Patents Assigned to Lineage Power Corporation
  • Publication number: 20130094251
    Abstract: A drive circuit for a synchronous rectifier, a method of driving a synchronous rectifier and a power converter incorporating the drive circuit or the method. In one embodiment, the drive circuit includes: (1) a first drive circuit stage configured to derive a timing for at least one drive signal from a secondary winding of a transformer coupled to the synchronous rectifier and (2) a second drive circuit stage, coupled to the first drive circuit stage and configured to employ a substantially stable voltage source to provide power for the at least one drive signal and apply the at least one drive signal to at least one control terminal of at least one synchronous rectifier switch in the synchronous rectifier.
    Type: Application
    Filed: February 24, 2012
    Publication date: April 18, 2013
    Applicant: LINEAGE POWER CORPORATION
    Inventors: Lanlan Yin, Xiaojian Zhao
  • Publication number: 20130003430
    Abstract: A power converter includes an input stage connected to receive an input signal and to provide an intermediate DC voltage, and an output stage having an LLC converter connected to receive the intermediate DC voltage and to provide a DC output voltage. Additionally, the power converter includes a control unit connected to the input and output stages to regulate the DC output voltage and set a target operating parameter of the LLC converter based on controlling the intermediate DC voltage. A method of operating a power converter is also provided.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Applicant: Lineage Power Corporation
    Inventor: Raghothama Reddy
  • Publication number: 20130003304
    Abstract: One aspect includes an electronics assembly, including: (1) printed wiring board, (2) a mount and (3) a fastener for securing the printed wiring board to the mount, the fastener including a body configured to pass through a mounting hole on the printed wiring board and engage the mount, the fastener further including a conical head configured to receive a driver torque and further configured to engage a rim of the mounting hole and produce an increasing frictional torque to countervail and eventually balance the driver torque.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 3, 2013
    Applicant: Lineage Power Corporation
    Inventors: William L. Woods, JR., Keith A. Leicht, Tushar Shete
  • Patent number: 8270572
    Abstract: The present invention provides a wiring degradation detector for use with telephone wire-pairs providing electric power. In one embodiment, the wiring degradation detector includes a transmission section configured to transmit load power over the telephone wire-pairs. Additionally, the wiring degradation detector also includes a test section coupled to the transmission section and configured to provide a load power test signal that determines a condition of the telephone wire-pairs. In an alternative embodiment, the wiring degradation detector further includes a degradation monitoring section coupled to the test section and configured to track values of the condition of the wiring over time.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: September 18, 2012
    Assignee: Lineage Power Corporation
    Inventors: Michael R. Buskmiller, Roy J. Davis, Edward C. Fontana, Mark A. Johnson
  • Publication number: 20120212060
    Abstract: Various embodiments of a DC plant. In one embodiment, the DC plant includes (1) power sources couplable to a common DC bus, (2) rectifiers and DC-DC converters associated with the power sources and (3) a DC plant controller. The DC plant controller includes a source identifier configured to identify the power sources, a source prioritizer coupled to the source identifier and configured to prioritize the power sources based on at least one criterion, and an output characteristic assigner coupled to the source prioritizer.
    Type: Application
    Filed: May 1, 2012
    Publication date: August 23, 2012
    Applicant: Lineage Power Corporation
    Inventors: Anurag Jagota, Roy J. Davis, Vijayan J. Thottuvelil
  • Publication number: 20120195081
    Abstract: A system for increasing parallel rectifier DC power system efficiency. In one embodiment, the system includes: (1) a controller configured to sense and classify a load magnitude change into groups including large load transients and moderate load transients and (2) at least one rectifier coupled to the controller and configured to transition from a stand-by mode to an active mode upon an occurrence of one of a large load transient and a moderate load transient.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 2, 2012
    Applicant: Lineage Power Corporation
    Inventors: Raghothama Reddy, Roy J. Davis
  • Publication number: 20120176734
    Abstract: A power distribution system comprising a cabinet configured to hold electronic components therein. An outside surface of the cabinet has one or more electrical termination contacts thereon such that a surface of the electrical termination contacts is part of the outside surface. The electrical termination contacts are configured to be coupled to an external DC power source at the outside surface.
