Vai-Man Lei

Title: Innovations of Vai-Man Lei in Turbocharger Technology

Introduction

Vai-Man Lei is an accomplished inventor based in Torrance, CA, known for his significant contributions to turbocharger technology. With a focus on enhancing the efficiency and performance of turbochargers, he has developed innovative solutions that have impacted the automotive industry.

Latest Patents

One of Vai-Man Lei's notable patents is for a turbocharger with a two-stage compressor, which includes a twin-wheel parallel-flow first stage. This invention features a single-shaft exhaust gas-driven turbocharger that incorporates two parallel-flow first-stage centrifugal compressors in series with a single second-stage centrifugal compressor. The design also includes a one-stage turbine that drives both the first- and second-stage centrifugal compressors via a single shaft, on which the compressors and turbine are fixedly mounted. The compressor housing is designed with multiple circumferentially spaced inlet ducts for the second wheel of the first stage, as well as interstage ducts leading from a vaneless diffuser of the first stage into the inlet of the second stage. This innovative design enhances the overall performance and efficiency of turbocharging systems.

Career Highlights

Throughout his career, Vai-Man Lei has worked with prominent companies in the industry, including Honeywell International Inc. and Garrett Transportation Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in turbocharger technology.

Collaborations

Vai-Man Lei has collaborated with notable professionals in the field, including Steven Don Arnold and Will J Smith. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced turbocharging solutions.

Conclusion

Vai-Man Lei's contributions to turbocharger technology exemplify his dedication to innovation and engineering excellence. His patent for a two-stage compressor turbocharger showcases his ability to solve complex engineering challenges and improve automotive performance. His work continues to influence the industry and inspire future advancements in turbocharging technology.