Ford Global Technolgoies, LLC

Eric Frank Banners

Bradley Dean Riedle

Stephen Michael Cicala

Jeffrey Allen Doering

Alex O'Connor Gibson

Hong Jiang

Felix Nedorezov

Steve Michael Cicala

Cory Benson Laroche

Donald G Levens

Kurt Howard Nickerson

Jianping Zhang

Jaewon Choi

Daniel T Lin

Mehran Namazkar

Tim John Kropf

A vehicle includes an engine, a transmission, and a controller. The transmission is configured to transfer power from the engine to at least one drive wheel to propel the vehicle. The controller programmed to, in response to a command to shift the transmission, reduce a torque of the engine from a desired engine torque to a reduced value based on a flare at an input to the transmission during the shift. The controller is further programmed to, in response to the reduced value exceeding a threshold, retard an engine spark and maintain operation of all cylinders of the engine to reduce the torque of the engine during the shift. The controller is further programmed to, in response to the reduced value being less than the threshold, retard the engine spark and shutdown at least one cylinder of the engine to reduce the torque of the engine during the shift.

Powertrain torque control during a transmission shift

A vehicle includes a transmission having a plurality of friction elements selectively engageable to establish power flow paths within the transmission. A controller of the vehicle is programmed to, during a boost phase of a shift, command a first hydraulic boost pressure for a plurality of control loop cycles to an oncoming one of the friction elements (oncoming friction element) and subsequently command a second hydraulic boost pressure less than the first hydraulic boost pressure for only a single control loop cycle that defines an end of the boost phase to the oncoming friction element.

Systems and methods for controlling friction elements

Methods and systems for controlling a transmission coupled to an engine during an engine start are presented. In one example, a method adjusts a transmission tie-up force in response to an indication of transmission slip. The method may improve vehicle launch for stop/start vehicles.

Method for controlling a transmission coupled to an engine that may be automatically stopped

A method of controlling a start-stop vehicle transmission pump, includes: assessing how long an engine has been turned off; and when the engine has been turned off for longer than a predetermined threshold and the vehicle is on, priming the transmission pump.

Priming a start-stop vehicle transmission pump

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Plymouth, MI, United States of America

Eric Frank Banners