device even when a peak cut process is carried out. In a peak cut system, a control unit executes such a control procedure that a peak cut process is first carried out only by the discharge from a power storage device and the power generation by a power-generating device is carried out only when a predetermined amount of peak cut cannot be achieved only by the discharge from the power storage device.
    Type: Application
    Filed: September 13, 2011
    Publication date: August 14, 2014
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventor: Masato Hanada
  • Publication number: 20140167515
    Abstract: The invention relates to an energy storage device (1) for generating an n-phase supply voltage for an electrical machine (2), where n?1, or for an inverter, with n energy supply branches connected in parallel, each of which can be connected to one of n phase lines (2a, 2b, 2c), each of the energy supply branches comprising a plurality of series-connected energy storage modules (1a, 1b), each comprising: an energy storage cell module (5, 7) and a coupling device (3) configured to selectively connect the energy storage cell module (5, 7) into the respective energy supply branch or to bypass said module, the energy storage cell modules (7) of respective first energy storage modules (1b) of an energy supply branch each comprising at least one first energy storage cell (7a), the energy storage cell modules (5) of respective second energy storage modules (1a) of an energy supply branch each comprising at least one second energy storage cell (5a), and the first energy storage cells (7a) having a lower internal resis
    Type: Application
    Filed: April 11, 2012
    Publication date: June 19, 2014
    Applicant: ROBERT BOSCH GMBH
    Inventors: Peter Feuerstack, Erik Weissenborn, Martin Kessler
  • Publication number: 20140145510
    Abstract: The power supply device (10) includes: a main command input (40) for the activation/deactivation of the power supply device; a power supply unit (22) that includes a discharge circuit (24) connecting the power output (V2) to a reference potential by means of a controlled switch (32); and a control circuit (26) of the controlled switch (32) of the discharge circuit (24). This control circuit (26) includes: a charge/discharge timing circuit (62) characterised by a relaxation time, a logic circuit (60; 160), one input of which is connected to the main command input (40) of the power supply device, and the other input is connected to the output of the timing circuit (62), and the output is connected for its control to the controlled switch (32).
    Type: Application
    Filed: November 27, 2013
    Publication date: May 29, 2014
    Inventors: Laurent Pubert, Sylvain Gavaud
  • Patent number: 8723359
    Abstract: A plurality of sodium-sulfur batteries are divided into a plurality of groups. Power to be input or output, which is assigned to all sodium-sulfur batteries in order to compensate for fluctuations of output power of a power generation device, is distributed to each group. The plurality of sodium-sulfur batteries divided in the groups are periodically rotated. This enables a uniform utilization rate of the sodium-sulfur batteries to be achieved.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: May 13, 2014
    Assignee: NGK Insulators, Ltd.
    Inventor: Motohiro Fukuhara
  • Patent number: 8704410
    Abstract: A semiconductor device includes: a first power line to supply a first voltage to a plurality of internal circuits; a second power line to supply the first voltage to the plurality of internal circuits; a first switch provided between said first power line and each of the plurality of internal circuits; a second switch provided between said second power line and each of the plurality of internal circuits; and a control circuit to control the first switch of a second internal circuit included in the plurality of the internal circuits based on the amounts of noise and voltage drop at power-on in a first circuit included in the plurality of internal circuits.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: April 22, 2014
    Assignee: Fujitsu Limited
    Inventors: Koichi Nakayama, Tetsuyoshi Shiota, Kenichi Kawasaki
  • Publication number: 20140097694
    Abstract: Aspects of the disclosure provide an integrated circuit (IC) chip that includes a feedback control circuit and a detecting circuit. The feedback control circuit is configured to govern a feedback signal to a first regulator that regulates a first power supply to the IC chip based on the feedback signal. The feedback control circuit is powered at least partially by a second power supply. The detecting circuit is configured to detect a power down of the second power supply, and to cause the feedback control circuit to be disengaged from the feedback signal in response to the power down.
    Type: Application
    Filed: October 8, 2013
    Publication date: April 10, 2014
    Applicant: Marvell World Trade Ltd.
