Back to results
US 9,731,698 B1Granted
System and method for controlling a stop-start system for a vehicle engine
AssigneeFord Global Technologies, LLC
InventorsHafiz Shafeek Khafagy, Chad Everette Griffin, Hank L. Kwong, Ahmed Awadi, Richard John Hippley
Life of this patent
Estimating the term…
Abstract
A start-stop vehicle includes an engine configured to automatically stop and start during travel. The vehicle further includes a gear lever, a brake pedal, and a controller. The controller is programmed to restart the engine or inhibit restarting of the engine depending upon one or more sets of conditions of the vehicle. A method is also present for operating the vehicle based upon the one or more sets of conditions.
Claims20
A method comprising:
- in response to a lever shift from DRIVE to NEUTRAL with an engine being autostopped and a brake pedal being released after expiration of a predetermined period that begins with the shift, inhibiting automatic restart of the engine;
- and
- in response to a lever shift from DRIVE to NEUTRAL with the engine being autostopped and the brake pedal being released prior to expiration of the period, automatically restarting the engine.
A start-stop vehicle comprising:
- an engine configured to automatically stop and start during travel;
- a gear lever;
- a brake pedal;
- and
- a controller programmed to, in response to the lever being shifted from DRIVE to NEUTRAL with the engine being autostopped and the brake pedal being released after expiration of a predetermined period that begins with the shift, inhibit automatic restart of the engine.
2 more elements
A vehicle comprising:
- an engine configured to automatically stop and start during travel;
- a gear selector including a lever movable along a mode channel to select a transmission mode, wherein the mode channel includes DRIVE, NEUTRAL, REVERSE, and PARK positions;
- a brake pedal;
- and
- a controller programmed to,
- automatically stop the engine with the lever in DRIVE,
- in response to the lever shifting from DRIVE to PARK with the engine autostopped and remaining in NEUTRAL for less than a first predetermined period that begins with the lever entering NEUTRAL, suppress automatic restarting of the engine, and
- in response to the lever shifting from DRIVE to PARK with the engine autostopped and remaining in REVERSE for less than a second predetermined period that begins with the lever entering REVERSE, suppress automatic restarting of the engine.
5 more elements
Dependencies are inferred from the claim text.