This inventor holds 6 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1978-1993.
Company Filing History:
Years Active: 1978-1993
Title: Motohiro Shiga: Innovator in Rotary Compressor Technology
Introduction
Motohiro Shiga is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of rotary compressor technology, holding a total of 6 patents. His innovative designs have improved the efficiency and functionality of compressors used in various applications.
Latest Patents
Shiga's latest patents include a rotary compressor with shaft balancers and a hermetic rotary compressor with balancing weights. The rotary compressor features an electric motor and a compressing mechanism connected by a crank shaft, with a rolling piston driven by an eccentric portion of the crank shaft. This design incorporates first, second, and third balancers that allow for fine adjustments to ensure optimal performance. The hermetic rotary compressor includes a motor unit and an oil-lubricated compressor unit, with a unique lower balancing weight that prevents undesirable stirring of fluid during operation.
Career Highlights
Motohiro Shiga has dedicated his career to advancing compressor technology at Hitachi, Ltd. His work has been instrumental in developing more efficient and reliable compressors, which are essential in various industrial applications. His innovative approach has garnered recognition within the engineering community.
Collaborations
Shiga has collaborated with esteemed colleagues such as Kazuo Sato and Fumio Fujisawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in compressor technology.
Conclusion
Motohiro Shiga's contributions to rotary compressor technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving industrial machinery.