Company Filing History:
Years Active: 1988
Title: Hiroyuki Nagashima: Innovator in Rotary Compressor Technology
Introduction
Hiroyuki Nagashima is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of compressor technology, particularly with his innovative designs that enhance efficiency and functionality.
Latest Patents
Nagashima holds a patent for a multicylinder rotary compressor. This invention features multiple cylinders that house rolling pistons, which are rotated by a common crankshaft. Each cylinder is equipped with a separate suction pipe, and at least one of these pipes includes a check valve. This check valve can be closed to unload the cylinder it is connected to, allowing for improved control and efficiency. The design incorporates a housing and a slider that moves between open and closed positions. The check valve can be activated by introducing high-pressure refrigerant gas or by using a shape-memory alloy spring that deforms when heated. This innovative approach allows for effective unloading of cylinders while ensuring proper lubrication.
Career Highlights
Hiroyuki Nagashima is associated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electrical and electronic equipment industry. His work has contributed to advancements in compressor technology, showcasing his expertise and innovative thinking.
Collaborations
Nagashima has collaborated with notable coworkers, including Sou Suzuki and Keiju Sakaino. Their combined efforts have furthered the development of innovative technologies within their field.
Conclusion
Hiroyuki Nagashima's contributions to rotary compressor technology exemplify his innovative spirit and dedication to engineering excellence. His patent for the multicylinder rotary compressor highlights his ability to solve complex problems in the industry.