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Zhuzhou, Hunan, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Safe and reliable method, device, and system for real-time speed me...
Patent number
11,654,945
Issue date
May 23, 2023
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua Chen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Long stator power supply section and long stator linear motor for m...
Patent number
11,427,085
Issue date
Aug 30, 2022
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua Chen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rail transit communication method and system
Patent number
11,252,630
Issue date
Feb 15, 2022
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Traction distribution method and system of power-distributed train
Patent number
10,661,666
Issue date
May 26, 2020
CRRC ZHUZHOU INSTITUTE CO., LTD.
Wenguang Chen
B60 - VEHICLES IN GENERAL
Information
Patent Grant
FSO communication system
Patent number
10,547,382
Issue date
Jan 28, 2020
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Rotor temperature monitoring method and system for permanent magnet...
Patent number
10,374,545
Issue date
Aug 6, 2019
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for correcting initial zero offset
Patent number
10,263,556
Issue date
Apr 16, 2019
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua Feng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for wireless topology discovery for train backbon...
Patent number
10,257,719
Issue date
Apr 9, 2019
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua Feng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photovoltaic intelligent power supply
Patent number
10,122,176
Issue date
Nov 6, 2018
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua Feng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control method for restarting permanent magnet synchronous motor wi...
Patent number
10,033,313
Issue date
Jul 24, 2018
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Direct-axis current protection method and device for permanent magn...
Patent number
9,991,829
Issue date
Jun 5, 2018
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for acquiring rotor position based on permanent m...
Patent number
9,837,946
Issue date
Dec 5, 2017
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
IRON CORE MAGNETIC CIRCUIT MULTIPLEXING METHOD
Publication number
20240304370
Publication date
Sep 12, 2024
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND SYSTEM DEVICE FOR MULTIPLE LOAD-BEARING OF LINEAR MOTOR...
Publication number
20230147692
Publication date
May 11, 2023
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua CHEN
B60 - VEHICLES IN GENERAL
Information
Patent Application
SAFE AND RELIABLE METHOD, DEVICE, AND SYSTEM FOR REAL-TIME SPEED ME...
Publication number
20210129880
Publication date
May 6, 2021
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua CHEN
B60 - VEHICLES IN GENERAL
Information
Patent Application
LONG STATOR POWER SUPPLY SECTION AND LONG STATOR LINEAR MOTOR FOR M...
Publication number
20200207215
Publication date
Jul 2, 2020
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Gaohua CHEN
B60 - VEHICLES IN GENERAL
Information
Patent Application
RAIL TRANSIT COMMUNICATION METHOD AND SYSTEM
Publication number
20190380084
Publication date
Dec 12, 2019
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FSO COMMUNICATION SYSTEM
Publication number
20190253143
Publication date
Aug 15, 2019
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR CORRECTING INITIAL ZERO OFFSET
Publication number
20180302014
Publication date
Oct 18, 2018
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRACTION DISTRIBUTION METHOD AND SYSTEM OF POWER-DISTRIBUTED TRAIN
Publication number
20180201157
Publication date
Jul 19, 2018
CRRC ZHUZHOU INSTITUTE CO., LTD.
Wenguang CHEN
B60 - VEHICLES IN GENERAL
Information
Patent Application
ROTOR TEMPERATURE MONITORING METHOD AND SYSTEM FOR PERMANENT MAGNET...
Publication number
20170338765
Publication date
Nov 23, 2017
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
G01 - MEASURING TESTING
Information
Patent Application
PHOTOVOLTAIC INTELLIGENT POWER SUPPLY
Publication number
20170271878
Publication date
Sep 21, 2017
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND DEVICE FOR WIRELESS TYPOLOGY DISCOVERY FOR TRAIN BACKBON...
Publication number
20170251382
Publication date
Aug 31, 2017
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua FENG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR ACQUIRING ROTOR POSITION BASED ON PERMANENT M...
Publication number
20160365816
Publication date
Dec 15, 2016
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONTROL METHOD FOR RESTARTING PERMANENT MAGNET SYNCHRONOUS MOTOR WI...
Publication number
20160285397
Publication date
Sep 29, 2016
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DIRECT-AXIS CURRENT PROTECTION METHOD AND DEVICE FOR PERMANENT MAGN...
Publication number
20160268938
Publication date
Sep 15, 2016
CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER