August 2001
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HP Reliability: Improve turboexpander shaft seals and bearings
Virtually all cryogenic turboexpander seals are either close-fitting labyrinth or noncontacting (dry) gas types. Conventional mechanical seals are not generally used; high velocities prohibit use of c..
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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