Mitsuhiro Fukuda

Title: Mitsuhiro Fukuda: Innovator in Compressor Technology

Introduction

Mitsuhiro Fukuda is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 4 patents. His work primarily focuses on compressor driving devices and their applications in refrigeration systems.

Latest Patents

Fukuda's latest patents include a compressor driving device, a compressor that incorporates this device, and a refrigeration cycle apparatus that utilizes both. The compressor driving device features a controller that employs pulse-width modulation (PWM) to drive the compressor. It includes an inverter circuit unit that supplies power to the electric motor within the compressor, a drive circuit that operates the inverter based on control signals, and detectors for both voltage and current output to the electric motor. This innovative design ensures that when the product of the voltage and current detection values exceeds a predetermined threshold, the duty ratio of the control signal is adjusted to maintain the input power at a safe level.

Another of his patents describes a simple inverter-controlled refrigerator. This refrigerator includes a temperature detector and a constant speed main body control unit that can turn the compressor on or off based on temperature readings. The inverter control unit is connected to this main body control unit and operates based on its power signals. Additionally, a variable speed compressor is controlled by the inverter unit, allowing for efficient temperature management.

Career Highlights

Fukuda has worked with prominent companies in the refrigeration industry, including Panasonic Corporation and Panasonic Appliances Refrigeration Devices Singapore. His experience in these organizations has allowed him to refine his expertise in compressor technology and contribute to advancements in energy-efficient refrigeration solutions.

Collaborations

Throughout his career, Fukuda has collaborated with talented individuals such as Hiroaki Kase and Masaki Sumi. These partnerships have fostered innovation and the development of cutting-edge technologies in the field.

Conclusion

Mitsuhiro Fukuda's contributions to compressor technology and refrigeration systems have made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to advancing energy efficiency and performance in refrigeration applications.