December 2008
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HP Reliability: Consider oil mist for positive-displacement blowers
Positive-displacement blowers (Fig. 1) are often used to move air ranging in pressures from slightly negative to about 15 psig (~ 1 bar) positive. These rotary-lobe machines..
The Author
Heinz P. Bloch resides in Montgomery, Texas. He retired as Exxon Chemical’s Regional Machinery Specialist for the U.S. and has authored or co-written more than 780 publications, among them 23 comprehensive books on practical machinery management, failure analysis, failure avoidance, compressors, steam turbines, pumps, oil mist lubrication and optimized lubrication for industry. Mr. Bloch holds BS and MS degrees (cum laude) in mechanical engineering from the Newark College of Engineering (NCE). He is one of 10 inaugural inductees into NCE’s Hall of Fame, which honors its most distinguished alumni.
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