Patents by Inventor Kevin Zhong

Kevin Zhong 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).

  • Publication number: 20190160955
    Abstract: An electrical circuit for electric vehicle supply equipment, the electrical circuit including a pilot control signal unit structured to generate a pilot control signal having a state including one of a high state and a low state, an isolation unit electrically connected to the pilot control signal unit and a first ground and being structured to isolate the pilot control signal to generate an isolated pilot control signal, and an amplification unit electrically connected to the isolation unit, having a second ground, and being structured to amplify the isolated pilot control signal to generate a pilot signal. The isolation unit is structured to isolate the second ground of the amplification unit from the first ground.
    Type: Application
    Filed: November 30, 2017
    Publication date: May 30, 2019
    Applicant: EATON CORPORATION
    Inventors: LIN YANG, TOM XIONG, KEVIN ZHONG, CHUANCHUAN ZHUANG, XIANZHEN ZHANG
  • Publication number: 20190097409
    Abstract: A circuit interrupter including a first set of separable contacts, a second set of separable contacts, a first operating mechanism structured to open the first set of separable contacts, a second operating mechanism structured to open and close the second set of separable contacts, and an electronic trip unit including a routine structured to detect a fault condition and a type of the fault condition, to control the second operating mechanism to open the second set of separable contacts in response to detecting a first type of fault condition, and to control the second operating mechanism to close the second set of separable contacts a predetermined amount of time after controlling the second operating mechanism to open the second set of separable contacts.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 28, 2019
    Applicant: EATON CORPORATION
    Inventors: MARTIN CHEN, TOM XIONG, KEVIN ZHONG, LILY DU
  • Patent number: 10211015
    Abstract: A dimmer switch system electrically connected between a power source and a load includes a primary housing including a primary switch actuatable by a user, a processor structured to change a state of the dimmer switch based on actuation of either the primary switch or the secondary switch, and a secondary switch isolation circuit. The dimmer switch system also includes a secondary housing including a secondary switch actuatable by the user and being electrically connected to the power source. The secondary switch isolation circuit is electrically connected between the secondary switch and the processor, the secondary switch isolation circuit including an optocoupler and being structured to isolate the processor from the power source and to provide a signal to the processor based on a state of the secondary switch.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: February 19, 2019
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Kevin Zhong, Saivaraprasad Murahari, Ahmed El-Gayyar
  • Patent number: 10123391
    Abstract: A dimmer switch system electrically connected between a power source and a load includes a primary housing including a primary switch actuatable by a user, a processor structured to change a state of the dimmer switch based on actuation of either the primary switch or the secondary switch, and a secondary switch isolation circuit. The dimmer switch system also includes a secondary housing including a secondary switch actuatable by the user and being electrically connected to the power source. The secondary switch isolation circuit is electrically connected between the secondary switch and the processor, the secondary switch isolation circuit including a transistor electrically coupled between the power source and the processor and being structured to provide impedance between the power source and the processor. The secondary switch isolation circuit is structured to provide a signal to the processor based on a state of the secondary switch.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: November 6, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Tom Xiong, Kevin Zhong, Lin Yang
  • Publication number: 20180286611
    Abstract: A dimmer switch system electrically connected between a power source and a load includes a primary housing including a primary switch actuatable by a user, a processor structured to change a state of the dimmer switch based on actuation of either the primary switch or the secondary switch, and a secondary switch isolation circuit. The dimmer switch system also includes a secondary housing including a secondary switch actuatable by the user and being electrically connected to the power source. The secondary switch isolation circuit is electrically connected between the secondary switch and the processor, the secondary switch isolation circuit including an optocoupler and being structured to isolate the processor from the power source and to provide a signal to the processor based on a state of the secondary switch.