    Inventors: Reuven ECKER, Ido Bourstein
  • Publication number: 20140097695
    Abstract: A power control device is provided at a customer site having a distributed power supply capable of supplying power and load devices and controls a stand-alone operation in which the power supplied from the distributed power supply is converted to AC power and supplied to the load devices. The power control device comprises: a determination processing unit for determining whether or not a power supply supplied from the distributed power supply during the stand-alone operation satisfies a power demand necessary for operating the load devices; and a supply control unit for, when it is determined that the power supply does not satisfy the power demand, intermitting the stand-alone operation. After intermitting the stand-alone operation, the determination processing unit re-executes the stand-alone operation and determines whether the power supply satisfies the power demand or not.
    Type: Application
    Filed: May 24, 2012
    Publication date: April 10, 2014
    Applicant: KYOCERA CORPORATION
    Inventor: Hitoshi Kuwahara
  • Patent number: 8680710
    Abstract: Supply voltage sequencing circuitry includes a first sequencer (10-1) that produces an active level of a Power Good signal PG if a first supply voltage VOUT1 exceeds an upper threshold V90% while a control signal EN_PG is active, and produces an inactive level of PG if EN_PG is inactive. The PG level is latched when a control signal EN is inactive. A Power Down signal PD is produced if VOUT1 is less than a lower threshold V10% while EN is inactive. An active level of PD is produced when EN is active. A power-up sequence of supply voltages VOUT1, VOUT2, and VOUT3 monitored by the first sequencer and similar second (10-2) and third (10-3) sequencers, respectively, is determined by connection of PG of each of the first and second sequencers to control the supply voltage monitored by the next sequencer.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 25, 2014
    Assignee: Texas Instruments Incorporated
    Inventor: Masashi Nogawa
  • Publication number: 20140062208
    Abstract: An apparatus and a method for controlling power in an electronic device are provided. The apparatus includes a switching unit configured to selectively supply a load with one of a first power, which is continuously generated, and a second power, which is discontinuously generated, during operation of the electronic device, and a control unit configured to control switching of the switching unit such that the second power is supplied to the electronic device after a delay of a predetermined time upon generation of the second power.
    Type: Application
    Filed: August 27, 2013
    Publication date: March 6, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventor: Beom-Ju KIM
  • Patent number: 8664798
    Abstract: A semiconductor integrated circuit device includes a power supply circuit that generates one or more internal supply voltages from an external supply voltage, and one or more functional circuits that operate on the one or more internal supply voltages. A step-down converter in the power supply circuit generates one or more stepped-down voltages from the external supply voltage. A control circuit in the power supply circuit compares the external supply voltage with a reference voltage and selects the internal supply voltages from among the external supply voltage and the stepped-down voltages according to the result of the comparison. The semiconductor integrated circuit device can accordingly operate on different external power supplies, and can continue to operate on battery power even if the battery voltage drops.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: March 4, 2014
    Assignee: Oki Semiconductor Co., Ltd.
    Inventor: Ken Nozaki
  • Patent number: 8564990
    Abstract: A converter apparatus and method for operating the converter apparatus are provided for producing a plurality of output voltages or a plurality of output voltage potentials at corresponding outputs. The converter apparatus includes a plurality of setting units, which are each associated with one of a plurality of input voltage sources, Each of the setting units is configured to vary an input voltage which is produced by the associated input voltage source, and to provide an intermediate voltage. The converter apparatus also includes a plurality of selection elements to which intermediate voltage potentials are each applied. The intermediate voltage potentials are defined by the intermediate voltages. Each selection element is configured to select one of the intermediate voltage potentials for outputting as the respective output voltage potential.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: October 22, 2013
    Assignee: ABB Research Ltd
    Inventors: Christoph Häderli, Toufann Chaudhuri
  • Publication number: 20130175869
    Abstract: A power-good signal generator generates a power-good signal according to a control signal of a controller, and comprises an impedance element, a controlled transistor and a power sequencing free circuit. An end of the impedance element is coupled to a second voltage source. The controlled transistor has first and second input/output ends and a controlled end, wherein the first input/output end is coupled to the other end of the impedance element to generate the power-good signal. An operating state of the controlled transistor is changed in response to the control signal. The power sequencing free circuit is coupled to the controlled end and one of the first input/output end and the second voltage source. When the second voltage source is supplied before the first voltage source, the power sequencing free circuit turns on the controlled transistor to clamp the power-good signal to be lower than a predetermined voltage level.
