West Lafayette, Indiana — (July 11, 2016) –TORAD Engineering, LLC presented test results of a 40-ton spool compressor prototype designed specifically for the next-generation of ultra-low Global Warming Potential (GWP), medium pressure refrigerants. Test results approaching 80% overall isentropic efficiency established the prototype compressor’s energy efficiency is already very competitive with screw and scroll compressors. Read More…

Cumming, Georgia — (June 14, 2016) –TORAD Engineering, LLC has tested a new 40-ton spool compressor designed specifically for medium pressure refrigerants such as R134a, as well as low and ultra-low GWP refrigerants like R513A and HFO-1234yf. The new spool compressor has demonstrated improved efficiency and performance characteristics compared to scroll, screw and magnetic bearing Read More…

Cumming, Georgia — (January 19, 2015) – To support the growing demand from its customer base in their path to commercialization, TORAD Engineering has opened the TORAD Commercial Development Center (TCDC). The state-of-the-art facility in Cumming, Georgia measuring 13,000 sq. feet, houses skilled design and manufacturing engineers as well as a full complement of manufacturing Read More…

Purdue University, West Lafayette, Indiana — (July 14, 2014) – TORAD Engineering has released initial performance data for its 6th generation spool compressor prototype. The data was presented by Joe Orosz, TORAD’s chief operating officer, at the 2014 International Compressor Engineering Conference at Purdue University. According to Orosz, “The performance characteristics, low cost structure, and Read More…

ALPHARETTA, GA — (June 9, 2014) – TORAD Engineering announced today that its 6th generation spool compressor prototype has achieved market level energy efficiency. The latest spool compressor mechanism has achieved 80% overall isentropic efficiency which equates to an estimated EER of 22.7 at the SEER B point. Full details of the compressors breakthrough performance Read More…

Birmingham, England – (March 6, 2014) –Greg Kemp, Torad’s Founder and CEO along with Craig Bradshaw PhD, Research Engineer discussed the development of the rotating spool compressor at The Institute of Refrigeration in Birmingham, England. They presented a paper titled “The Road to Reality: Invention to Commercialisation of the Rotating Spool Compressor.” This paper presented Read More…

London, England – (September 9-10, 2013) –Torad Engineering’s very own Craig Bradshaw, PhD a talk at the 2013 International Conference on Compressors and their Systems at City University. The manuscript he presented provided detailed to the Spool Compress tip seal design considerations. Craig presented an analysis which combines the hydrodynamic film theory balanced with the Read More…

Bristol Compressors International, Inc. and Torad Engineering, LLC have entered into a joint agreement for the development and commercialization of Torad’s patented spool machine technology for residential and light commercial air-conditioning applications. A joint team comprised of engineers from Bristol Compressors and Torad Engineering have been working together for the last several months and expect Read More…

ALPHARETTA, GA — (January 23, 2013) – Torad, LLC showcased the next generation in refrigerant compressor technology. Torad’s innovative Spool Compressor offers a simple design, high displacement density, along with a scalable design. The compressor is capable of variable speed operation and will be available in open, semi-hermetic, hermetic configurations for its 5 – 300 Read More…

ALPHARETTA, GA — (January 28, 2013) – Torad Engineering, LLC unveiled their revolutionary multi-fluid injection valve at the AHR Expo in Dallas.  Torad Engineering discloses this novel fluid valve design to provide capacity unloading and vapor/fluid injection to its spool compressor technology. The innovative multi-function fluid valve allows the spool compressor to meet the feature Read More…

Purdue University, Indiana — (July 18, 2012) – Torad Engineering, LLC presented performance data for their fourth generation rotary spool compressor prototype at Purdue University’s International Compressor Conference. Joseph Orosz, president of Torad Compressor presented a paper titled Performance and Operating Characteristics of a Novel Rotating Spool Compressor. Professor Eckhard Groll, chairman of the Purdue Read More…

ALPHARETTA, GA – (July 10, 2012) – Tecumseh Products Company and Torad Engineering announced today they have entered into a joint development and licensing agreement to begin utilizing Torad’s patented spool compressor technology in commercial refrigeration applications. The multi-year partnering agreement has been signed by both parties and initial development work has already begun. The Read More…

ALPHARETTA, GA — (May 30, 2012) — Torad Engineering, LLC announced today the United States Patent & Trademark Office has issued Greg Kemp two patents covering Torad’s spool machine technology. The first patent, US Patent number, 8,113,805, Rotary Fluid-Displacement Assembly, covers the broad use of the spool machine technology for applications ranging from pumps, compressors Read More…

ALPHARETTA, GA — (April 17, 2012) —  Join members of the TORAD leadership team and Advisory Board as they present papers on the following topics at the 21st Compressor Engineering Conference at Purdue University: Comprehensive Model of a Novel Spool Compressor Geometric Relationships and Considerations in the Design of the Spool Compressor Novel Face Seal Design Read More…

ALPHARETTA, GA — (January 29, 2012) — Joe Orosz, TORAD President Compressor, presented on the Spool Compressor at the New Technology Theater during the AHR EXPO. Download the Presentation