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US 9,994,222 B2Granted
Vehicle and start/stop method for a vehicle
AssigneeFord Global Technologies, LLC
InventorsHafiz Shafeek Khafagy, Eric Michael Rademacher, Yunjiao Cai, Hank L. Kwong, Hussam Makkiya
Life of this patent
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Abstract
A vehicle includes an engine, automatic transmission, and a controller. The engine is configured to auto-start and auto-stop. The automatic transmission has a shift-by-wire gear selector. The controller is programmed to, in response to shifting the gear selector to a neutral position while the engine is running, command the engine to auto-stop.
Claims18
A vehicle comprising:
- an engine configured to auto-start and auto-stop;
- an automatic transmission having a shift-by-wire gear selector;
- and
- a controller programmed to,
- in response to shifting the gear selector to a neutral position while the engine is running, command the engine to auto-stop, and
- in response to detecting reverse motion of the vehicle while the engine is auto-stopped and the gear selector is in the neutral position, command the engine to auto-start.
3 more elements
A vehicle comprising:
- an engine configured to auto-start and auto-stop;
- an automatic transmission having a shift-by-wire gear selector;
- and
- a controller programmed to, in response to shifting the gear selector to a neutral position while the engine is auto-stopped, inhibit the engine from being auto-started.
1 more element
A vehicle engine start/stop control method comprising:
- shifting an automatic transmission to a neutral position via a shift-by-wire gear selector while a vehicle engine is running;
- auto-stopping the engine in response to the shifting;
- and
- auto-starting the engine while the engine is auto-stopped and the gear selector is in the neutral position in response to a road gradient exceeding a threshold.
1 more element
Dependencies are inferred from the claim text.