1
Joanne T Woestman, Prabhakar B Patil, Ross M Stunz, Thomas E Pilutti: Strategy to use an on-board navigation system for electric and hybrid electric vehicle energy management. Ford Global Technologies, Carlos L Hanze, November 26, 2002: US06487477 (173 worldwide citation)

The present invention integrates an on-board navigation system to provide energy management for an electric vehicle (EV) and a hybrid electric vehicle (HEV). The HEV control strategy of the present invention accommodates the goals of fuel economy while always meeting driver demand for power and main ...


2
Roy I Davis, Prabhakar B Patil: Electrically powered active suspension for a vehicle. Ford Motor Company, Jerome R Drouillard, Roger L May, Raymond L Coppiellie, October 29, 1991: US05060959 (111 worldwide citation)

An electrically powered suspension for a vehicle including a roadwheel and tire assembly, an electrically powered suspension unit having one end attached to the roadwheel and tire assembly and the other end attached to the chasis of the vehicle, with the suspension unit including an electric motor f ...


3
Prabhakar B Patil: Battery state of charge gauge. Ford Motor Company, Peter Abolins, Keith L Zerschling, June 17, 1986: US04595880 (73 worldwide citation)

A method of computing the state of charge for a battery including the steps of sensing the battery voltage and current, and computing the used battery capacity, C.sub.u, and the average battery current, I. The total battery capacity, C.sub.t is calculated from average current using the Peukert equat ...


4
Joseph C Burba, Ronald G Landman, Prabhakar B Patil, Graydon A Reitz: Method for controlling a motor vehicle powertrain. Ford Motor Company, Frank G McKenzie, Donald J Harrington, May 22, 1990: US04928227 (46 worldwide citation)

A multiple forward speed automatic transmission produces its lowest forward speed ratio when a hydraulic clutch and hydraulic brake are disengaged and a one-way clutch connects a ring gear to the transmission casing. Second forward speed ratio results when the hydraulic clutch is engaged to connect ...


5
Prabhakar B Patil: System for computer controlled shifting of an automatic transmission. Ford Motor Company, Frank G McKenzie, Donald J Harrington, January 17, 1989: US04799158 (29 worldwide citation)

In an automotive vehicle having an automatic transmission that driveably connects a power source to the driving wheels, a method to control the application of hydraulic pressure to a clutch, whose engagement produces an upshift and whose disengagement produces a downshift, the speed of the power sou ...


6
Prabhakar B Patil: Closed loop computer control for an automatic transmission. Ford Motor Company, Frank G McKenzie, Donald J Harrington, April 11, 1989: US04821190 (26 worldwide citation)

In an automotive vehicle having an automatic transmission that driveably connects a power source to the driving wheels, a method to control the application of hydraulic pressure to a clutch, whose engagement produces an upshift and whose disengagement produces a downshift, the speed of the power sou ...


7
Md A Masrur, John M Miller, Prabhakar B Patil: Field oriented motor controller for electrically powered active suspension for a vehicle. Ford Motor Company, Roger L May, Mark L Mollon, June 25, 1991: US05027048 (25 worldwide citation)

An electrically powered suspension for a vehicle including a roadwheel and tire assembly, an electrically powered suspension unit having one end attached to the roadwheel and tire assembly and the other end attached to the chassis of the vehicle, with the suspension unit including an electric motor ...


8
Roy I Davis, Prabhakar B Patil: Computer controllable synchronous shifting of an automatic transmission. Frank G McKenzie, Donald J Harrington, August 8, 1989: US04855914 (25 worldwide citation)

A multiple forward speed automatic transmission produces its lowest forward speed ratio when a hydraulic clutch and hydraulic brake are disengaged and a one-way clutch connects a ring gear to the transmission casing. Second forward speed ratio results when the hydraulic clutch is engaged to connect ...


9
Ming Lang Kuang, Prabhakar B Patil, James Paul McCarthy: Hybrid electric vehicle control strategy while traveling in reverse. Ford Global Technologies, Carlos L Hanze, August 5, 2003: US06603215 (25 worldwide citation)

A method for reverse drive mode operation of a hybrid electric vehicle includes determining an output power of the internal combustion engine, determining a power circulation loss between a generator and a motor, determining a benefit power based on the difference between the output power of the int ...


10
Prabhakar B Patil, John M Miller, Md A Masrur: Fail-safe variable damping suspension for a motor vehicle. Ford Motor Company, Raymond L Coppiellie, Roger L May, December 3, 1991: US05070284 (19 worldwide citation)

A fail-safe variable damping suspension system for a motor vehicle controls the oscillatory spring movements of each wheel via a permanent magnet rotary electric machine which is connected to machine control circuitry by normally open contacts of a relay. In the event of failure of the suspension sy ...