Patents by Inventor Amey Y. Karnik

Amey Y. Karnik 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).

  • Modeling catalyst exotherm due to blowthrough
    Patent number: 8135535
    Abstract: Modeling catalyst exotherm due to blowthrough is provided. The method of advantageously utilizes catalyst temperature based on an amount of blowthrough air and a combustion air-fuel ratio generating a catalyst exotherm.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: March 13, 2012
    Assignee: Ford Global Technologies, LLC
    Inventors: Amey Y. Karnik, Michael John Cullen
  • METHOD AND SYSTEM FOR EXHAUST GAS RECIRCULATION CONTROL
    Publication number: 20120037134
    Abstract: Methods and systems are provided for adjusting an EGR valve and one or more intake throttles responsive to the output of an intake oxygen sensor to provide a desired amount of EGR flow while maintaining engine torque. The adjustments are coordinated to improve distributed control of the EGR valves and intake throttles, and enable EGR flow even when one actuator is limited.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 16, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Mrdjan J. Jankovic, Julie Helen Buckland, Amey Y. Karnik, Daniel Joseph Styles
  • Method and system for controlling vacuum
    Patent number: 8087397
    Abstract: An engine with a two vacuum sources is disclosed. In one example, a valve position is adjusted in when engine load is low and intake manifold pressure is low to arbitrate vacuum between the two vacuum sources. The approach may increase engine operating efficiency during at least some conditions.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: January 3, 2012
    Assignee: Ford Global Technologies, LLC
    Inventors: Ralph Wayne Cunningham, Amey Y. Karnik
  • TURBOCHARGER CONTROL
    Publication number: 20110314807
    Abstract: Various systems and methods for controlling a turbocharger of an engine via a wastegate are described. In one example, actuation of the wastegate is limited when outside a range, the limits of the range varying with boost pressure, turbine inlet pressure, turbine outlet pressure, and atmospheric pressure. In this manner, a tracking error may be reduced when controlling the boost pressure and using the boost pressure to actuate the wastegate in a boost-based wastegate configuration.
    Type: Application
    Filed: June 23, 2010
    Publication date: December 29, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Amey Y. Karnik, Julie Helen Buckland
  • EXHAUST GAS RECIRCULATION (EGR) SYSTEM
    Publication number: 20110283699
    Abstract: Various systems and methods are described for an exhaust gas recirculation (EGR) system coupled to an engine in a vehicle. One example method comprises, calculating an EGR mass flow from a difference between measurements of clean air mass flow and total mass flow, and correcting for a transient mass flow error.
    Type: Application
    Filed: July 5, 2011
    Publication date: November 24, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Gopichandra Surnilla, Daniel Joseph Styles, Mrdjan J. Jankovic, Julia Helen Buckland, Amey Y. Karnik
  • TURBOCHARGER CONTROL
    Publication number: 20110225967
    Abstract: Various systems and methods for controlling a turbocharger of an engine via a wastegate are described. In one example, the wastegate is adjusted according to a difference between the boost pressure and the atmospheric pressure. In this manner, the interdependency between controlling the boost pressure and using the boost pressure to actuate the wastegate in a boost-based wastegate configuration may be reduced.
    Type: Application
    Filed: March 17, 2010
    Publication date: September 22, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Amey Y. Karnik, Mrdjan J. Jankovic
  • Engine Vacuum System
    Publication number: 20110203269
    Abstract: A vacuum pump onboard a vehicle provides vacuum for a brake booster and to control the electronic vacuum regulation valve (EVRV) valve of a wastegate on a turbocharger. Commands to the EVRV are based on an operating condition of an engine and the vacuum level in the vacuum system. In one example, a vacuum sensor is provided to determine vacuum proximate the EVRV. In another example, the vacuum proximate the EVRV is modeled based on the vacuum at the brake booster, which may be determined by a vacuum sensor coupled to the brake booster.
    Type: Application
    Filed: March 17, 2011
    Publication date: August 25, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Amey Y. Karnik, Michael Joseph Zaitz, Julia Helen Buckland, Ralph Wayne Cunningham
  • METHOD AND SYSTEM FOR CONTROLLING VACUUM
    Publication number: 20110174266
    Abstract: An engine with a two vacuum sources is disclosed. In one example, a valve position is adjusted in when engine load is low and intake manifold pressure is low to arbitrate vacuum between the two vacuum sources. The approach may increase engine operating efficiency during at least some conditions.
    Type: Application
    Filed: October 6, 2010
    Publication date: July 21, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Ralph Wayne Cunningham, Amey Y. Karnik
  • MODELING CATALYST EXOTHERM DUE TO BLOWTHROUGH
    Publication number: 20100312451
    Abstract: Modeling catalyst exotherm due to blowthrough is provided. The method of calculating a temperature of exhaust from an internal combustion engine having a catalyst may include determining a temperature of the exhaust, determining a catalyst exotherm based on an amount of blowthrough air and a combustion air-fuel ratio, and adjusting the determined temperature of the exhaust based on the determined catalyst exotherm.
    Type: Application
    Filed: June 9, 2009
    Publication date: December 9, 2010
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Amey Y. Karnik, Michael John Cullen