Kazuo Matsushita

Title: Kazuo Matsushita: Innovator in Concrete Vibrator Technology

Introduction

Kazuo Matsushita is a notable inventor from Ohmiya, Japan, recognized for his contributions to concrete vibrator technology. His innovative approach has led to the development of a unique concrete vibrator that employs advanced motor technology.

Latest Patents

Matsushita holds a patent for a concrete vibrator that utilizes a sensorless semiconductor motor for driving an exciter. This design features a system where the rotational position of the permanent magnet rotor is sensed through a voltage induced from three-phase stator windings. This method allows for a more reliable operation, as it avoids the use of Hall elements, which are susceptible to damage from vibration and heat. The motor's current supply is controlled by a semiconductor inverter, managed through a PWM or PAM system, enhancing its efficiency and durability.

Career Highlights

Throughout his career, Matsushita has worked with prominent companies, including Sinano Electric Co., Ltd. and Mikasa Sangyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in the field of electrical engineering and motor technology.

Collaborations

Matsushita has collaborated with notable individuals in the industry, including Kenji Yoshida and Akinobu Shionoya. These partnerships have fostered innovation and development in the technologies they worked on together.

Conclusion

Kazuo Matsushita's contributions to concrete vibrator technology exemplify his innovative spirit and dedication to engineering. His patent reflects a significant advancement in the field, showcasing the importance of reliable and efficient motor systems in construction applications.