Company Filing History:
Years Active: 2014-2015
Title: Sedong Chang: Innovator in Refrigerant Systems
Introduction
Sedong Chang is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of refrigerant systems, holding a total of 2 patents. His work focuses on improving the efficiency and functionality of air conditioning systems.
Latest Patents
Chang's latest patents include a refrigerant system and method for controlling the same. This innovative refrigerant system consists of an outdoor unit and multiple indoor units. The outdoor unit is equipped with a compressor and several heat exchangers, while each indoor unit features its own heat exchanger. A detector is utilized to monitor pressures at both the inflow and discharge sides of the compressor. The controller then adjusts the direction of refrigerant flow for the heat exchangers based on the detected pressures, enhancing the system's efficiency.
Another significant patent is for an air conditioner that incorporates multiple compressors with an oil bypass unit. This air conditioning system includes a plurality of compressors, an intake passageway, a bypass unit, and an expansion valve. The intake passageway effectively distributes fluid to each compressor, while the bypass unit features several bypass pipes connected to the compressors and a common bypass pipe that discharges fluids back to the intake passageway. The expansion valve regulates the flow of fluid from the common bypass pipe to the intake unit, optimizing the overall performance of the air conditioning system.
Career Highlights
Sedong Chang is currently employed at LG Electronics Inc., a leading company in the electronics and home appliance industry. His work at LG Electronics has allowed him to apply his innovative ideas in practical applications, contributing to the advancement of air conditioning technology.
Collaborations
Throughout his career, Chang has collaborated with talented coworkers, including Jiyoung Jang and Baikyoung Chung. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Sedong Chang is a prominent inventor whose work in refrigerant systems has made a significant impact on air conditioning technology. His innovative patents reflect his commitment to enhancing efficiency and functionality in this essential field.