Randy R. Koivisto is a notable inventor based in Fort Smith, Arkansas. He has made significant contributions to the field of electronic control systems, particularly in the area of refrigerant circuits. With a total of 5 patents to his name, Koivisto's work has had a meaningful impact on air conditioning technology.

Latest Patents

One of his latest patents is titled "Apparatus and methods for controlling an electronic expansion valve in a refrigerant circuit." This invention features a specially designed electronic expansion valve control system intended for use in refrigerant-based air conditioning circuits. The system includes a compressor, a condenser coil, an electronic expansion valve, and an evaporator coil fluid coupled in series. The control system consists of a unit control that receives compressor operation-related signal information and generates output signals. Additionally, the expansion valve control receives these output signals and coil operation-related signal information to produce a control signal that effectively manages the expansion valve.

Career Highlights

Randy Koivisto has been associated with Rheem Manufacturing Company, where he has applied his expertise in developing innovative solutions for air conditioning systems. His work has contributed to advancements in energy efficiency and system performance.

Collaborations

Throughout his career, Koivisto has collaborated with talented individuals such as Kelvin W. Kleman and Jeremy Lee Babb. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies.

Conclusion

Randy R. Koivisto's contributions to the field of electronic control systems in air conditioning are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology in this essential industry.