Patents by Inventor Baitao Xiao

Baitao Xiao 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).

  • Methods and systems for real-time compressor surge line adaptation
    Patent number: 9506474
    Abstract: Methods and systems are provided for adapting a compressor surge line in real-time. In one example, a method may include retarding a surge line in response to a number of surge events greater than a threshold number of surge events, and advancing the surge line in response to a number of aggressive tip-out events, that do not result in surge, greater than a threshold number of tip-out events.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: November 29, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: Baitao Xiao, Hamid-Reza Ossareh, Adam Nathan Banker
  • SYSTEMS AND METHODS FOR IMPROVING MANUAL TRANSMISSION SHIFTING
    Publication number: 20160339920
    Abstract: Systems and methods for improving shifting of a manual transmission coupled to an engine are presented. In one example, a load provided to the engine is increased in response to a transmission gear upshift so that engine speed may be quickly decreased to synchronize with transmission input speed, thereby allowing quicker manual transmission gear shifts.
    Type: Application
    Filed: May 19, 2015
    Publication date: November 24, 2016
    Inventors: Adam Nathan Banker, Hamid-Reza Ossareh, Baitao Xiao
  • System and methods for CBV diagnostics
    Patent number: 9441568
    Abstract: Methods and systems are provided for diagnosing compressor bypass valve degradation. In one example, a method may include indicating degradation of a compressor bypass valve coupled in a compressor bypass based on intake aircharge temperature measured upstream of a compressor inlet via an air charge temperature sensor.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: September 13, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: Hamid-Reza Ossareh, Baitao Xiao, Adam Nathan Banker
  • METHODS AND SYSTEM FOR COMPENSATING COMPRESSOR RECIRCULATION SLUDGE
    Publication number: 20160169091
    Abstract: Systems and methods for compensating for deposits that may accumulate within a compressor recirculation valve positioned in parallel with a turbocharger compressor are presented. The systems and methods adjust actuators to maintain engine operation such that it may be more difficult for a driver to become aware that a compressor recirculation valve diagnostic is being executed.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 16, 2016
    Inventors: Adam Nathan Banker, Hamid-Reza Ossareh, Baitao Xiao
  • METHODS AND SYSTEM FOR IMPROVING COMPRESSOR RECIRCULATION VALVE OPERATION
    Publication number: 20160169089
    Abstract: Systems and methods for improving compressor recirculation valve operation of an engine that includes a compressor are presented. The systems and methods adjust a position of a waste gate while the compressor recirculation valve is operated in a closed loop mode to maintain engine intake manifold throttle inlet pressure during a diagnostic mode to adapt operation of the compressor recirculation valve.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 16, 2016
    Inventors: Baitao Xiao, Adam Nathan Banker, Hamid-Reza Ossareh
  • METHODS AND SYSTEM FOR CONTROLLING COMPRESSOR SURGE
    Publication number: 20160169096
    Abstract: Systems and methods for operating a compressor and a compressor recirculation valve of a turbocharged engine to avoid the possibility of compressor surge are presented. The systems and methods position the compressor recirculation valve responsive to a compressor surge line that is based on two other compressor surge lines that may be a function of compressor pressure ratio and compressor flow.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 16, 2016
    Inventors: Hamid-Reza Ossareh, Todd Anthony Rumpsa, Adam Nathan Banker, Matthew John Gerhart, Gregory Patrick McConville, Baitao Xiao
  • METHODS AND SYSTEM FOR DETERMINING COMPRESSOR RECIRCULATION VALVE SLUDGE
    Publication number: 20160169092
    Abstract: Systems and methods for determining the presence or absence of deposits that may accumulate within a compressor recirculation valve positioned in parallel with a turbocharger compressor are presented. The systems and methods adjust actuators to maintain engine operation such that it may be more difficult for a driver to become aware that a compressor recirculation valve diagnostic is being executed.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 16, 2016
    Inventors: Hamid-Reza Ossareh, Baitao Xiao, Adam Nathan Banker
  • DIAGNOSTIC METHOD FOR A COMPRESSOR RECIRCULATION VALVE
    Publication number: 20160160746
    Abstract: Methods are provided for identifying degradation in components of a compressor recirculation valve (CRV). One method includes differentiating between degradation of a throttle of the CRV and a position sensor of the CRV based on each of a throttle inlet pressure and commanded position of the throttle of the CRV. The method also includes utilizing output from the position sensor of the CRV in response to the commanded position of the throttle of the CRV.
