Jeffrey Allen Doering - Canton MI, US Steve Michael Cicala - Dearborn Heights MI, US Alex O'Connor Gibson - Ann Arbor MI, US Felix Nedorezov - Rochester Hills MI, US Eric Frank Banners - Plymouth MI, US Hong Jiang - Bloomfield Hills MI, US Donald G. Levens - Plymouth MI, US
Assignee:
FORD GLOBAL TECHNOLOGIES, LLC - Dearborn MI
International Classification:
B60W 10/02
US Classification:
477 70
Abstract:
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.
Systems And Methods For Controlling Friction Elements
- Dearborn MI, US Stephen Michael CICALA - Dearborn Heights MI, US Bradley D RIEDLE - Northville MI, US Eric Frank BANNERS - Plymouth MI, US Cory Benson LAROCHE - Commerce Twp MI, US Kurt Howard NICKERSON - Shelby Township MI, US
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.
Method For Controlling A Transmission Coupled To An Engine That May Be Automatically Stopped
- Dearborn MI, US Steve Michael Cicala - Dearborn Heights MI, US Alex O'Connor Gibson - Ann Arbor MI, US Felix Nedorezov - Rochester Hills MI, US Eric Frank Banners - Plymouth MI, US Hong Jiang - Birmingham MI, US Donald G. Levens - Plymouth MI, US
International Classification:
B60W 10/02 B60W 10/10
US Classification:
477 79
Abstract:
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.
- DEARBORN MI, US Eric F. Banners - Plymouth MI, US Stephen M. Cicala - Dearborn Heights MI, US Tim J. Kropf - Westland MI, US Bradley D. Riedle - Northville MI, US
International Classification:
B60W 10/30 B60W 10/10 B60W 10/04
US Classification:
701 53, 477115
Abstract:
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.