Martin V Brown

Address:

2147 S Astor Rd, Baldwin, MI 49304

VIN:

1FMEU53807UA50954

Make:

FORD

Model:

EXPLORER SPORT TRAC

Year:

2007

US Patent:

20180223760, Aug 9, 2018

Filed:

Apr 3, 2018

Appl. No.:

15/944341

Inventors:

- Dearborn MI, US
James Alfred Hilditch - Canton MI, US
Ross Dykstra Pursifull - Dearborn MI, US
Michael McQuillen - Warren MI, US
Martin Brown - Dearborn MI, US
Imtiaz Ali - Lathrup Village MI, US
Naginder Gogna - Farmington Hills MI, US

International Classification:

F02D 41/14
F02D 41/26
F02D 41/00
F02D 41/18
F02D 41/24
F02D 41/28

Abstract:

Methods and systems are provided for accurately estimating intake aircharge based on the output of an intake oxygen sensor while flowing EGR, purge, or PCV hydrocarbons to the engine. The unadjusted aircharge estimate is used for engine fuel control while the hydrocarbon adjusted aircharge estimate is used for engine torque control. A controller is configured to sample the oxygen sensor at even increments in a time domain, stamp the sampled data in a crank angle domain, store the sampled data in a buffer, and then select one or more data samples corresponding to a last firing period from the buffer for estimating the intake aircharge.

US Patent:

20170268447, Sep 21, 2017

Filed:

Mar 21, 2016

Appl. No.:

15/075875

Inventors:

- Dearborn MI, US
James Alfred Hilditch - Canton MI, US
Ross Dykstra Pursifull - Dearborn MI, US
Michael McQuillen - Warren MI, US
Martin Brown - Dearborn MI, US
Imtiaz Ali - Lathrup Village MI, US
Naginder Gogna - Farmington Hills MI, US

International Classification:

F02D 41/14
F02D 41/26
F02D 41/18

Abstract:

Methods and systems are provided for accurately estimating intake aircharge based on the output of an intake oxygen sensor while flowing EGR, purge, or PCV hydrocarbons to the engine. The unadjusted aircharge estimate is used for engine fuel control while the hydrocarbon adjusted aircharge estimate is used for engine torque control. A controller is configured to sample the oxygen sensor at even increments in a time domain, stamp the sampled data in a crank angle domain, store the sampled data in a buffer, and then select one or more data samples corresponding to a last firing period from the buffer for estimating the intake aircharge.