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Weatogue, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for optimal speed protection for power turbine...
Patent number
11,976,633
Issue date
May 7, 2024
RTX Corporation
Chaohong Cai
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Speed limiting for power turbine governing and protection in a turb...
Patent number
11,346,290
Issue date
May 31, 2022
Raytheon Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Systems and methods for optimal speed protection for power turbine...
Patent number
11,092,136
Issue date
Aug 17, 2021
Raytheon Technologies Corporation
Chaohong Cai
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Systems and methods for power turbine governing
Patent number
10,961,922
Issue date
Mar 30, 2021
Raytheon Technologies Corporation
Richard P. Meisner
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Optimal thrust control of an aircraft engine
Patent number
10,711,734
Issue date
Jul 14, 2020
Raytheon Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Turboshaft engine control
Patent number
10,316,760
Issue date
Jun 11, 2019
United Technologies Corporation
Richard P. Meisner
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Optimal thrust control of an aircraft engine
Patent number
10,253,725
Issue date
Apr 9, 2019
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Cascaded multi-variable control system for a turboshaft engine
Patent number
10,113,487
Issue date
Oct 30, 2018
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Load estimation for a twin-engine helicopter
Patent number
10,036,331
Issue date
Jul 31, 2018
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Model-based optimal control for stall margin limit protection in an...
Patent number
9,878,692
Issue date
Jan 30, 2018
United Technologies Corporation
Chaohong Cai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
System and method for controlling a gas turbine engine
Patent number
9,732,625
Issue date
Aug 15, 2017
United Technologies Corporation
Chaohong Cai
G05 - CONTROLLING REGULATING
Information
Patent Grant
Twin-engine rotorcrafts and load power sharing control systems ther...
Patent number
9,500,138
Issue date
Nov 22, 2016
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
System and method for load power management in a turboshaft gas tur...
Patent number
9,494,085
Issue date
Nov 15, 2016
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Model-based optimal control for stall margin limit protection in an...
Patent number
9,441,547
Issue date
Sep 13, 2016
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
System and method for controlling an absorption chiller configured...
Patent number
9,250,002
Issue date
Feb 2, 2016
Carrier Corporation
Jiachuan Wang
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Model-based optimal control for stall margin limit protection in an...
Patent number
9,206,745
Issue date
Dec 8, 2015
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMAL SPEED PROTECTION FOR POWER TURBINE...
Publication number
20210340956
Publication date
Nov 4, 2021
Raytheon Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
SPEED LIMITING FOR POWER TURBINE GOVERNING AND PROTECTION IN A TURB...
Publication number
20210262400
Publication date
Aug 26, 2021
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
OPTIMAL THRUST CONTROL OF AN AIRCRAFT ENGINE
Publication number
20200025130
Publication date
Jan 23, 2020
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEMS AND METHODS FOR OPTIMAL SPEED PROTECTION FOR POWER TURBINE...
Publication number
20190338754
Publication date
Nov 7, 2019
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
SYSTEMS AND METHODS FOR POWER TURBINE GOVERNING
Publication number
20190309689
Publication date
Oct 10, 2019
United Technologies Corporation
Richard P. Meisner
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
LOAD ESTIMATION FOR A TWIN-ENGINE HELICOPTER
Publication number
20180073441
Publication date
Mar 15, 2018
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
MODEL-BASED OPTIMAL CONTROL FOR STALL MARGIN LIMIT PROTECTION IN AN...
Publication number
20170198643
Publication date
Jul 13, 2017
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR CONTROLLING A GAS TURBINE ENGINE
Publication number
20160208639
Publication date
Jul 21, 2016
United Technologies Corporation
Chaohong Cai
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
SYSTEM AND METHOD FOR LOAD POWER MANAGEMENT IN A TURBOSHAFT GAS TUR...
Publication number
20160208717
Publication date
Jul 21, 2016
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Optimal Thrust Control of an Aircraft Engine
Publication number
20160138523
Publication date
May 19, 2016
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
TURBOSHAFT ENGINE CONTROL
Publication number
20160069277
Publication date
Mar 10, 2016
United Technologies Corporation
Richard P. MEISNER
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Model-Based Optimal Control For Stall Margin Limit Protection in an...
Publication number
20150345403
Publication date
Dec 3, 2015
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Cascaded Multi-Variable Control System for a Turboshaft Engine
Publication number
20150113996
Publication date
Apr 30, 2015
United Technologies Corporation
Chaohong Cai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SYSTEM AND METHOD FOR CONTROLLING AN ABSORPTION CHILLER CONFIGURED...
Publication number
20120216552
Publication date
Aug 30, 2012
Carrier Corporation
Jiachuan Wang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...