    Type: Application
    Filed: May 14, 2012
    Publication date: July 11, 2013
    Applicant: GREEN SOLUTION TECHNOLOGY CO., LTD.
    Inventors: Li-Min LEE, Zhong-Wei LIU, Chung-Che YU, Shian-Sung SHIU
  • Patent number: 8420240
    Abstract: When charge power or discharge power of each individual sodium-sulfur battery included in a plurality of sodium-sulfur batteries becomes 1/n (n is a natural number) or less of a rated output, individual sodium-sulfur batteries are sequentially stopped. This prevents the discharge power (or the charge power) of the sodium-sulfur battery from becoming minute, so that a battery depth (or a stored energy) of the sodium-sulfur battery can be accurately managed.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: April 16, 2013
    Assignee: NGK Insulators, Ltd.
    Inventor: Motohiro Fukuhara
  • Publication number: 20130076149
    Abstract: An exemplary power-on control circuit includes power supplies and a control chip. Each power supply includes a power good pin to output a power good signal and an enable pin to receive an enable signal. When the enable pin of one power supply receives an enable signal, the one power supply will be powered on. When one power supply is powered on successfully, the power good pin of the one power supply will output a power good signal. The control chip includes input ports and output ports. Each input port corresponding to one output port. Each input port is connected to the power good pin of one power supply to receive a power good signal from the one power supply, and its corresponding output ports is connected to the enable pin of the one power supply to output an enable signal to the one power supply.
    Type: Application
    Filed: October 23, 2011
    Publication date: March 28, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: MENG-CHE YU, CHENG-HUNG HSIAO
  • Publication number: 20130049477
    Abstract: A cultivator configured such that at least one rechargeable specified battery for an electrical power tool can be attached thereto as a power source may include at least one battery converter that is capable of being coupled to at least one battery coupling portion.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 28, 2013
    Applicant: MAKITA CORPORATION
    Inventors: Katsumi TOZAWA, Shigeru TAKEDA, Kouji HANEDA, Mitsunori WATANABE
  • Publication number: 20130033114
    Abstract: Disclosed is a portable terminal, a battery pack and an apparatus for controlling a battery unit. The battery pack includes k battery units, wherein k is an integer of 2 or more; a power supply control unit that conducts control operation such that at least one of the k battery units supplies a power to a load by a time period, and other battery units except for the at least one are in an idle state in a whole or part of the time period.
    Type: Application
    Filed: December 8, 2011
    Publication date: February 7, 2013
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Seongsoo Lee, Yongju Jang, Sangho Kim, JaeHo Lim
  • Patent number: 8368250
    Abstract: The present disclosure generally pertains to systems and methods for swapping span power modules that are used for supplying power to network interface units (NIUs). A span power module in accordance with one exemplary embodiment of the present disclosure has logic capable of communicating with logic of another span power module. When one module is to be swapped for the other module, the module being swapped-in is configured to automatically disable the other module shortly after it has powered up and is supplying electrical power across a span line. The amount of time that both modules supply power to the span line is sufficiently small such that damage to electrical communication equipment receiving power from the span line is prevented.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: February 5, 2013
    Assignee: ADTRAN, Inc.
    Inventors: Jason R. Ferguson, Robert S. Kroninger, Steven M. Robinson, James B. Wiese, Joseph H. Christ
  • Patent number: 8358036
    Abstract: A control system is provided for use with a plurality of generator sets. The control system may have a bus, an arbitration relay, a switching device, a control module, and first, second, and third discrete signal cables. The control module may be configured to receive a group start signal and initiate startup of a first of the plurality of generator sets, and to generate a signal on the first discrete signal cable based on an operational status of the first of the plurality of generator sets. The control module may also be configured to determine if the second discrete signal cable is active, to activate the second discrete signal cable and the arbitration relay based on the determination, and to activate the switching device to connect the first of the plurality of generator sets to the bus based on a status of the third discrete signal cable.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: January 22, 2013
    Assignee: Caterpillar Inc.