    Type: Application
    Filed: March 8, 2012
    Publication date: July 12, 2012
    Applicant: Lineage Power Corporation
    Inventors: Edward C. Fontana, Paul Smith, William C. England, II
  • Publication number: 20120169316
    Abstract: A bias supply, a method of communicating data across an isolation barrier and a power supply are provided herein. In one embodiment, the bias supply includes: (1) a bias supply transformer having a primary winding inductively coupled to a secondary winding across an isolation barrier, (2) a controller configured to direct operation of the bias supply and (3) bias voltage manipulating circuitry, coupled to an input of the controller, configured to receive primary data and based thereon alter a secondary bias output voltage of the secondary winding between defined voltage levels by varying a voltage provided to the controller, the controller and the bias voltage manipulating circuitry located on the primary side.
    Type: Application
    Filed: January 4, 2012
    Publication date: July 5, 2012
    Applicant: Lineage Power Corporation
    Inventors: Stephen C. Guthrie, Subarna Pal
  • Publication number: 20120153730
    Abstract: An interleaved LLC converter, a method of operating an LLC converter and a power supply are disclosed herein. In one embodiment, the LLC converter includes: (1) a plurality of LLC power channels, with each of the plurality having an independent power input and (2) a compensation controller configured to actively adjust the independent power inputs to substantially match output voltage and current levels for a given load condition and a common operating frequency of the plurality of LLC power channels.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 21, 2012
    Applicant: Lineage Power Corporation
    Inventors: Rick L. Barnett, Raghothama Reddy
  • Patent number: 8193864
    Abstract: A distributed power converter is for use with an RF power amplifier and includes a primary converter connected to an input voltage and configured to provide a regulated DC intermediate voltage that is galvanically isolated from the input voltage. Additionally, the distributed power converter also includes a secondary regulator connected galvanically to the regulated DC intermediate voltage and configured to generate a regulated DC supply voltage for at least a portion of the RF power amplifier. In another aspect, a method of operating a distributed power converter is for use with an RF power amplifier and includes providing a regulated DC intermediate voltage that is galvanically isolated from an input voltage and generating a regulated DC supply voltage for at least a portion of the RF power amplifier that is galvanically connected to the regulated DC intermediate voltage.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: June 5, 2012
    Assignee: Lineage Power Corporation
    Inventor: Michael J. Model
  • Patent number: 8193661
    Abstract: Various embodiments of a DC plant controller, methods of selecting among multiple power sources and DC plants incorporating the DC plant controller or the method. In one embodiment, the DC plant controller includes: (1) a source identifier configured to identify power sources couplable to a common DC bus, (2) a source prioritizer coupled to the source identifier and configured to prioritize the power sources based on at least one criterion and (3) an output characteristic assigner coupled to the source prioritizer and configured to assign output characteristics to the power sources that differ from one another as a function of the priority.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: June 5, 2012
    Assignee: Lineage Power Corporation
    Inventors: Anurag Jagota, Roy J. Davis, Vijayan J. Thottuvelil
  • Publication number: 20120127762
    Abstract: An active snubber circuit for a power converter, a method of operating the same and an inductor inductor capacitor converter incorporating the circuit or the method. In one embodiment, the circuit includes: (1) a series-coupled first capacitor and diode associated with a secondary-side switch in the power converter and coupled to an output thereof and (2) an active snubber circuit switch coupled in parallel with the diode and configured to receive a control signal that closes the active snubber circuit switch during at least a portion of a time during which the secondary-side switch is open.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 24, 2012
    Applicant: Lineage Power Corporation
    Inventor: Raghothama Reddy
  • Patent number: 8174821
    Abstract: A power distribution system comprising a cabinet having one or more equipment envelops for holding electrical component modules therein and an interior passageway that is configured to accommodate DC vertical bus bars within the cabinet. The interior passageway is also configured such that the vertical bus bars can be positioned outside of lateral perimeters of the equipment envelops and the vertical bus bars can substantially traverse an entire interior long axis length of the cabinet.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: May 8, 2012
    Assignee: Lineage Power Corporation
    Inventors: Edward C. Fontana, Paul Smith, Roy J. Davis
  • Patent number: 8154856
