Satoshi Kawasumi

Title: Satoshi Kawasumi: Innovator in Brake Booster Technology

Introduction

Satoshi Kawasumi is a notable inventor based in Takahama, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of brake booster devices. With a total of 9 patents to his name, Kawasumi's innovations have enhanced vehicle safety and performance.

Latest Patents

Kawasumi's latest patents include a brake booster device designed for use in vehicle brake systems. This device features a partition member that divides the interior of the booster shell into front and rear chambers. A piston, which is movable with the partition member, operates within the booster shell. The control valve body, carried on the piston, moves toward and away from the rear surface of the piston through a predetermined amount. An air valve member is also included within the piston, urged by a compression spring to move rearwardly. When the brake pedal is engaged, the air valve member is moved forwardly by an input rod, allowing atmospheric pressure to reach the rear chamber. This action moves the partition member and piston forward from a home position. Conversely, when the brake pedal is released, the control valve leads a negative pressure from the front chamber to the rear chamber, allowing the partition member and piston to return to the home position via a return spring. The movement of the piston subsequently operates a master cylinder to generate braking power.

Another significant patent is the vehicle brake booster apparatus, which includes a housing and a power piston that divides the interior into a first and second pressure chamber. The power piston moves in response to pressure differences between these chambers. An axially movable input rod connects to the brake pedal, while an output rod connects to the master cylinder. A control valve within the power piston regulates the pressure difference, and a reaction device applies the force produced by the master cylinder to the input rod.

Career Highlights

Kawasumi has worked with prominent companies in the automotive industry, including Aisin Seiki and Advics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative automotive solutions.

Collaborations

Throughout his career, Kawasumi has collaborated with talented individuals such as Yuzuru Sugiura and Kazuhiko Suzuki. These partnerships have fostered a creative environment that has led to the development of advanced technologies in brake