Hisao Ookawa

Title: Hisao Ookawa: Innovator in Crankcase Emission Control Technology

Introduction

Hisao Ookawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, particularly in the area of emission control. His innovative designs aim to enhance engine efficiency while reducing environmental impact.

Latest Patents

Hisao Ookawa holds a patent for a crankcase emission control device. This device features a gas/liquid separator that effectively separates oil mist from blow-by gases. The design includes a first passage connecting the crankcase to a valve rocker cover chamber, a second passage leading to the gas/liquid separator, and a third passage extending to the engine's intake system. Notably, the gas/liquid separator is integrally formed by the cylinder head, positioned below the intake ports to minimize the overall height of the engine construction.

Career Highlights

Throughout his career, Hisao Ookawa has worked with prominent companies in the automotive industry. He has been associated with Nissan Motor Company Limited and Aichi Machine Industry Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.

Collaborations

Hisao Ookawa has collaborated with talented individuals in his field, including Michihiro Masubuchi and Masatoshi Hada. These collaborations have contributed to the advancement of technology in crankcase emission control.

Conclusion

Hisao Ookawa's work in crankcase emission control technology exemplifies his commitment to innovation and environmental sustainability. His contributions continue to influence the automotive industry and promote cleaner engine designs.