Accessory Drives
They say the key to a successful relationship is compromise. However, when it comes to the relationship of performance and fuel economy, accessory drive engineers and designers have had to compromise for far too long. Increasing performance and fuel economy by optimizing system operation is now possible with NuVinci® CVP technology.
Accessory drives utilizing NuVinci CVP technology eliminate the compromise of fixed ratio accessory drives by de-coupling accessory RPM from engine RPM. Now the accessory will run at the optimum demand speed regardless of engine speed. With NuVinci technology, the drive can also be boosted to provide full-rated accessory output regardless of engine speed – even at engine idle – or accessory speed can be reduced when demand is low, enabling improved fuel economy and performance.
NuVinci optimized accessory drives are completely silent in operation. Their highly flexible packaging enables use of existing beltlines (with no extra belts needed) and their stable, predictable shift controls (using simple electric or low pressure hydraulic actuators) ease implementation of simple, yet innovative powertrain tuning.
More economy. More performance. No compromise.
Accessory Drive Applications
Accessory drives that include NuVinci CVP technology can provide numerous options for cars, light trucks, buses, trucks, and a variety of commercial vehicles. Current applications include:
- AC Compressor
Improve AC performance and fuel economy at idle without increasing compressor size: “Passenger comfort and fuel efficiency - improved” - Alternator
Produce rated power at idle and increase fuel economy by delivering ideal alternator speed all the time: “Electrical power and fuel economy - optimized” - Crankshaft
Optimally control all belt accessories and reduce energy consumption: “Accessory control and energy efficiency - enhanced” - Fan Drive
Optimize cooling performance by managing fan speed independent of engine speed: “System component cooling - as needed” - Power Steering
Operate PS pump at optimum speed and increase performance and fuel efficiency - Supercharger
More boost and launch power offers opportunities to downsize engine without sacrificing performance: “Engine power and performance - achieved efficiently” - Water Pump
Improve the engine cooling system with a NuVinci water pump drive: “Engine cooling - optimized”
Accessory Drives News & Events Tabs
To learn more about how the revolutionary NuVinci® CVP is redefining mechanical transmission, please take a look at one of these recent press releases.
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