David Vernon Farrell

US Patent:

20180354492, Dec 13, 2018

Filed:

Jun 9, 2017

Appl. No.:

15/619130

Inventors:

- Dearborn MI, US
David Farrell - Dearborn MI, US
Jeffrey Allen Doering - Canton MI, US
Kevin Ray Ruybal - Canton MI, US

International Classification:

B60W 20/13
B60W 30/14
B60W 10/06
B60W 10/26
B60W 10/08

Abstract:

Methods and systems are provided for rapidly charging a battery in a hybrid vehicle. In one example, a method includes charging a battery at a first rate via an engine transferring torque to a plurality of motor/generators while a vehicle speed is controlled based on a driver demand, and charging the battery at a second rate greater than the first rate via the plurality of motor/generators while the vehicle is autonomously controlled via a cruise control system. In this way, by charging the battery at the second rate while the vehicle speed is being controlled by the cruise control system, drivability issues related to engine torque production and/or motor/generator torque production may be minimized.

US Patent:

20160368486, Dec 22, 2016

Filed:

Aug 30, 2016

Appl. No.:

15/252020

Inventors:

- Dearborn MI, US
David Farrell - Dearborn MI, US
Robert Wright - Royal Oak MI, US
Xiaoyong Wang - Novi MI, US

International Classification:

B60W 20/40
B60K 6/26
B60W 10/02
B60W 20/13
B60W 10/08
B60W 10/06

Abstract:

Systems and methods for cranking an engine of a hybrid vehicle that includes an electric machine to crank the engine and propel the vehicle are disclosed. In one example, engine cranking speed and engine cranking source are selected in response to vehicle operating conditions that may affect whether or not an electrical power source has sufficient energy to crank the engine.

US Patent:

20160229393, Aug 11, 2016

Filed:

Feb 10, 2015

Appl. No.:

14/618027

Inventors:

- Dearborn MI, US
David Farrell - Dearborn MI, US
George Edmund Walley - Novi MI, US
Wei Liang - Farmington Hills MI, US

International Classification:

B60W 20/00
F16H 61/00
B60W 10/02
B60W 10/08
B60W 10/11
F16H 61/02
B60W 10/06

Abstract:

A traction motor of a hybrid electric vehicle drives a primary pump to provide pressurized hydraulic fluid to engage a power flow path of a multi-ratio transmission. To reduce fuel consumption, the motor is maintained at zero speed until a shift lever is moved into a drive position. After a power flow path is established, the motor speed is again reduced to zero until a driver demands torque by pressing an accelerator pedal. While the traction motor is stationary, an auxiliary pump maintains the fluid pressure to keep the transmission power flow path engaged.

US Patent:

20160101770, Apr 14, 2016

Filed:

Oct 10, 2014

Appl. No.:

14/511504

Inventors:

- Dearborn MI, US
Bernard D. Nefcy - Novi MI, US
David Farrell - Dearborn MI, US
Xiaoyong Wang - Novi MI, US

International Classification:

B60W 20/00

Abstract:

A vehicle may include a controller programmed to, in response to a vehicle speed less than a speed threshold, a decrease in driver demand, and a change in steering position greater than a position threshold, maintain a friction element pressure of a friction element configured to couple an engine with and electric machine, and increase an amount of spark retard associated with an engine cylinder.

US Patent:

20160031434, Feb 4, 2016

Filed:

Jul 31, 2014

Appl. No.:

14/448917

Inventors:

- Dearborn MI, US
David Farrell - Dearborn MI, US
Robert Wright - Royal Oak MI, US
Xiaoyong Wang - Novi MI, US

International Classification:

B60W 20/00
B60W 10/08
B60W 10/06
B60W 10/02

Abstract:

Systems and methods for cranking an engine of a hybrid vehicle that includes an electric machine to crank the engine and propel the vehicle are disclosed. In one example, engine cranking speed and engine cranking source are selected in response to vehicle operating conditions that may affect whether or not an electrical power source has sufficient energy to crank the engine.