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US 8,977,449 B2Granted
Methods and systems for holding a vehicle stopped on a hill
AssigneeFord Global Technologies, LLC
InventorsAlex O'Connor Gibson, David Oshinsky, James William Loch McCallum, Adam Nathan Banker, Felix Nedorezov
Life of this patent
Estimating the term…
Abstract
Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a holding force of a vehicle parked on a hill is adjusted depending on a grade of the hill.
Claims20
A vehicle stopping method, comprising:
- upshifting a transmission to a gear in response to a road grade when a vehicle is stationary;
- and
- automatically stopping an engine of the vehicle in response to vehicle conditions.
A vehicle stopping method, comprising:
- during a first condition, upshifting a transmission to a first gear ratio in response to a first road grade when a vehicle is stationary;
- during a second condition, upshifting the transmission to a second gear ratio in response to a second road grade when the vehicle is stationary;
- and
- automatically stopping an engine in response to vehicle conditions.
1 more element
A vehicle system, comprising:
- an engine;
- a transmission in selective mechanical communication with the engine;
- and
- a controller including executable instructions stored in non-transitory memory for shifting the transmission to a gear in response to road grade while a vehicle in which the engine operates is stationary, the controller also including instructions to apply vehicle brakes in response to road grade.
1 more element
Dependencies are inferred from the claim text.