Company Filing History:
Years Active: 1985-1988
Title: Innovations of Yoshihisa Uneyama
Introduction
Yoshihisa Uneyama is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of motor-driven compressors, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of compressors used in refrigeration cycles.
Latest Patents
One of his latest patents is the "Motor-driven compressor provided with torque control device." This invention is designed to control the output torque of the electric motor driving the compressor, ensuring it aligns with the load torque required for compression. This innovation effectively reduces revolutional torsional vibrations that can occur due to discrepancies between load torque and output torque. Another significant patent is the "Torque control apparatus for enclosed compressors." This apparatus detects the load torque applied to the compressor using a position detector and a temperature detector. It adjusts the voltage or current supplied to the compressor based on the detected load torque, thereby controlling the motor output torque.
Career Highlights
Yoshihisa Uneyama is associated with Hitachi, Ltd., where he has been instrumental in developing advanced technologies in compressor systems. His expertise in torque control mechanisms has positioned him as a key figure in the innovation of refrigeration technologies.
Collaborations
He has collaborated with notable coworkers, including Masatsune Sutou and Kenichi Iizuka, contributing to various projects that enhance the functionality and efficiency of compressors.
Conclusion
Yoshihisa Uneyama's contributions to the field of motor-driven compressors reflect his commitment to innovation and efficiency. His patents demonstrate a deep understanding of the complexities involved in compressor technology, making him a valuable inventor in this domain.