James C Polak is a notable inventor based in Indianapolis, IN (US), recognized for his contributions to automotive technology. He holds a total of 7 patents, showcasing his innovative spirit and technical expertise in clutch assembly and transmission systems.

Latest Patents

Among his latest patents, Polak has developed a clutch assembly with a pressure balance chamber. This innovative design features two pistons, each with an apply chamber that independently controls the engagement of respective friction plates. The assembly includes an axially fixed wall adjacent to the pistons, allowing fluid to be admitted between the wall and the pistons. This design effectively counteracts centrifugal pressure generated in the fluid during the rotation of the clutch assembly. Another significant patent is for a multi-ratio transmission, which incorporates three friction clutches and one synchronized mechanical clutch assembly to provide five forward speed ratios. An additional mechanical clutch allows for the inclusion of a reverse ratio, enabling sequential or skip-shifting through a well-designed gearing arrangement.

Career Highlights

Polak is currently associated with GM Global Technology Operations LLC, where he continues to push the boundaries of automotive innovation. His work has significantly impacted the efficiency and performance of vehicle transmission systems.

Collaborations

Throughout his career, Polak has collaborated with talented individuals such as Reece R Fuehrer and Donald Klemen, contributing to the advancement of automotive technologies.

Conclusion

James C Polak stands out as a prominent inventor in the field of automotive technology, with a focus on clutch assembly and transmission systems. His innovative patents reflect his dedication to enhancing vehicle performance and efficiency.

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