    Abstract: A power distribution system comprising a cabinet configured to hold electronic components therein. An outside surface of the cabinet has one or more electrical termination contacts thereon such that a surface of the electrical termination contacts is part of the outside surface. The electrical termination contacts are configured to be coupled to an external DC power source at the outside surface.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: April 10, 2012
    Assignee: Lineage Power Corporation
    Inventors: Edward C. Fontana, Paul Smith, William C. England, II
  • Patent number: 8148948
    Abstract: Provided herein is a controller for a low voltage disconnect (LVD), a method of protecting and providing a maximum or substantially maximum battery reserve coupled to a DC load bus and a power system manager. In one embodiment, the LVD controller includes an adaptive disconnect system configured to determine a variable LVD threshold voltage value and instruct the LVD to disconnect a battery reserve from a DC load bus based thereon. The variable LVD threshold voltage is determined based on a current of the battery reserve during a battery-discharge event.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: April 3, 2012
    Assignee: Lineage Power Corporation
    Inventors: Roy J. Davis, Darwin D. Smith
  • Patent number: 8150540
    Abstract: A converter controller and a method of controlling converters. In one embodiment, the converter controller includes: (1) a converter efficiency database configured to store data pertaining to efficiencies of converters, (2) a power requirement assessor configured to compare ratings of online ones of the converters to an output power requirement of a given output power bus and (3) a controller mode selector coupled to the power requirement assessor and configured to retrieve online and standby converter efficiencies from the converter efficiency database, assess efficiencies of alternative converter combinations appropriate for the output power requirement and place one of the alternative converter combinations online.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: April 3, 2012
    Assignee: Lineage Power Corporation
    Inventor: Anurag Jagota
  • Publication number: 20120025616
    Abstract: A DC power system and a system controller for the DC power system are disclosed herein. The architecture of the DC power allows optimizing efficiency thereof. In one embodiment, the DC power system includes: (1) a battery configured to provide transitional DC power to a load bus of the DC power system, the battery indirectly coupled to the load bus, (2) a source connection circuit configured to conditionally connect the battery to the load bus and (3) a DC power system controller configured to direct the source connection circuit to connect the battery to the load bus in response to an outage of an AC input of the DC power system.
    Type: Application
    Filed: July 28, 2011
    Publication date: February 2, 2012
    Applicant: Lineage Power Corporation
    Inventor: Richard Hock
  • Publication number: 20120014150
    Abstract: The disclosure provides a power factor correcting (PFC) circuit, a power supply and a method of manufacturing a power converter. In one embodiment, the PFC circuit has a positive input terminal, an output terminal and a ground terminal and includes: (1) a power factor inductor coupled in series between the positive input terminal and the output terminal, (2) a main switch configured to periodically connect the power factor inductor to the ground terminal and (3) a clamping capacitor coupled to the power factor inductor and configured to provide zero turn-off loss for the main switch.
    Type: Application
    Filed: July 5, 2011
    Publication date: January 19, 2012
    Applicant: Lineage Power Corporation
    Inventor: Moshe Domb
  • Publication number: 20110217885
    Abstract: An apparatus for effecting electrical termination with a plurality of types of termination structures includes: (a) a base member presenting a face in a first direction; and (b) a plurality of electrically conductive connection members extending in the first direction from the face. Each respective connection member of the plurality of connection members presents a rod-shaped post. Each post has a first portion presenting a threaded structure and has a second portion presenting an unthreaded structure.
    Type: Application
    Filed: February 28, 2011
    Publication date: September 8, 2011
    Applicant: LINEAGE POWER CORPORATION
    Inventor: Michael C. Steeves
  • Publication number: 20110211282
    Abstract: A power supply employing a compensated threshold signal for overcurrent protection and a method for generating the compensated threshold signal are disclosed herein. Additionally, a self-adjusting overcurrent threshold circuit is provided. In one embodiment, the self-adjusting overcurrent threshold circuit includes: (1) a fixed threshold source configured to provide a constant threshold signal for the overcurrent protection circuit, (2) an analog signal processor, coupled to the fixed threshold source, configured to monitor designated parameters of the converter and generate a threshold adjustment signal based thereon and (3) a combiner configured to combine the constant threshold signal with the threshold adjustment signal to provide the compensated threshold signal.
    Type: Application
    Filed: February 25, 2011
    Publication date: September 1, 2011
    Applicant: Lineage Power Corporation
    Inventor: Ivan D. Nanov