Groll, Eckhard Achim

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Innovation Title Categories Lead Inventor
More Effective Cooling Method for Oil-free Linear Compressor
  1. Mechanical Engineering
Zhang, Xinye
In-situ Oil Circulation Ratio Measurement using Separation Method in Systems Running Vapor Compression Cycle
  1. Mechanical Engineering
  2. Civil Engineering
Shah, Vatsal M Manilal
Automated Charge Testing and Accurate Dispersion for Refrigerants
  1. Mechanical Engineering
  2. Materials and Manufacturing
Braun, James Edward
Highly Efficient Control Method for Vapor Compression Cycle
  1. Mechanical Engineering
Groll, Eckhard Achim
Residential Heat Pump for Nordic Climates
  1. Mechanical Engineering
Groll, Eckhard Achim


Dr. Eckhard Groll is the Reilly Professor of Mechanical Engineering and Director of the Office of Professional Practice at Purdue University. He received his B.S. and M.S. from Ruhr-University Bochum and a Ph.D. from the University of Hannover. Dr. Groll was awarded the 2013 Global Engineering Impact Award, 2007 Purdue University Faculty Scholar Award, and the 2007 Ruth and Joel Spira Award. Dr. Groll's research interests are the thermal sciences as applied to heating, ventilating, air conditioning and refrigeration (HVACR) systems and equipment. Research areas include combustion, energy utilization, and thermodynamics.

For additional infromation, visit Dr. Groll's Purdue webpage: