Air Compressor Duty Cycle Reduction in Passenger Bus Application

Paper #:
  • 2015-01-0139

Published:
  • 2015-04-14
Citation:
Gangwar, H., Sharma, A., Dabhole, D., and Prasad, A., "Air Compressor Duty Cycle Reduction in Passenger Bus Application," SAE Technical Paper 2015-01-0139, 2015, https://doi.org/10.4271/2015-01-0139.
Pages:
8
Abstract:
Today urban buses are equipped with more air consuming devices for an example pneumatic doors, exhaust brake, air suspension and in SCR system to name a few. This has resulted in higher air demand leading to high compressor duty cycles which cause conditions (such as higher compressor head temperatures) that may adversely affect air brake charging system performance. These conditions may require additional maintenance due to a higher amount of oil vapor droplets being passed along into the air brake system. Factors that add to the duty cycle are air suspension, additional air accessories, use of an undersized compressor, frequent stops, excessive air leakage from fittings, connections, lines, chambers or valves, etc.This paper discussed about methodology used to reduce air consumption of air consuming devices used in urban bus application. Performance assessment of air consuming devices with minimum available air pressure was conducted and found satisfactory. Overall results as reduction in air compressor duty cycle.
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