Location History:
- Ibaraki, JP (1982)
- Hitachi, JP (1987 - 1997)
Company Filing History:
11 out of 42,508 
1 out of 57 
1 out of 195 
Years Active: 1982-1997
Title: Inventor Akira Yamada: Innovating in Power Generation and Heat Storage
Introduction: Akira Yamada is a distinguished inventor based in Hitachi, Japan, renowned for his contributions to the fields of power generation and heat management. With a total of 11 patents to his name, Yamada has demonstrated a commitment to advancing technology and improving energy efficiency.
Latest Patents: Among Yamada's latest innovations is a patent for a Rankine cycle power generation system, which introduces a high-efficiency, economic refuse incineration power generation system. This innovative system is designed to provide stable and continuous refuse incineration, even amidst fluctuations in calorific values. The design incorporates a refuse incinerator with a heat exchanger, a coupled steam turbine generator, and a refrigerator that supplies cooling water to the condenser. The system's unique approach ensures that the medium discharged from the steam turbine is effectively circulated back to the boiler for condensation, optimizing the overall power generation process.
Another of Yamada's significant patents involves a heat storage apparatus and method. This invention features a tank that holds a heat storage medium in both upper and lower regions, maintaining temperatures above and below atmospheric levels. To enhance flexibility and reduce heat loss, an intermediate region within the tank maintains a temperature that lies between the upper and lower regions, using an otherwise unused low-grade heat source for adjustment.
Career Highlights: Throughout his career, Akira Yamada has been associated with prominent companies such as Hitachi, Ltd. and Hitachi Plant Engineering & Construction Co., Ltd. His work has primarily focused on the development of energy-efficient systems that harness waste materials and optimize thermal management.
Collaborations: Yamada has collaborated with notable professionals like Yasuo Koseki and Sankichi Takahashi, contributing to the advancement of innovative solutions in energy systems and efficiency.
Conclusion: As an inventor, Akira Yamada has made significant strides in the fields of power generation and heat management. With his innovative patents and collaborations, Yamada continues to push the boundaries of technology, making him a valuable asset in the landscape of modern engineering. His work exemplifies how innovation can lead to enhanced efficiency and sustainability in energy production.