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Some of the projects successfully completed by the Drivetrain Design and Development Section of Southwest Research Institute (SwRI) are explained in these project briefs:
 

Pumps

• Gear Type Pump Mathematical Model

• Automatic Transmission Pump Test and Evaluation
   

Clutch Packs

• Automatic Transmission Component Spin Loss Test and Evaluation
   

Transmissions

• A Kinematic and Force Analysis of Continuously Variable Tansmission

• Automatic Transmission Efficiency Test and Evaluation
   

Manual Transmissions

• Manual Transmission Efficiency Test and Evaluation

• Manual Transmission Performance Characteristics and Hardware Configuration

• Continuously Variable Transmissions
   

Environmental

• Transmission Fluid Efficiency Effects

• Cold Testing to -40°F of Isolated Transmission Components

• Unacceptable Reverse Shift Times at Extremely Cold Temperature
   

Torque Converters

• Torque Converter Testing and Evaluation Services

• Torque Converter IR
   

Electronic Controllers

• Electronic Controller Evaluation Study
   

Transaxles

• Transaxle Efficiency and Stall Testing and Evaluation Services

• Transaxle Endurance Testing and Evaluation Services
   

NVH

• Shift Feel Testing

• Mercury Marine

• Transaxle Sound Power Testing and Evaluation Services

• Powertrain Component Noise Testing and Evaluation Services
   

Fluids

• Torque Losses Associated with Pumping ATF at Different Temperatures
   

Torque Steer Testing

• Torque Steer Testing and Evaluation Services

For more information about drivetrain engineering capabilities at SwRI or how to contract with SwRI, please contact Douglas Fussner at dfussner@swri.org or (210) 522-3972. 

| Design and Development | Engine, Emissions & Vehicle Research Division | SwRI Home |

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

July 03, 2008