    Type: Application
    Filed: April 3, 2017
    Publication date: October 4, 2018
    Applicant: EATON CORPORATION
    Inventors: KEVIN ZHONG, SAIVARAPRASAD MURAHARI, AHMED EL-GAYYAR
  • Patent number: 10056216
    Abstract: A trip bar cam unit for a trip bar is provided. The trip bar cam unit includes a trip bar cam unit body, a cam lever, and a keyed protrusion. The trip bar cam unit body defines an axis of rotation. The cam lever extends generally radially from the trip bar cam unit body. The keyed protrusion corresponds to a trip bar axial bore.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: August 21, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Martin Chen, Tom Xiong, Kevin Zhong
  • Patent number: 10017064
    Abstract: An electrical circuit for electric vehicle supply equipment including a pilot control signal unit structured to generate a pilot control signal having a state including one of a high state and a low state, a pilot control signal isolation unit structured to generate an isolated pilot control signal that is isolated from the power lines of the electric vehicle supply equipment and is based on the state of the pilot control signal, and an amplification unit structured to generate a pilot signal based on the state of the pilot control signal. The amplification unit is structured to receive the isolated pilot control signal and the isolated voltage and to use the isolated pilot control signal and the isolated voltage to generate the pilot signal, and the pilot signal is isolated from the power lines of the electric vehicle supply equipment.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: July 10, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Andrew Yang, Tom Xiong, Kevin Zhong, Alex Zhuang, Martin Chen
  • Publication number: 20180170199
    Abstract: An electrical circuit for electric vehicle supply equipment including a pilot control signal unit structured to generate a pilot control signal having a state including one of a high state and a low state, a pilot control signal isolation unit structured to generate an isolated pilot control signal that is isolated from the power lines of the electric vehicle supply equipment and is based on the state of the pilot control signal, and an amplification unit structured to generate a pilot signal based on the state of the pilot control signal. The amplification unit is structured to receive the isolated pilot control signal and the isolated voltage and to use the isolated pilot control signal and the isolated voltage to generate the pilot signal, and the pilot signal is isolated from the power lines of the electric vehicle supply equipment.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 21, 2018
    Applicant: Eaton Corporation
    Inventors: ANDREW YANG, TOM XIONG, KEVIN ZHONG, ALEX ZHUANG, MARTIN CHEN
  • Publication number: 20180138723
    Abstract: An electric vehicle charging circuit breaker for charging an electric vehicle with power from a power source. The electric vehicle charging circuit breaker includes a circuit protection unit structured to provide circuit protection between the power source and the electric vehicle, an electric vehicle charging unit structured to control charging of the electric vehicle, a metering unit structured to meter power flowing between the power source and the electric vehicle, and a display unit structured to display information including at least one of metering information and a status of electric vehicle charging.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 17, 2018
    Applicant: EATON CORPORATION
    Inventors: KEVIN ZHONG, TOM XIONG, DARRON KIRBY LACEY, SOPHIA ZHANG, LILY DU
  • Patent number: 9973106
    Abstract: An electric circuit for use with an AC power source includes a diode electrically connected to a line input from the AC power source, a transistor having a gate, a drain, and a source, wherein the drain is electrically connected to the diode, a zener diode electrically connected between the gate and the source of the transistor, a resistor electrically connected between the drain of the transistor and a neutral input from the AC power source, and a capacitor electrically connected in parallel with the resistor.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: May 15, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Tom Xiong, Kevin Zhong
  • Publication number: 20180062534
    Abstract: An electric circuit for use with an AC power source includes a diode electrically connected to a line input from the AC power source, a transistor having a gate, a drain, and a source, wherein the drain is electrically connected to the diode, a zener diode electrically connected between the gate and the source of the transistor, a resistor electrically connected between the drain of the transistor and a neutral input from the AC power source, and a capacitor electrically connected in parallel with the resistor.
    Type: Application
    Filed: August 29, 2016
    Publication date: March 1, 2018
    Applicant: EATON CORPORATION
    Inventors: TOM XIONG, KEVIN ZHONG
  • Publication number: 20180053616
    Abstract: A trip bar cam unit for a trip bar is provided. The trip bar cam unit includes a trip bar cam unit body, a cam lever, and a keyed protrusion. The trip bar cam unit body defines an axis of rotation. The cam lever extends generally radially from the trip bar cam unit body. The keyed protrusion corresponds to a trip bar axial bore.
    Type: Application
    Filed: August 22, 2016
    Publication date: February 22, 2018
    Applicant: Eaton Corporation
    Inventors: Martin Chen, Tom Xiong, Kevin Zhong
  • Patent number: D702640
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: April 15, 2014
    Assignee: Cooper Technologies Company
    Inventors: Carlos Eduardo Restrepo, Rohit Sumerchand Dodal, Bob Zhu, Alex Zhuang, Kevin Zhong
  • Patent number: D720295
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: December 30, 2014
    Assignee: Cooper Technologies Company
    Inventors: Rohit Sumerchand Dodal, Oscar Neundorfer, Martin Chen, Kevin Zhong
  • Patent number: D722562
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: February 17, 2015
    Assignee: Cooper Technologies Company
    Inventors: Carlos Eduardo Restrepo, Rohit Sumerchand Dodal, Bob Zhu, Alex Zhuang, Kevin Zhong