David Bengt Johan Ankargren

Title: **David Bengt Johan Ankargren: A Pioneer in Hydraulic Innovations**

Introduction

David Bengt Johan Ankargren is an innovative inventor based in Kristiansand, Norway. He has contributed significantly to the field of hydraulic systems, holding three patents that showcase his expertise and dedication to advancing technology.

Latest Patents

Ankargren's latest inventions demonstrate his ability to improve efficiency and functionality in hydraulic applications. His notable patents include:

1. **Apparatus and Method for Recuperation of Hydraulic Energy**

This invention presents an apparatus designed for the recuperation of hydraulic energy from an actuator. It comprises a first hydraulic machine with a first drive and a second hydraulic machine with a second drive, both mechanically coupled. The unique feature is the hydraulic communication between the first machine and an actuator, while the second machine is linked to an accumulator, enabling the recovery and reuse of energy.

2. **Heave Compensating System**

Ankargren has also developed a heave compensating system for marine vessels. This system includes a hydraulic machine that is designed to couple with a load suspended from the vessel, effectively adjusting the distance between the load and the vessel in response to heaving motion. Additionally, it incorporates a second hydraulic machine in fluid communication with a hydraulic accumulator, both machines are interconnected and operated by a shared electric motor controlled by an integrated system designed to manage hydraulic movements efficiently.

Career Highlights

David works at National Oilwell Varco Norway AS, where he has established himself as a key player in the development of hydraulic technologies. His inventions not only contribute to his company’s portfolio but also present innovative solutions to industry challenges.

Collaborations

Throughout his career, Ankargren has had the opportunity to collaborate with esteemed colleagues such as Jochen Pohl and Christian B. Von Der Ohe. These partnerships have allowed him to refine his ideas and bring innovative concepts to fruition.

Conclusion

David Bengt Johan Ankargren stands out as a significant contributor to hydraulic innovation, with a proven track record of creating patents that enhance performance in marine and industrial applications. His work continues to impact the field of hydraulics positively, establishing him as a respected inventor in Norway.