    Inventors: Chad Eric Dozier, Edward Maurer Schroeder, Matthew Lee Wagner
  • Publication number: 20130009485
    Abstract: In a predetermined interval, electric power that is generated by power-source equipment is charged to a storage device and the amount of electric power that is accumulated in the storage device is reported from a communication device to a device that is provided to an electric power provider or a consumer. After the passage of a predetermined time interval, the amount of electric power that was previously reported to the device that is provided to the electric power provider or the consumer is discharged from the storage device and supplied to the electric power distribution system.
    Type: Application
    Filed: February 14, 2011
    Publication date: January 10, 2013
    Applicant: NEC CORPORATION
    Inventors: Hisato Sakuma, Koji Kudo, Hiroo Hongo, Ryosuke Kuribayashi
  • Publication number: 20120242155
    Abstract: A method utilizing a device and/or system presented herein for generating alternating current (a/c) electricity directly from photovoltaic cells utilize an array of photovoltaic cell pairs that are each connected in anti-parallel to form an a/c junction. The system, device and method mechanically gradually exposes and shades photovoltaic cell pairs to sunlight to generate alternating current electricity at an a/c junction of the solar cell pairs. Gradually and alternately exposing and shading the two anti-parallel connected solar cells of each solar cell pair causes the amplitude and polarity of the electricity at the a/c junction to gradually rise and fall to produce alternating current electricity. The gradual, alternating exposure and shading of the two anti-parallel solar cells is accomplished by mechanically covering and exposing the solar cell pairs. This is efficiently accomplished by a rotating segmented disc positioned over an array of solar cell pairs.
    Type: Application
    Filed: June 4, 2012
    Publication date: September 27, 2012
    Inventor: Jason Allen Oliver
  • Patent number: 8269373
    Abstract: A device may include a plurality of direct current to direct current (DC/DC) converters that may produce voltages, and a first device that may receive a signal from a second device on a removable module when the removable module is coupled to the device. The first device may produce, based on the signal, an instruction related to one or more voltages associated with the removable module. The instruction may cause a first DC/DC converter and a second DC/DC converter, of the plurality of DC/DC converters, to power up at different times based on a particular sequence, and generate the one or more voltages. The particular sequence may be based on the signal. The first device may cause the one or more voltages, generated by the first DC/DC converter and the second DC/DC converter, to be provided to the removable module.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: September 18, 2012
    Assignee: Juniper Networks, Inc.
    Inventors: Jaspal Gill, David Keith Owen, Troy Sheets, Daniel Lewis Kline
  • Publication number: 20120223679
    Abstract: A power conversion device includes: a DC/DC convertor (5) that performs DC/DC conversion on an output voltage of a direct-current power supply (for example, a solar battery module (1)); and a DC/AC invertor (6) that performs DC/AC conversion on an output voltage of the DC/DC convertor (5). The output power of the DC/AC invertor (6) is controlled such that the charge and discharge of a storage device (for example, a storage battery (3)) connected to a connection point between an output end of the DC/DC convertor (5) and an input end of the DC/AC invertor (6) are controlled.
    Type: Application
    Filed: November 24, 2010
    Publication date: September 6, 2012
    Inventors: Ryo Iwai, Yukihiro Shimizu, Shunsuke Nishi, Masaki Eguchi
  • Patent number: 8212405
    Abstract: Methods, systems, and apparatuses for alternate power delivery are provided. A metering assembly includes a power meter module. The power meter module includes a power control module and a power monitor. The power control module is coupled to a transfer switch that receives both primary power and alternate power. The transfer switch has an output coupled to an electrical circuit load. The power control module is configured to receive a request from the transfer switch for the alternate power to be supplied through the transfer switch to the electrical circuit load. The power control module is configured to enable the transfer switch to supply the alternate power to the electrical circuit load in response to the request. The power monitor is configured to determine an amount of the alternate power provided to the electrical circuit load.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: July 3, 2012
    Assignee: OfficePower, Inc.
