Location History:
- Syracuse, NY (US) (1999)
- Jamesville, NY (US) (2019)
Company Filing History:
Years Active: 1999-2019
Title: Martin O Johnsen: Innovator in Refrigeration Technology
Introduction
Martin O Johnsen is a notable inventor based in Jamesville, NY (US), recognized for his contributions to refrigeration technology. With a total of 2 patents, he has made significant advancements in the field, particularly in monitoring and controlling refrigerant levels in refrigeration systems.
Latest Patents
Johnsen's latest patents include a "Refrigerant Level Monitor for Refrigeration System" and a "Discharge Pressure Control System for Transport Refrigeration Unit." The refrigerant level monitor features a refrigeration system that includes a refrigerant vapor compression unit with a compressor and current sensors to determine total system current draw. It also incorporates pressure sensors to measure refrigerant pressure, allowing a controller to compare current draw and refrigerant pressure to acceptable ranges, ultimately determining the refrigerant charge level. The discharge pressure control system utilizes a pressure transducer and a data processor to manage compressor discharge pressure, enhancing system capacity and reducing cycling during operation.
Career Highlights
Johnsen is currently employed at Carrier Corporation, a leading company in the HVAC industry. His work focuses on developing innovative solutions that improve the efficiency and reliability of refrigeration systems.
Collaborations
Throughout his career, Johnsen has collaborated with esteemed colleagues such as Joseph H Lee and Thomas J Benedict, contributing to the advancement of refrigeration technologies.
Conclusion
Martin O Johnsen's innovative work in refrigeration technology has led to significant advancements in the industry. His patents reflect a commitment to improving system efficiency and reliability, making him a valuable contributor to the field.