Cheruvari Karthik Hari Dharan

Title: Cheruvari Karthik Hari Dharan: Innovator in Flywheel Energy Storage Technology

Introduction

Cheruvari Karthik Hari Dharan is a notable inventor based in Berkeley, California. He has made significant contributions to the field of energy storage, particularly through his innovative flywheel technology. With a total of six patents to his name, his work focuses on enhancing energy efficiency and reducing costs in energy storage systems.

Latest Patents

One of his latest patents involves a flywheel device used for energy storage, which includes a hermetically sealed cylinder section and a disc-shaped rotor arranged within the cylinder section. This flywheel energy storage system incorporates various design and processing embodiments to achieve a high ratio of energy stored per unit cost. The system utilizes a high-strength steel rotor rotating in a vacuum envelope, ensuring high yield strength throughout its cross-section by using low-cost quenched and tempered alloy steels. The rotor is forged in a single piece with integral shafts, contributing to cost-effectiveness. Additionally, a pre-conditioning treatment allows for high energy density with adequate safety margins. The bearing and suspension system employs an electromagnet that off-loads the rotor, enabling the use of low-cost, conventional rolling contact bearings over an extended operating lifetime.

Another significant patent is for an integrated flywheel energy storage system. This system comprises a rotor made of ferrous material, which spins around a rotational axis within a vacuum-sealed housing. It includes a vacuum pump to maintain the vacuum, an electromagnet to apply a magnetic field and lift the rotor vertically, and at least one bearing positioned between the rotor and the housing. A controller is in communication with both the electromagnet and the vacuum pump, allowing for efficient operation.

Career Highlights

Throughout his career, Cheruvari Karthik Hari Dharan has worked with prominent companies such as Saint-Augustin Canada Electric Inc. and Quantum Energy Storage Corporation. His experience in these organizations has contributed to his expertise in energy storage technologies.

Collaborations

Cheruvari has collaborated with notable individuals in the field, including Phil Alei and Preston Brendel. These collaborations have further enriched his work and innovations in energy storage systems.

Conclusion

Cheruvari Karthik Hari Dharan is a pioneering inventor whose contributions to flywheel energy storage technology are noteworthy. His innovative patents and career achievements reflect his commitment to advancing energy efficiency and sustainability.