Ragnar Eretveit

Title: Ragnar Eretveit: Innovator in Subsea Technology

Introduction

Ragnar Eretveit is a notable inventor based in Kongsberg, Norway. He has made significant contributions to subsea technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is the "Subsea Variable Speed Drive Apparatus." This invention comprises a pressure-resistant container with a curved wall section and a variable speed drive that includes at least one power electronics module. The module is strategically arranged inside the container and maintained at a predetermined ambient pressure. The heatsink, which is mounted on the internal surface, features a curved surface that corresponds to the internal surface's radius of curvature. This invention also includes a subsea hydrocarbon fluid pumping system that utilizes such variable speed drive apparatuses.

Another significant patent is the "Subsea Power Distribution Device and System." This device features a watertight housing that accommodates at least one transformer with a primary winding and multiple secondary windings. The input terminals are connected to a remote power supply, while the output terminals connect to subsea power-consuming devices. The device includes switches that can break the connections between each secondary winding and its corresponding output terminal, all housed within the watertight enclosure.

Career Highlights

Ragnar has worked with prominent companies in the subsea industry, including FMC Kongsberg Subsea AS and FMC Technologies do Brasil Ltda. His experience in these organizations has allowed him to develop and refine his innovative ideas in subsea technology.

Collaborations

Throughout his career, Ragnar has collaborated with talented professionals such as Ola Jemtland and Torbjørn Strømsvik. These collaborations have contributed to the advancement of subsea technology and the successful development of his patents.

Conclusion

Ragnar Eretveit is a distinguished inventor whose work in subsea technology has led to significant advancements in the field. His patents reflect his commitment to innovation and his ability to address complex challenges in subsea applications.