Patents by Inventor Julia Helen Buckland

Julia Helen Buckland 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 condensation control
    Patent number: 9109505
    Abstract: Methods and systems are provided for reducing condensate accumulation at a charge air cooler (CAC) during cold ambient conditions. A wastegate may be held closed while a compressor recirculation valve is held open during an engine cold start so as to use compressor heating and increased compressor recirculation to expedite CAC heating. EGR delivery is delayed until the CAC is sufficiently warm to reduce the propensity for condensation.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: August 18, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Julia Helen Buckland
  • Method and system for binary flow turbine control
    Patent number: 9103272
    Abstract: Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: August 11, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Julia Helen Buckland, Jeffrey Allen Doering, Brad Alan Boyer
  • Method and system for binary flow turbine control
    Patent number: 9103273
    Abstract: Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: August 11, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Julia Helen Buckland, Amey Y. Karnik, Jeffrey Allen Doering, Brad Alan Boyer
  • Methods and systems for boost control
    Patent number: 9091202
    Abstract: Methods and systems are provided for varying a proportion of compressed air recirculated to a compressor inlet from a location downstream of the compressor and upstream of a charge air cooler and a location downstream of the charge air cooler. A temperature-controlled compressor recirculation flow is used to reduce condensation from EGR being ingested into the compressor. The temperature-controlled compressor recirculation flow is also used to address compressor surge.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: July 28, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Daniel Joseph Styles, Julia Helen Buckland, Joseph Norman Ulrey, James Leiby, Gregory Patrick McConville
  • METHODS AND SYSTEMS FOR FUEL CANISTER PURGE FLOW ESTIMATION WITH AN INTAKE OXYGEN SENSOR
    Publication number: 20150198122
    Abstract: Methods and systems are provided for estimating a fuel canister purge flow based on outputs of an intake manifold oxygen sensor. For example, during boosted engine operation when exhaust gas recirculation (EGR) is flowing below a threshold and purge is enabled, purge flow may be estimated based on changes in the sensor output while modulating a canister purge valve between an open and closed position. Then, during subsequent operation wherein EGR and purge flow are enabled, the output of the sensor may be adjusted based on the estimated purge flow.
    Type: Application
    Filed: January 14, 2014
    Publication date: July 16, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Christian Winge Vigild, Julia Helen Buckland
  • Methods and systems for boost control
    Patent number: 9080506
    Abstract: Methods and systems are provided for coordinating adjustments to a compressor recirculation valve with adjustments to a binary flow turbine scroll valve to reduce surge. The scroll valve is closed to increase turbine energy while the compressor recirculation valve is opened to increase compressor flow. Concurrent adjustments to a wastegate may be used to provide boost pressure control.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: July 14, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Patrick McConville, Julia Helen Buckland, Ralph Wayne Cunningham, Brad Alan Boyer, Jeffrey Allen Doering
  • Method for controlling a variable charge air cooler
    Patent number: 9080499
    Abstract: Embodiments for a charge air cooler are provided. In one example, an engine method comprises increasing intake air flow velocity through a charge air cooler and coordinately adjusting a position of one or more of an intake manifold throttle and a turbocharger wastegate in response to the increased intake air flow velocity to maintain torque. In this way, intake air flow velocity may be increased while maintaining desired torque.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: July 14, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Chris Paul Glugla, Charles A. Cockerill, Shuya Shark Yamada, Phil Andrew Fabien, Julia Helen Buckland
  • Method and system for control of an EGR valve during lean operation in a boosted engine system
    Patent number: 9074541
    Abstract: Methods and systems are provided for reducing EGR estimation errors during lean engine operating conditions. During lean engine operation, EGR is disabled if the estimated exhaust air-fuel ratio becomes leaner than a lean threshold. The lean threshold is adjusted based on an upper limit of EGR errors that may be tolerated by the engine at a given engine speed and load.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: July 7, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Gopichandra Surnilla, Todd Anthony Rumpsa, James Alfred Hilditch, Timothy Joseph Clark, Ralph Wayne Cunningham, Julia Helen Buckland, Daniel Joseph Styles
  • METHOD AND SYSTEM FOR CONTROL OF AN EGR VALVE DURING LEAN OPERATION IN A BOOSTED ENGINE SYSTEM
    Publication number: 20150113948
    Abstract: Methods and systems are provided for reducing EGR estimation errors during lean engine operating conditions. During lean engine operation, EGR is disabled if the estimated exhaust air-fuel ratio becomes leaner than a lean threshold. The lean threshold is adjusted based on an upper limit of EGR errors that may be tolerated by the engine at a given engine speed and load.
    Type: Application
    Filed: October 25, 2013
    Publication date: April 30, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Gopichandra Surnilla, Todd Anthony Rumpsa, James Alfred Hilditch, Timothy Joseph Clark, Ralph Wayne Cunningham, Julia Helen Buckland, Daniel Joseph Styles
  • Boost reservoir control
    Patent number: 8997484
    Abstract: Methods and systems are provided for reducing turbo lag in a boosted engine. A boost reservoir coupled to the engine may be charged with compressed intake air and/or combusted exhaust gas. The pressurized charge may then be discharged during a tip-in to either the intake or the exhaust manifold.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: April 7, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: John Eric Rollinger, Adam J. Richards, Alex O'Connor Gibson, David Bell, Julia Helen Buckland
  • METHODS AND SYSTEMS FOR LOW-PRESSURE EXHAUST GAS RECIRCULATION
    Publication number: 20150071759
    Abstract: A method for controlling air flow through a compressor recirculation passage, comprising: during a first condition: reducing air flow through the compressor recirculation passage based on a margin, the margin based on a rate of air flow at a compressor inlet, a rate of air flow through the compressor recirculation passage, and a rate of EGR flow. In this way, the CRV recirculation flow may be controlled to be less than the amount that could potentially backflow into an air filter disposed in the air intake passage, thus preventing EGR contained in the CRV recirculation flow from fouling the air filter with soot, oil and water.
