Gillig to add Vanner hybrid beltless alternators to buses

Posted on June 23, 2011

Gillig LLC, a national transit bus manufacturer, now offers the Vanner Hybrid Beltless Alternator (HBA) as standard equipment on its hybrid buses. The Vanner HBA replaces the alternator and the associated pulleys and belts.

The Vanner HBA delivers stable DC power at all temperatures and speeds. In addition to removing the alternator, it also eliminates the need for V-belts, pulleys, voltage regulator, pulleys, idle tensioners, hydraulic lines and fittings and other moving parts.

“We anticipate that transit fleets will only need one HBA for every five alternators and associated parts,” said Chris Collet, Vanner VP, Bus and Hybrid Markets. “The HBA significantly increases vehicle readiness in the yard and cost savings over the life of the bus could be $25,000 or more.”

The HBA provides full power at curb idle and delivers power that exceeds conventional alternators through 85 percent of the drive cycle, according to testing performed by Vanner and Gillig engineers.

Vanner uses a roof-mount installation for the HBA, unlike the alternator, which is located near the engine, to eliminate any potential for thermal events. Testing of the HBA also indicates fuel savings and reduced stress on the engine, which can lead to longer engine life.

Vanner, a supplier of commercial vehicle power management systems since 1977, develops power management solutions for transit and coach buses, ambulances, trucks, mobile office and military vehicles.

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