Company Filing History:
Years Active: 2001-2011
Title: Tohru Nakazono: Innovator in Engine Technology
Introduction
Tohru Nakazono is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of engine technology, particularly in the development of homogeneous charge compressed ignition engines. With a total of 5 patents to his name, Nakazono's work has advanced the efficiency and performance of combustion engines.
Latest Patents
One of Nakazono's latest patents is a method for operating a homogeneous charge compressed ignition engine. This innovative approach allows for a compression ignition operation to be performed by spark ignition, effectively shortening both the load input time and the load cutoff time. In this method, a mixture gas is burned by compression ignition within a combustion chamber, where fuel and air are mixed beforehand to create the mixture gas. The engine is equipped with a spark ignition device that ignites the mixture gas, while a temperature controller maintains a constant intake air temperature. The operation of the engine can switch between spark ignition, spark-assist compression ignition, and non-spark compression ignition based on the load's magnitude.
Another notable patent involves a similar method for operating a homogeneous charge compressed ignition engine. In this case, the mixture gas is again burned by compression ignition in a cylinder's combustion chamber. The engine includes an ignition plug that performs spark ignition on the mixture gas. This patent sets advance-angle and delay-angle limits for spark ignition timing, allowing for the compression ignition of the mixture gas to be induced at the appropriate timing. Spark ignition is performed supplementarily based on the operating conditions between these limits.
Career Highlights
Throughout his career, Tohru Nakazono has worked with notable companies such as Yanmar Co., Ltd. and Yanmar Diesel Engine Co., Ltd. His experience in these organizations has contributed to his expertise in engine technology and innovation.
Collaborations
Nakazono has collaborated with several talented individuals in his field, including Hiroyuki Ohtsubo and Takayuki Shirouzu. These collaborations have likely enriched his work and led to further advancements in engine technology.
Conclusion
Tohru Nakazono is a distinguished inventor whose contributions to homogeneous charge compressed ignition engines have made a significant impact on the automotive industry. His innovative methods and patents continue to influence the development of more efficient and effective engine technologies.