Introduction: Toshiharu Yasu, an esteemed inventor based in Shiga, Japan, has made remarkable contributions to the field of compressor technology. With a portfolio of ten patents, Yasu has significantly advanced the performance and efficiency of hermetic rotary compressors. His innovative designs cater to the growing demand for energy-efficient and reliable refrigeration solutions.

Latest Patents: Among his latest patents, Yasu has developed a groundbreaking hermetic rotary compressor that operates two cylinders simultaneously during standard operations. This design allows for the halting of one cylinder when switching to a half-capacity mode, thus enhancing efficiency. The vane room of the inactive cylinder is tightly sealed to maintain a controlled lubricant atmosphere within the hermetic case. An oil-supplying groove ensures ample lubrication for the vane in the halted cylinder. Another notable patent involves a dual-cylinder hermetic rotary compressor, where the first cylinder continuously operates thanks to a spring member biasing a first vane. The second cylinder's operation is regulated by introducing either sucking or discharge pressure via a pressure introducing pipe, which optimizes the overall refrigeration cycle.

Career Highlights: Toshiharu Yasu is currently associated with Matsushita Electric Industrial Co., Ltd., a distinguished company recognized for its technological innovations. Over the years, Yasu has established himself as a leader in compressor technology, with his inventive spirit driving the company’s advancements in energy-saving appliances.

Collaborations: At Matsushita Electric Industrial Co., Ltd., Yasu works alongside esteemed colleagues Masahiro Tsubokawa and Yoshiharu Takeuchi. Their collaborative efforts foster a creative environment that has led to several advancements in the field of refrigeration technology.

Conclusion: Toshiharu Yasu’s contributions to hermetic rotary compressor technology are invaluable. His ten patents demonstrate a commitment to innovation and efficiency, paving the way for enhanced refrigeration systems that meet modern demands. As Yasu continues to innovate, his work will likely inspire future generations of inventors in the field.

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