General Motors Oct 2015 - Jul 2016
Electrification Architecture - Hybrid and Electric Energy Systems Engineer
Michigan Technological University Oct 2015 - Jul 2016
Assistant Professor Mechanical Engineering-Engineering Mechanics
General Motors Jul 2011 - Oct 2015
Transmission Road-To-Lab-To-Math Calibration Engineer
General Motors Aug 2007 - Jul 2011
Powertrain Integration - Noise and Vibration
Michigan Technological University Aug 2004 - Aug 2007
Graduate Research Assistant
Education:
Michigan Technological University 2004 - 2007
Doctorates, Doctor of Philosophy, Philosophy, Mechanical Engineering
Michigan Technological University 2000 - 2004
Bachelors, Bachelor of Science, Mechanical Engineering
Skills:
Engineering Simulations Powertrain Automotive Automotive Powertrain System Integration Mechanical Engineering Powertrain and Driveline Torsional Modeling With Amesim and Matlab Automatic Transmission Clutch To Clutch Controls Testing Powertrain Energy Analysis For Vehicle Matching Fmea Automotive Engineering Engineering Management Dfss Black Belt Certification Experimental Design Using Doe Or Dfss Methods Vehicles Matlab Dynamometer Setup and Testing Methods Chassis and Powertrain
Darrell Lee Robinette - Fenton MI, US Clyde A. Bulloch - Hartland MI, US
Assignee:
Gm Global Technology Operations LLC - Detroit MI
International Classification:
F16H 3/44
US Classification:
475317, 475319
Abstract:
A hybrid electro-mechanical transmission has an input member, an output member, and a stationary member. The transmission has a planetary gear set with a first sun gear, a second sun gear, a carrier, a first set of pinion gears, a second set of pinion gears, and a ring gear. The carrier supports the sets of pinion gears. The first set of pinion gears meshes with the first sun gear and with the ring gear. The second set of pinion gears meshes with the second sun gear and with the second set of pinion gears. The input member is connected with the ring gear. The output member is connected with the first sun gear. A first motor/generator has a rotor connected with the carrier. A second motor/generator has a rotor connected with the second sun gear. A torque-transmitting mechanism is selectively engageable to ground the input member to the stationary member.
Darrell Lee Robinette - Fenton MI, US Clyde A. Bulloch - Hartland MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
F16H 37/06
US Classification:
475 5, 475207
Abstract:
A transmission includes an input member, an output member, and a planetary gear set having a first, a second, and a third member. A first electric motor/generator has a first rotor connected for rotation with the first member. A second electric motor/generator has a second rotor connected for rotation with the second member. A first set of intermeshing gears has a first gear ratio, and a second set of intermeshing gears has a second gear ratio different than the first gear ratio. A first torque-transmitting mechanism is engageable to establish torque flow between the planetary gear set and one of the input member and the output member through the first set of intermeshing gears. A second torque-transmitting mechanism is engageable to establish torque flow between the planetary gear set and the one of the input member and the output member through the second set of intermeshing gears.
Multi-Speed Hybrid Powertrain With Series And Parallel Operating Modes
A hybrid powertrain has a prime mover with a drive member and a multi-speed transmission with an input member and an output member. A first motor/generator is continuously connected for common rotation with the drive member. A second motor/generator is continuously connected for common rotation with the input member. A damper is connected with the input member, and a damper clutch is selectively engageable to connect the first motor/generator and the drive member for common rotation with the second motor/generator and the input member through the damper. The hybrid powertrain includes a controller operatively connected to the motor/generators and the damper clutch. The controller is configured to establish at least a hybrid series operating mode and a hybrid parallel operating mode.
A transmission includes a first motor/generator with a first rotor connected for rotation with a first member of a first planetary gear set. A second electric motor/generator has a second rotor connected for rotation with a second member of the first planetary gear set. The second member of the first planetary gear set is connected for common rotation with the output member. The first member of a second planetary gear set rotates with the input member, and the third member of the second planetary gear set is grounded to a stationary member. A first torque-transmitting mechanism establishes torque flow between the first member of the second planetary gear set and the third member of the first planetary gear set. A second torque-transmitting mechanism establishes torque flow between the second member of the second planetary gear set and the third member of the first planetary gear set.
Darrell Lee Robinette - Brighton MI, US Victor M. Roses - Ann Arbor MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
F16H 47/08
US Classification:
475 47
Abstract:
A hydrodynamic torque converter assembly includes an internal planetary gear assembly that splits torque between a torque converter and a direct path to the transmission input as well as a damper and a torque converter clutch. The torque converter assembly includes an input shaft that is driven by the engine output shaft and is coupled to both the planetary gear carrier of the planetary gear assembly and the transmission hydraulic pump. The sun gear of the planetary gear assembly is coupled to the torque converter output shaft through a spring damper. The ring gear of the planetary gear assembly is coupled to one side of the torque converter clutch and the pump of the torque converter. The other side of the torque converter clutch is coupled to both the turbine of the torque converter and the spring damper. The stator of the torque converter is grounded. An alternate embodiment replaces the torque converter with a fluid coupling.
Darrell Lee Robinette - Fenton MI, US Victor M. Roses - Ann Arbor MI, US
Assignee:
GM Global Technology Operations LLC - Detroit MI
International Classification:
F16H 45/02 F16D 21/06 F16D 25/10
US Classification:
192 326, 192 329, 192 48611, 192 48619
Abstract:
A torque transmission assembly is disposed between a power source and a vehicle transmission and includes an annular housing, a pump member of a fluid coupling, a turbine member of the fluid coupling, a lockup clutch, a first shaft, a first selectable clutch, a second shaft, and a second selectable clutch. The turbine member opposes the pump member and the lockup clutch is selectively engaged between the pump member and the turbine member. The first selectable clutch is selectively engaged between the turbine member and the first shaft. The second selectable clutch is selectively engaged between the turbine member and the second shaft.
Darrell Lee Robinette - Fenton MI, US Randall S. Beikmann - Brighton MI, US Michael S. Powell - Holt MI, US
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS, INC. - DETROIT MI
International Classification:
B60K 8/00 F16D 3/14
US Classification:
180300, 464180
Abstract:
A powertrain for a motor vehicle includes an engine disposed in a front of the motor vehicle and having an output member, an automatic transmission disposed in a rear of the motor vehicle and having an input member, a torque converter connected to the input member of the automatic transmission, and a shaft disposed along a length of the motor vehicle and connected to the torque converter. A first damper is connected to the output member of the engine and is connected to the shaft. The first damper has a first spring set interconnected to the output member of the engine and a second spring set interconnected to the first spring set and to the shaft. The first damper is operable to isolate torsional vibration between the engine and the shaft and isolate the shaft from torsional resonant behavior.
Darrell Lee Robinette - Fenton MI, US Clyde A. Bulloch - Hartland MI, US
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS, INC. - Detroit MI
International Classification:
F02N 15/02 F02N 11/00
US Classification:
12317925
Abstract:
A starter for an internal combustion engine includes a stationary member and an output member adapted for starting the engine. The starter also includes a first planetary gear set and a second planetary gear set. Each of the respective first and second planetary gear sets includes a first, a second, and a third gear member and each of the respective first and second planetary gear sets is operatively connected to the output member. The starter additionally includes a motor operatively connected to the first gear set and to the second gear set for driving the output member. A motor vehicle employing the disclosed starter is also provided.
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