Stefan Haellgren

Title: The Innovative Contributions of Stefan Haellgren

Introduction

Stefan Haellgren is a notable inventor based in Trollhaettan, Sweden. He has made significant contributions to the field of hydrostatic assemblies, showcasing his expertise through his innovative patent.

Latest Patents

Stefan Haellgren holds a patent for a hydrostatic assembly that employs a hydraulic piston drive unit. This invention enhances output without the need for additional servo assemblies by incorporating a second hydraulic piston drive unit. The design couples the drive shafts of both units and utilizes a common mechanism to adjust the displacement of both hydraulic piston drive units simultaneously. This innovative approach reduces the amplitude of pressure pulsations associated with the hydrostatic assembly output, resulting in smoother operation and improved durability.

Career Highlights

Throughout his career, Stefan has worked with prominent companies such as Parker-Hannifin Corporation and Kinetics Drive Solutions Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in hydraulic technology.

Collaborations

Stefan has collaborated with talented individuals in his field, including Per-Ola Vallebrant and John Czepak. These partnerships have fostered innovation and the sharing of ideas, further enhancing the development of hydrostatic systems.

Conclusion

Stefan Haellgren's contributions to hydrostatic assembly technology demonstrate his innovative spirit and commitment to improving engineering solutions. His patent reflects a significant advancement in the field, showcasing his expertise and dedication to innovation.