Zhijun Liu

Person

Menomonee Falls, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Adjustable AC/DC conversion topology to regulate an isolated DC loa...
- Patent number 11,976,376
- Issue date May 7, 2024
- Rockwell Automation Technologies, Inc.
- Nickolay N. Guskov
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method and apparatus to mitigate DC bus over-voltages on common AC...
- Patent number 11,652,421
- Issue date May 16, 2023
- Rockwell Automation Technologies, Inc.
- Gary L. Skibinski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus to mitigate DC bus over-voltages on common AC...
- Patent number 11,342,861
- Issue date May 24, 2022
- Rockwell Automation Technologies, Inc.
- Zhijun Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adjustable AC/DC conversion topology to regulate an isolated DC loa...
- Patent number 10,947,636
- Issue date Mar 16, 2021
- Rockwell Automation Technologies, Inc.
- Nickolay N. Guskov
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Arc flash resistant enclosure with segregated cooling
- Patent number 10,629,396
- Issue date Apr 21, 2020
- Rockwell Automation Technologies, Inc.
- Gary L. Skibinski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for ground fault detection
- Patent number 10,302,688
- Issue date May 28, 2019
- Rockwell Automation Technologies, Inc.
- Jiangang Hu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus and method for automatic ground fault location determinat...
- Patent number 9,684,026
- Issue date Jun 20, 2017
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for detection of a ground fault in a high resistance ground...
- Patent number 9,612,269
- Issue date Apr 4, 2017
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for automatic ground fault location determinat...
- Patent number 9,604,543
- Issue date Mar 28, 2017
- Rockwell Automation Technologies, Inc.
- Jiangang Hu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fault identification techniques for high resistance grounded systems
- Patent number 9,091,742
- Issue date Jul 28, 2015
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Grant
System for detection of a ground fault in a high resistance ground...
- Patent number 8,698,504
- Issue date Apr 15, 2014
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC bus clamp circuit to prevent over voltage failure of adjustable...
- Patent number 8,233,258
- Issue date Jul 31, 2012
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fuzzy logic winder analyzer
- Patent number 6,047,275
- Issue date Apr 4, 2000
- Allen Bradley Company, LLC
- Todd R. Jaremko
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS TO MITIGATE DC BUS OVER-VOLTAGES ON COMMON AC...
- Publication number 20220216800
- Publication date Jul 7, 2022
- Rockwell Automation Technologies, Inc.
- Gary L. Skibinski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS TO MITIGATE DC BUS OVER-VOLTAGES ON COMMON AC...
- Publication number 20220103086
- Publication date Mar 31, 2022
- Rockwell Automation Technologies, Inc.
- Zhijun Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADJUSTABLE AC/DC CONVERSION TOPOLOGY TO REGULATE AN ISOLATED DC LOA...
- Publication number 20210189584
- Publication date Jun 24, 2021
- Rockwell Automation Technologies, Inc.
- Nickolay N. Guskov
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ARC FLASH RESISTANT ENCLOSURE WITH SEGREGATED COOLING
- Publication number 20180323022
- Publication date Nov 8, 2018
- Rockwell Automation Technologies, Inc.
- Gary L. Skibinski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADJUSTABLE AC/DC CONVERSION TOPOLOGY TO REGULATE AN ISOLATED DC LOA...
- Publication number 20180274122
- Publication date Sep 27, 2018
- Rockwell Automation Technologies, Inc.
- Nickolay N. Guskov
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SYSTEM AND METHOD FOR GROUND FAULT DETECTION
- Publication number 20170131341
- Publication date May 11, 2017
- Rockwell Automation Technologies, Inc.
- Jiangang Hu
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR AUTOMATIC GROUND FAULT LOCATION DETERMINAT...
- Publication number 20150355262
- Publication date Dec 10, 2015
- Rockwell Automation Technologies, Inc.
- Jiangang Hu
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR AUTOMATIC GROUND FAULT LOCATION DETERMINAT...
- Publication number 20150097571
- Publication date Apr 9, 2015
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...
- Publication number 20140225625
- Publication date Aug 14, 2014
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
FAULT IDENTIFICATION TECHNIQUES FOR HIGH RESISTANCE GROUNDED SYSTEMS
- Publication number 20130218491
- Publication date Aug 22, 2013
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...
- Publication number 20120086458
- Publication date Apr 12, 2012
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
DC BUS CLAMP CIRCUIT TO PREVENT OVER VOLTAGE FAILURE OF ADJUSTABLE...
- Publication number 20100177452
- Publication date Jul 15, 2010
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

Adjustable AC/DC conversion topology to regulate an isolated DC loa...

Method and apparatus to mitigate DC bus over-voltages on common AC...

Method and apparatus to mitigate DC bus over-voltages on common AC...

Adjustable AC/DC conversion topology to regulate an isolated DC loa...

Arc flash resistant enclosure with segregated cooling

System and method for ground fault detection

Apparatus and method for automatic ground fault location determinat...

System for detection of a ground fault in a high resistance ground...

Apparatus and method for automatic ground fault location determinat...

Fault identification techniques for high resistance grounded systems

System for detection of a ground fault in a high resistance ground...

DC bus clamp circuit to prevent over voltage failure of adjustable...

Fuzzy logic winder analyzer

Patents Applicationslast 30 patents

METHOD AND APPARATUS TO MITIGATE DC BUS OVER-VOLTAGES ON COMMON AC...

METHOD AND APPARATUS TO MITIGATE DC BUS OVER-VOLTAGES ON COMMON AC...

ADJUSTABLE AC/DC CONVERSION TOPOLOGY TO REGULATE AN ISOLATED DC LOA...

ARC FLASH RESISTANT ENCLOSURE WITH SEGREGATED COOLING

ADJUSTABLE AC/DC CONVERSION TOPOLOGY TO REGULATE AN ISOLATED DC LOA...

SYSTEM AND METHOD FOR GROUND FAULT DETECTION

APPARATUS AND METHOD FOR AUTOMATIC GROUND FAULT LOCATION DETERMINAT...

APPARATUS AND METHOD FOR AUTOMATIC GROUND FAULT LOCATION DETERMINAT...

SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...

FAULT IDENTIFICATION TECHNIQUES FOR HIGH RESISTANCE GROUNDED SYSTEMS

SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...

DC BUS CLAMP CIRCUIT TO PREVENT OVER VOLTAGE FAILURE OF ADJUSTABLE...