Guided-rotor compressor

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The guided-rotor compressor (GRC) is a positive-displacement rotary gas compressor. The compression volume is defined by the trochoidally rotating rotor mounted on an eccentric drive shaft[1][2] with a typical 80 to 85% adiabatic efficiency.[3]


As the guided-rotor compressor rotates around the eccentric shaft, the central rotor pumps fluid

The development of the GRC started in 1990 to minimize the use of compressor valve plates and springs by using simple inlet/discharge ports.[4]


The guided-rotor compressor is under research as a hydrogen compressor for hydrogen stations and hydrogen pipeline transport.[5]

See also


  1. ^ GRC - Detailed description and defining geometry
  2. ^ Hydrogen delivery liquefaction & compression Archived 2012-03-14 at the Wayback Machine.
  3. ^ Mechanical properties
  4. ^ Development history
  5. ^ Overview of interstate hydrogen pipeline systems
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