    Type: Application
    Filed: January 21, 2014
    Publication date: March 12, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: David Karl Bidner, Julia Helen Buckland
  • METHODS AND SYSTEMS FOR CONDENSATION CONTROL
    Publication number: 20150047340
    Abstract: Methods and systems are provided for reducing condensate accumulation at a charge air cooler (CAC) during cold ambient conditions. A wastegate may be held closed while a compressor recirculation valve is held open during an engine cold start so as to use compressor heating and increased compressor recirculation to expedite CAC heating. EGR delivery is delayed until the CAC is sufficiently warm to reduce the propensity for condensation.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Julia Helen Buckland
  • METHODS AND SYSTEMS FOR BOOST CONTROL
    Publication number: 20150047346
    Abstract: Methods and systems are provided for varying a proportion of compressed air recirculated to a compressor inlet from a location downstream of the compressor and upstream of a charge air cooler and a location downstream of the charge air cooler. A temperature-controlled compressor recirculation flow is used to reduce condensation from EGR being ingested into the compressor. The temperature-controlled compressor recirculation flow is also used to address compressor surge.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Daniel Joseph Styles, Julia Helen Buckland, Joseph Norman Ulrey, James Leiby, Gregory Patrick McConville
  • METHODS AND SYSTEMS FOR BOOST CONTROL
    Publication number: 20150047347
    Abstract: Methods and systems are provided for managing a compressor temperature using EGR to address surge and condensation. A variable mixture of cooled compressor recirculation flow and hot EGR is provided to a compressor inlet. A composition of the mixture is adjusted to maintain a compressor inlet temperature sufficiently warm so as to reduce ingestion of condensation, and a compressor outlet temperature sufficiently cold to be within component temperature limits with flow above the surge limit.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Julia Helen Buckland
  • METHODS AND SYSTEMS FOR TORQUE CONTROL
    Publication number: 20150051762
    Abstract: Methods and systems are provided for improving surge control. When surge conditions are approached, a reference governor reduces engine airflow at a slower rate and to a higher level than the engine airflow required to meet the reduced torque demand. The excess torque resulting from the extra airflow is offset by applying a negative torque on the driveshaft via an electric machine coupled to the engine or via alternate engine actuator adjustments.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Adam Nathan Banker, Julia Helen Buckland, Joseph Norman Ulrey, Uros Vojko Kalabic, Matthew John Gerhart, Tobias John Pallett, Ilya Kolmanovsky, Suzanne Kay Wait
  • METHODS AND SYSTEMS FOR SURGE CONTROL
    Publication number: 20150047343
    Abstract: Methods and systems are provided for improving a margin to surge. A compressor recirculation valve is held at a semi-open position during steady-state boosted engine operation and operation in a soft surge region. The valve is fully opened to reduce hard surge, or fully closed to meet a transient increase in boost demand.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Gregory Patrick McConville, Julia Helen Buckland
  • METHODS AND SYSTEMS FOR SURGE CONTROL
    Publication number: 20150047605
    Abstract: Methods and systems are provided for recirculating compressed air across a compressor through a high flow and a low flow compressor recirculation path. Flow through the recirculation paths is controlled via respective valves and valve opening is adjusted based on a throttle mass flow so as to maintain a compressor flow rate at or above a surge constrained flow rate. By maintaining a sufficiently high compressor flow rate during steady state and transient conditions, the compressor state can be maintained outside a surge region.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Julia Helen Buckland, Robert Andrew Wade, Gregory Patrick McConville, Kevin Payne, Joseph Ulrey
  • METHODS AND SYSTEMS FOR BOOST CONTROL
    Publication number: 20150047342
    Abstract: Methods and systems are provided for coordinating adjustments to a compressor recirculation valve with adjustments to a binary flow turbine scroll valve to reduce surge. The scroll valve is closed to increase turbine energy while the compressor recirculation valve is opened to increase compressor flow. Concurrent adjustments to a wastegate may be used to provide boost pressure control.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Gregory Patrick McConville, Julia Helen Buckland, Ralph Wayne Cunningham, Brad Alan Boyer, Jeffrey Allen Doering
  • METHODS AND SYSTEMS FOR BOOST CONTROL
    Publication number: 20150047341
    Abstract: Methods and systems are provided for varying a proportion of compressed air recirculated to a compressor inlet from a location downstream of the compressor and upstream of a charge air cooler and a location downstream of the charge air cooler. A temperature-controlled compressor recirculation flow is used to reduce condensation from EGR being ingested into the compressor. The temperature-controlled compressor recirculation flow is also used to address compressor surge.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Julia Helen Buckland, Gregory Patrick McConville
  • Stored compressed air management for improved engine performance
    Patent number: 8931273
    Abstract: Methods and systems are provided for raising an exhaust temperature to spin a turbocharger turbine and reduce turbo-lag. Pressurized air is discharged from a boost reservoir into an intake manifold while spark retard is increased to expedite exhaust heating while also increasing a net combustion torque. By expediting turbine spin-up in response to a tip-in, turbo-lag is reduced and engine performance is improved.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: January 13, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: John Eric Rollinger, Alex O'Connor Gibson, Julia Helen Buckland, Robert Andrew Wade