Transcript Document
Oil Free Compressors for Railway Applications
Product Information
Knorr-Bremse Group
Railway Compressors have Special Requirements
Knorr-Bremse Group
Robust and shock resistant
Dirt resistant
Temperature resistant
Noise less
Vibration less
Maintenance friendly
Low life cycle costs (LCC´s)
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To secure the rail safety requirements the products go through intensive examinations
Brake discs and pads
Brake caliper units
Block brake units
Track brakes
Vibration Tests
life cycle tests
shock tests
resonance frequency
Brake discs and pads
Brake caliper units
Block brake units
Track brakes
Research Center
demand research
new developments
investigations
Climatic Chamber
Test benches
low temperatures (-50°C)
high temperatures (+65°C)
material tests
Noise Tests
Knorr-Bremse Group
sound investigations
open air tests
measuring of power and
pressure levels
type tests
performance tests
bearing diagnostic
Field tests
endurance tests
data set monitored
continued controlled
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Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│6
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
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Less problems with Duty Cycle
Oil lubricated Compressor
Oil Free Compressor
condensate
condensate
Crankcase
Oil
Water
Recommended DC oil lubricated compressors >30%
At low DC´s condensate falls out in the crankcase (temperature changing's)
This reduced the lifetime of oil lubricated compressors,
secondary damages are possible!
Knorr-Bremse Group
│8
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│9
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycleduty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│10
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
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Less Complex System
Oil lubricated compressor
A
E
E
Compressor
Dryer
Condensate collector tank
Oil micro mesh filter OEF
Knorr-Bremse Group
A
Oil free compressor
Compressor
Dryer
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Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│13
Very Low Noise Level (Comparison with noise capsule)
57 dB(A)
Knorr-Bremse Group
│14
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│15
Innovate
oil-free compressor
Oil free air (environmental friendly, no
Knorr-Bremse Group
downstream contamination)
Less problems with duty cycle
Cold start at -50°C possible without preheat
Almost maintenance-free, much lower
LCC
Less complex system/ fewer interfaces
(no oil filter, no condensate collector)
Very low noise level and vibrations
Reduced space envelope/ weight
Modular design (communal spares, …)
│16
Thank you very much for your attention
Knorr-Bremse S.R.L.
Mr Adrian Puscasu
Sos. Vitan-Barzesti nr. 9A, Secotr 4
Bucuresti, Romania
Knorr-Bremse Group
Mobile: +40 745 067 770
Email: [email protected]
www.knorr-bremse.ro