    Inventors: John S. Pifer, Andrew J. Edwards
  • Patent number: 8180481
    Abstract: A system and method for operating an autoloop system on an electrical distribution system is provided. The system includes a first branch circuit having a first recloser and a midpoint recloser and a second branch circuit having a second feeder recloser and a midpoint recloser. A tie recloser is electrically coupled between the first branch circuit and the second branch circuit wherein the tie recloser closes only after a fault is detected. A master controller associated with the first and second branch circuits communicates with the reclosers of the first and second branch circuits. The master controller includes a processor for blocking a fast tripping function of a feeder recloser in response to the detection of a fault on the other branch circuit. The portion of a circuit where a fault is detected may be isolated to minimize the portion of the first and second branch circuits without power.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: May 15, 2012
    Assignee: Consolidated Edison Company of New York, Inc.
    Inventors: Paul V. Stergiou, William J. Harris
  • Patent number: 8125102
    Abstract: A power supply system includes an AC power line with an uninterruptible power supply (UPS) device coupled to receive power from the AC power line. The UPS includes control circuitry that couples power conversion circuitry of the UPS to the AC power line when the available AC power is acceptable. The power supply system also includes a second UPS device coupled to receive power from the AC power line. The second UPS includes a timer delay, such that the control circuitry is configured to couple power conversion circuitry to the AC power line when the available AC power is acceptable, and upon expiration of the timer.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: February 28, 2012
    Assignee: American Power Conversion Corporation
    Inventors: Daniel C. Cohen, David A. Colucci, James S. Spitaels, Mark R. Melanson
  • Publication number: 20120032518
    Abstract: An energy harvesting system includes a plurality of transducers. The transducers are configured to generate direct current (DC) voltages from a plurality of ambient energy sources. A sensor control circuit has a plurality of sensors configured to detect the DC signals from the plurality of transducers. A DC-to-DC converter is configured to supply an output voltage. A plurality of switches, each switch coupled between the DC-to-DC converter and a corresponding transducer of the plurality of transducers. The sensor control circuit enables one switch of the plurality of switches and disables the other switches of the plurality of switches based on a priority criterion.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 9, 2012
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming-Chieh HUANG, Chan-Hong CHERN, David Barry SCOTT
  • Publication number: 20120025621
    Abstract: A photovoltaic system has a power converter connected by power rails to a plurality of photovoltaic strings, each string has serially connected photovoltaic panels and switches. The switches divide each string into sections, and the strings are distributed in electrical parallel paths over a plurality of arrays with one section per string in each array. A first set of strings to be brought online with the power converter is initialized. A drive signal is sent to switches in the initial set of strings to couple the sections in each string of the initial set so that the set of strings come online with the power converter providing voltage and current to the power converter.
    Type: Application
    Filed: January 29, 2011
    Publication date: February 2, 2012
    Inventors: Eric Seymour, Jack Arthur Gilmore
  • Patent number: 8106633
    Abstract: A control system is provided for use with a plurality of generator sets. The control system may have a bus, an arbitration relay, a switching device, a control module, and first, second, and third discrete signal cables. The control module may be configured to receive a group start signal and initiate startup of a first of the plurality of generator sets, and to generate a signal on the first discrete signal cable based on an operational status of the first of the plurality of generator sets. The control module may also be configured to determine if the second discrete signal cable is active, to activate the second discrete signal cable and the arbitration relay based on the determination, and to activate the switching device to connect the first of the plurality of generator sets to the bus based on a status of the third discrete signal cable.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: January 31, 2012
    Assignee: Caterpillar Inc.
