Bendix
Bendix showcases global scalable air treatment and electric air compressors at ACT Expo

Bendix showcases global scalable air treatment, electric air compressors at ACT Expo

May 22, 2024
GSAT is a modular control system for compressed air-operated braking systems built to address evolving functionalities and regional environmental regulations while providing manufacturers with flexibility during installation.

LAS VEGAS—Bendix Commercial Vehicle Systems showcased its Global Scalable Air Treatment technology and electric air compressors at the Advanced Clean Transportation Expo in Las Vegas, Nevada.

GSAT is a modular control system for compressed air-operated braking systems built to address evolving functionalities and regional environmental regulations while providing manufacturers with flexibility during installation. Bendix’s electric air compressors deliver reliable air supply ideal for electric and other alternative-fuel vehicles.

“Regardless of what’s fueling your fleet, most commercial vehicles out there—including EVs—continue to rely on compressed air for a range of crucial functions, including braking and advanced driver assistance systems,” said Jason Kolecki, Bendix director, marketing and customer solutions—Air Supply and Drivetrain. “GSAT and our eCompressors—motor and compressor—have key roles in supporting both safety and sustainability in the North American commercial vehicle industry.”

What GSAT offers

Based on 20 years of development and field experience in electronic air control, GSAT can control both traditional air compressors as well as those operated by electric motors. Its construction uses an aluminum plate, interior polymer components, and a steel plate to achieve the structural strength required to withstand the required air pressure levels.

GSAT’s intelligent functional controller drives closer integration of the air compressor and air dryer, and it delivers fuel savings by incorporating a more intelligent charging strategy and directing the compressor speed control for optimal charging efficiency.

GSAT also integrates the features of Bendix Intellipark Electronic Parking Brake System, which helps to potentially mitigate rollaway by applying the parking brakes if the driver forgets. The electronic parking brake still allows actuation without electricity. Incorporating the parking brake also reduces the total weight of the air treatment system. In addition, GSAT enhances brake system features of today, such as anti-compounding and spring brake inversion, by making them electronically controlled. The overall system also offers the latest technologies in functional safety and cybersecurity protection.

“Even with all it does, GSAT comes in a compact, lightweight design and modularity that make it easy to incorporate into a wide range of vehicles across many applications, and its functions can be customized by the manufacturer,” Kolecki said. “And because it’s electronically connected, there are maintenance advantages like advanced air system health monitoring, including diagnostics and prognostics.”

See also: Bendix highlights global scalable brake control during Advanced Clean Transportation Expo

Two available eCompressor models

Bendix offers two models of electric compressors suited for different vehicle applications: the ESM Electric Screw Module and the EVM Electric Vane Module.

“Both eCompressor models are an ideal match for alternative-drive vehicles since they operate noticeably quieter than a comparable piston compressor,” Kolecki said.

Bendix eCompressors contain an electric motor with an integrated high-voltage DC/AC inverter. This feature enables smooth starts and stops and air delivery adjustments. The eCompressors are connected to the vehicle’s Controller Area Network and respond to the air system controller’s input based on changing air demand requirements.

Both are used in hybrid and fully electric vehicles, but the ESM is better suited for high-air demand applications like transit buses and trucks, while the EVM optimizes air systems for low- and medium-air demand applications like long-haul vehicles.

With an evolving propulsion landscape for heavy vehicles, Bendix solutions remain flexible to integrate into traditional internal combustion engines or new zero-emission drivetrains.

About the Author

FleetOwner Staff

Our Editorial Team

Kevin Jones, Editorial Director, Commercial Vehicle Group

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