Patents by Inventor Thuan Che

Thuan Che has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9831669
    Abstract: An apparatus may include a bus that electrically couples an electrical load to redundant power feeds. The apparatus may also include at least one capacitive component electrically coupled between first and second rails of the bus via both a conductive path and a resistive path that has substantially greater resistance than the conductive path. In addition, the apparatus may include a switching mechanism electrically coupled between the first and second rails of the bus that causes the capacitive component to charge through the conductive path until a threshold voltage on the first rail of the bus is reached. When the threshold voltage on the first rail of the bus is reached, the switching mechanism may close the conductive path and force the capacitive component to charge through the resistive path. Various other systems and methods are also disclosed.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: November 28, 2017
    Assignee: Juniper Networks, Inc.
    Inventors: Thuan Che, Jaspal S. Gill
  • Patent number: 9350169
    Abstract: An apparatus may include a bus that electrically couples an electrical load to redundant power feeds. The apparatus may also include at least one capacitive component electrically coupled between first and second rails of the bus via both a conductive path and a resistive path that has substantially greater resistance than the conductive path. In addition, the apparatus may include a switching mechanism electrically coupled between the first and second rails of the bus that causes the capacitive component to charge through the conductive path until a threshold voltage on the first rail of the bus is reached. When the threshold voltage on the first rail of the bus is reached, the switching mechanism may close the conductive path and force the capacitive component to charge through the resistive path. Various other systems and methods are also disclosed.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: May 24, 2016
    Assignee: Juniper Networks, Inc.
    Inventors: Thuan Che, Jaspal S. Gill
  • Publication number: 20140339901
    Abstract: An apparatus may include a bus that electrically couples an electrical load to redundant power feeds. The apparatus may also include at least one capacitive component electrically coupled between first and second rails of the bus via both a conductive path and a resistive path that has substantially greater resistance than the conductive path. In addition, the apparatus may include a switching mechanism electrically coupled between the first and second rails of the bus that causes the capacitive component to charge through the conductive path until a threshold voltage on the first rail of the bus is reached. When the threshold voltage on the first rail of the bus is reached, the switching mechanism may close the conductive path and force the capacitive component to charge through the resistive path. Various other systems and methods are also disclosed.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 20, 2014
    Applicant: Juniper Networks, Inc.
    Inventors: Thuan Che, Jaspal S. Gill
  • Patent number: 8848362
    Abstract: A device may include multiple power supplies that are cooled by a system fan. The power supplies may be cross-connected to supply power to one another and the device may monitor temperatures of the power supplies. Based on the temperatures of the power supplies, the device may determine whether any of the power supplies are likely to be on fire. The device may shut off the fan when a power supply is determined to be likely to be on fire.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: September 30, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Thuan Che, Jaspal Gill, Frank Krippendorf
  • Patent number: 8354830
    Abstract: A power system includes a switch, a capacitor and a comparator circuit. The power system receives a signal to turn off power supplied to the power system, turns off the switch that is used to supply power to the system and discharges the capacitor. The power system also compares a voltage across the discharging capacitor to a threshold voltage value, and turns on the switch to allow power to be supplied to the power system when the compared voltage across the discharging capacitor equals the threshold voltage value.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: January 15, 2013
    Assignee: Juniper Networks, Inc.
    Inventors: Jaspal Gill, David Owen, Thuan Che
  • Publication number: 20120126774
    Abstract: A power system includes a switch, a capacitor and a comparator circuit. The power system receives a signal to turn off power supplied to the power system, turns off the switch that is used to supply power to the system and discharges the capacitor. The power system also compares a voltage across the discharging capacitor to a threshold voltage value, and turns on the switch to allow power to be supplied to the power system when the compared voltage across the discharging capacitor equals the threshold voltage value.
    Type: Application
    Filed: January 31, 2012
    Publication date: May 24, 2012
    Applicant: JUNIPER NETWORK INC.
    Inventors: Jaspal Gill, David Owen, Thuan Che
  • Patent number: 8129974
    Abstract: A power system includes a switch, a capacitor and a comparator circuit. The power system receives a signal to turn off power supplied to the power system, turns off the switch that is used to supply power to the system and discharges the capacitor. The power system also compares a voltage across the discharging capacitor to a threshold voltage value, and turns on the switch to allow power to be supplied to the power system when the compared voltage across the discharging capacitor equals the threshold voltage value.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: March 6, 2012
    Assignee: Juniper Networks, Inc.
    Inventors: Jaspal Gill, David Owen, Thuan Che