ArvinMeritor executives on Thursday provided Hybrid Truck Users Forum attendees with the latest information on dual-mode diesel-electric drivetrains, a leading solution for meeting the low-emissions,
high-torque-output needs of the heavy-duty vehicle market.
Dennis Kramer, hybrid program manager, and Tammy Packard, manager of product strategy, led a discussion on new hybrid applications for Class 8 trucks at the Hybrid Truck Users Forum (HTUF) in Seattle.
ArvinMeritor is the leader in the development of dual-mode diesel-electric drivetrains, which have both mechanical and electrical propulsion systems.
"Previously, it was believed that these systems only made sense for vehicles with stop-and-go duty cycles," said Kramer. "Because of our expertise in torque management and torque distribution, we're engineering practical alternative-power solutions for Class 8 trucks that reduce energy consumption, emissions, and greenhouse gasses."
ArvinMeritor's dual-mode diesel-electric drivetrain uses an electric motor primarily for low-speed, high-load operating conditions, such as accelerating from a stop. Once the truck is moving, a mechanical propulsion system blends its power with the electric motor until the vehicle reaches highway speeds, where it completes the transition to a fully mechanical mode. When necessary, the electrical system can provide additional power during hill climbing.
"As experts in propulsion and torque management, we recognize the challenge in specifying alternative-powered Class 8 truck applications," said Packard. "We know how important it is to provide a solution that can be integrated into today's basic vehicle design; is scalable to vehicle size and vocation; and delivers drivetrain and braking performance that's equal to or better than conventional systems."
To be accepted in the Class 8 truck market, she added, alternative-power solutions must be seamless during everyday life in regional or long-haul service. "For example, we know how valuable it is for truck drivers to have overnight 'hotel load' power for the cab and sleeper," Kramer said. "Onboard energy storage is a key element of our architecture."
ArvinMeritor continues to work with partners in developing systems designed for Class 8 trucks. In January 2007, ArvinMeritor and Wal-Mart Transportation launched development of a dual-mode, diesel-electric drivetrain for a Class 8 tractor. The vehicle will be based on an International 8 ProStar tractor and an engine developed by Cummins Inc.
ArvinMeritor will provide the tandem axle, regenerative braking system, air disc brakes and advanced ABS with integrated stability control and driver assistance systems (from Meritor WABCO Vehicle Control Systems), software, electronic controls, transfer case, motors, as well as the battery power from a third party.
high-torque-output needs of the heavy-duty vehicle market.
Dennis Kramer, hybrid program manager, and Tammy Packard, manager of product strategy, led a discussion on new hybrid applications for Class 8 trucks at the Hybrid Truck Users Forum (HTUF) in Seattle.
ArvinMeritor is the leader in the development of dual-mode diesel-electric drivetrains, which have both mechanical and electrical propulsion systems.
"Previously, it was believed that these systems only made sense for vehicles with stop-and-go duty cycles," said Kramer. "Because of our expertise in torque management and torque distribution, we're engineering practical alternative-power solutions for Class 8 trucks that reduce energy consumption, emissions, and greenhouse gasses."
ArvinMeritor's dual-mode diesel-electric drivetrain uses an electric motor primarily for low-speed, high-load operating conditions, such as accelerating from a stop. Once the truck is moving, a mechanical propulsion system blends its power with the electric motor until the vehicle reaches highway speeds, where it completes the transition to a fully mechanical mode. When necessary, the electrical system can provide additional power during hill climbing.
"As experts in propulsion and torque management, we recognize the challenge in specifying alternative-powered Class 8 truck applications," said Packard. "We know how important it is to provide a solution that can be integrated into today's basic vehicle design; is scalable to vehicle size and vocation; and delivers drivetrain and braking performance that's equal to or better than conventional systems."
To be accepted in the Class 8 truck market, she added, alternative-power solutions must be seamless during everyday life in regional or long-haul service. "For example, we know how valuable it is for truck drivers to have overnight 'hotel load' power for the cab and sleeper," Kramer said. "Onboard energy storage is a key element of our architecture."
ArvinMeritor continues to work with partners in developing systems designed for Class 8 trucks. In January 2007, ArvinMeritor and Wal-Mart Transportation launched development of a dual-mode, diesel-electric drivetrain for a Class 8 tractor. The vehicle will be based on an International 8 ProStar tractor and an engine developed by Cummins Inc.
ArvinMeritor will provide the tandem axle, regenerative braking system, air disc brakes and advanced ABS with integrated stability control and driver assistance systems (from Meritor WABCO Vehicle Control Systems), software, electronic controls, transfer case, motors, as well as the battery power from a third party.
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