    Inventors: Chad Eric Dozier, Edward Maurer Schroeder, Matthew Lee Wagner
  • Publication number: 20120013194
    Abstract: A remaining capacity equalizing device is provided having an inductance connected to a reference node of a battery pack and first and second switching elements. A first closed circuit is formed through selecting sequentially a first switching switch from a first switching switch group that is connected to the high-voltage side of the reference node. A second closed circuit is formed by selecting sequentially a second switching switch from among a second switching switch group that is connected to the low-voltage side of the reference node. The first and second switching elements are turned ON/OFF alternatingly for each combination of first and second closed circuits so that, during a specific interval, the ratio of the conductive times of the first and second switching elements is the inverse of the ratio of the numbers of storage cells in the first and second closed circuits.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 19, 2012
    Inventor: Kouichi Yamanoue
  • Publication number: 20110285355
    Abstract: An appliance, such as a flashlight, accepts first and second batteries. The appliance also includes an electrical load, such as a light source. A first circuit, such as a DC to DC converter, receives power from the first battery and supplies power to the load. A second circuit, such as a DC to DC converter, receives power from the second battery and supplies electrical power to the load. In one embodiment, the appliance accepts batteries having multiple physical sizes.
    Type: Application
    Filed: August 9, 2011
    Publication date: November 24, 2011
    Applicant: EVEREADY BATTERY COMPANY, INC.
    Inventor: Peter F. Hoffman
  • Publication number: 20110234007
    Abstract: The present invention relates to an electronic device (1) comprising a control-supply circuit (2) which, by means of a microprocessor (3) and a battery (4), prevents the battery (4) from consuming energy when the device (1) is not connected to the mains and in the stand-by mode, and which, furthermore, serves as a power supply in the stand-by mode.
    Type: Application
    Filed: November 12, 2009
    Publication date: September 29, 2011
    Inventors: Cengiz Berkay, Osman Osman, Osman Yilmaz
  • Patent number: 7977822
    Abstract: Power control circuitry for controlling connection of a voltage source to a switched power rail powering an associated circuit is provided. A plurality of switch blocks are connected in parallel between the switched power rail and the voltage source, each switch block being controlled by an enable signal provided by a switch controller. The switch controller performs a turn-on sequence providing a series of enable signal patterns to the switch blocks. The switch controller applies a time varying generation operation to at least one sequence stage of a predetermined turn-on sequence to produce a corresponding enable signal pattern for that sequence stage. When the turn-on sequence is later repeated, the enable signal pattern produced for at least one of the sequence stages differs from the enable signal pattern previously produced for that sequence stage.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: July 12, 2011
    Assignee: ARM Limited
    Inventors: David Walter Flynn, Sachin Satish Idgunji
  • Publication number: 20110127832
    Abstract: A power supply arrangement is for supplying power to a chip core. A dc-dc converter arrangement is used both for a wake-up state of the core in preparation for an active state, and for a shut down charge recycling state in which the core supplies charge to the dc-dc converter. Thus, the dc-dc converter arrangement functions both to control powering on of the core in an efficient manner and the powering down of the core to implement charge recycling.
    Type: Application
    Filed: September 27, 2010
    Publication date: June 2, 2011
    Applicant: NXP B.V.
    Inventors: Harish KUNDUR SUBRAMANIYAN, Rinze IDA MECHTILDIS PETER MEIJER
  • Patent number: 7928793
    Abstract: Techniques, systems and apparatus are described for providing a voltage selection circuitry and a DC-to-DC converter having such voltage selection circuitry. The voltage selection circuitry includes a first terminal voltage sensing unit that senses a voltage of a first terminal and a second terminal voltage sensing unit that senses a voltage of a second terminal. The voltage selection circuitry also includes a comparison unit connected to the first terminal voltage sensing unit and the second terminal voltage sensing unit. The comparison unit compares the voltage of the first terminal with the voltage of the second terminal and outputs a comparison signal indicating a difference between the sensed voltages of the first and second terminals. The voltage selection circuitry includes a selection unit that selects a higher voltage from the sensed voltages of the first and second terminals in response to the comparison signal.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: April 19, 2011
    Assignee: Core Logic, Inc.
    Inventors: Shin-Woo Lee, Jin-Sang Kim