    Type: Application
    Filed: December 9, 2014
    Publication date: June 9, 2016
    Inventors: Adam Nathan Banker, Baitao Xiao, Hamid-Reza Ossareh
  • SLUDGE DETECTION AND COMPENSATION FOR THE CONTINUOUSLY VARIABLE COMPRESSOR RECIRCULATION VALVE
    Publication number: 20160160806
    Abstract: Methods and systems are provided for improving boost pressure control by adjusting a variable compressor recirculation valve. In one example, a method may include adjusting a position of a continuously variable compressor recirculation valve based on amount of sludge accumulation on the valve. The amount of sludge accumulation may be estimated based on a difference between total intake flow downstream of a compressor recirculation passage outlet but upstream of the passage, and total engine flow entering engine cylinders.
    Type: Application
    Filed: December 5, 2014
    Publication date: June 9, 2016
    Inventors: Baitao Xiao, Hamid-Reza Ossareh, Adam Nathan Banker
  • DIAGNOSTIC METHOD FOR A COMPRESSOR RECIRCULATION VALVE
    Publication number: 20160160747
    Abstract: Methods are provided for identifying degradation in components of a compressor bypass valve (CBV). One method comprises commanding a periodic signal to the CBV and indicating degradation of a throttle of the CBV based on changes in pressure at an inlet of an intake throttle in response to the periodic signal.
    Type: Application
    Filed: December 9, 2014
    Publication date: June 9, 2016
    Inventors: Hamid-Reza Ossareh, Adam Nathan Banker, Baitao Xiao
  • METHODS AND SYSTEMS FOR REAL-TIME COMPRESSOR SURGE LINE ADAPTATION
    Publication number: 20160160868
    Abstract: Methods and systems are provided for adapting a compressor surge line in real-time. In one example, a method may include retarding a surge line in response to a number of surge events greater than a threshold number of surge events, and advancing the surge line in response to a number of aggressive tip-out events, that do not result in surge, greater than a threshold number of tip-out events.
    Type: Application
    Filed: December 8, 2014
    Publication date: June 9, 2016
    Inventors: Baitao Xiao, Hamid-Reza Ossareh, Adam Nathan Banker
  • SYSTEM AND METHODS FOR CBV DIAGNOSTICS
    Publication number: 20160131065
    Abstract: Methods and systems are provided for diagnosing compressor bypass valve degradation. In one example, a method may include indicating degradation of a compressor bypass valve coupled in a compressor bypass based on intake aircharge temperature measured upstream of a compressor inlet via an air charge temperature sensor.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 12, 2016
    Inventors: Hamid-Reza Ossareh, Baitao Xiao, Adam Nathan Banker
  • Electric actuator temperature estimation
    Patent number: 9322345
    Abstract: Various methods for estimating electric actuator temperature during certain operational windows are provided. In one example, a method comprises adjusting an electric motor to position a wastegate at a desired wastegate position, while during selected conditions, deviating from the desired position by at least one full half-turn of the motor and indicating motor temperature based on winding resistance averaged over the full half-turn.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: April 26, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: Yan Wang, Baitao Xiao
  • ELECTRIC ACTUATOR TEMPERATURE ESTIMATION
    Publication number: 20150292420
    Abstract: Various methods for estimating electric actuator temperature during certain operational windows are provided. In one example, a method comprises adjusting an electric motor to position a wastegate at a desired wastegate position, while during selected conditions, deviating from the desired position by at least one full half-turn of the motor and indicating motor temperature based on winding resistance averaged over the full half-turn.
    Type: Application
    Filed: April 10, 2014
    Publication date: October 15, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Yan Wang, Baitao Xiao
  • METHODS AND SYSTEMS FOR DETECTING COMPRESSOR RECIRCULATION VALVE FAULTS
    Publication number: 20150096296
    Abstract: Methods are provided for identifying degradation in components of a compressor recirculation valve (CRV). One method may include inferring degradation of the CRV based on adaptation of a compressor surge line outside an expected range.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 9, 2015
    Inventors: Adam Nathan Banker, Baitao Xiao, Hamid-Reza Ossareh