21
Dennis W Person, Stanley L Pierce, Po lung Liang: Hydraulic control system for electronic transmission control. Ford Motor Company, Frank G McKenzie, Donald J Harrington, July 9, 1985: US04527448 (41 worldwide citation)

The hydraulic control circuit for an automatic transmission includes solenoid-operated clutch pressure valves which selectively connect line pressure to the selected clutch as the winding of the solenoids are energized and de-energized by an electronic control system. A solenoid feed valve and feedb ...


22
Thomas L Greene, Steven M Lepi, Bruce J Palansky, Michael J Cullen: Load condition preemption of scheduled gearshifts in an automatic transmission. Ford Motor Company, Frank G McKenzie, Roger L May, November 24, 1992: US05166879 (41 worldwide citation)

An electronic control system for scheduling gearshifts in an automatic transmission includes storing in electronic memory accessible to a microprocessor, functions relating vehicle speed to throttle position, one function being related to each upshift and downshift. Gearshifts are made by probing co ...


23
Larry T Brown, Marvin P Kraska: Automatic transmission control and strategy for neutral idle. Ford Motor Company, Roger L May, Frank G McKenzie, December 21, 1993: US05272630 (40 worldwide citation)

An automatic transmission for an automotive vehicle having an automatic ratio control wherein provision is made for disengaging a forward-drive clutch which forms a part of the torque flow path from an engine to the torque input element of multiple-ratio gearing and for disengaging the forward-drive ...


24
John A Daubenmier, Elias T Boueri: Forward drive release system for automatic transmission. Ford Motor Company, Frank G McKenzie, Donald J Harrington, April 30, 1985: US04514811 (39 worldwide citation)

A control system for reducing the torque applied to an automotive engine when the vehicle is idling and the transmission is set for operation in an acceptable drive range includes sensors to determine the manual gear selector position, output shaft speed, engine speed, turbine speed, and the throttl ...


25
Elias T Boueri, Dennis C Huntington: Automatic transmission start-up clutch control system. Ford Motor Company, Frank G McKenzie, Donald J Harrington, December 11, 1984: US04487303 (39 worldwide citation)

The start-up clutch of an automatic transmission is pressurized from a source of fluid pressure and vented through operation of a solenoid-operated clutch actuator valve. Operating parameters of the engine and transmission, the size of the throttle angle and setting of the PRNDL gear selector are co ...


26
Rudolf Beim: Multiple speed nonsynchronous automatic transmission for motor vehicles. Ford Motor Company, Frank G McKenzie, Roger L May, March 22, 1994: US05295924 (38 worldwide citation)

A multiple speed ratio transmission for use in the driveline of an automotive vehicle includes a hydrokinetic torque converter and three interconnected planetary gear units, several one-way clutches and brakes, friction clutches and friction brakes. The engaged and release state of the friction elem ...


27
William D Baedke, Michael J Alder: Lubricant cooling system for a motor vehicle axle. Ford Motor Company, Frank G McKenzie, Roger L May, May 31, 1994: US05316106 (38 worldwide citation)

In a driven axle assembly (12) for a motor vehicle that includes a differential housing located substantially in the center of the axle and tubes (16, 17) extending laterally from the differential, surrounding axle shafts (20) and opening into a lubricant reservoir (60) in the differential housing, ...


28
Larry T Brown, Lee Fei Chen, Davorin D Hrovat: Automatic transmission gearshift control having feedforward response of clutch and its hydraulic actuation. Ford Motor Company, Frank G McKenzie, Roger L May, June 23, 1992: US05123302 (37 worldwide citation)

In a powertrain including an engine controlled by the position of the throttle valve, a hydrodynamic torque converter and multiple ratio automatic transmission connected to the drive wheels of the vehicle, a solenoid-operated hydraulic valve supplies pressurized fluid to engage and release the clutc ...


29
Forrest William Hoge, Daniel Warren McCarrick: Coaxial traction drive automatic transmission for automotive vehicles. Ford Global Technologies, Frank G McKenzie, May 9, 2000: US06059685 (37 worldwide citation)

An automatic transmission for motor vehicles includes a traction drive variator having two sets of input discs, a set of output discs, a gearset, a compound planetary gearset, and two clutches for connecting and releasing various elements of the gearsets. The carrier of the gearsets is connected con ...


30
Pramod Kumar Jain, Balaram G Sankpal, Hong Jiang: Control strategy for an automatic transmission. Ford Global Technologies, Frank G McKenzie, October 9, 2001: US06299565 (35 worldwide citation)

An automatic control strategy for use with a multiple-ratio transmission in an automotive vehicle driveline in which the crankshaft of an internal combustion engine is connected directly to torque input elements of multiple-ratio gearing without an intervening hydrokinetic torque converter. The stra ...