Nancy K Smrcka

Title: Innovations by Nancy K Smrcka in Diesel Engine Lubrication

Introduction

Nancy K Smrcka is a notable inventor based in Point Richmond, California. She has made significant contributions to the field of diesel engine lubrication, particularly with her innovative approach to creating a chlorine-free lubricating composition. Her work is essential for enhancing the performance and longevity of railway diesel engines.

Latest Patents

Nancy K Smrcka holds one patent for a chlorine-free diesel engine lubricating composition. This composition is designed to be essentially free of zinc dithiophosphate wear inhibitors and chlorinated inhibitors. It includes an oil of lubricating viscosity, a noncarbonated sulfurized calcium alkyl phenate, a carbonated sulfurized calcium alkyl phenate, a calcium Mannich alkyl phenate, and an ethylene carbonate modified polybutene bis-succinimide. The noncarbonated sulfurized calcium alkyl phenate has a sulfur to metal ratio between 1.1:1 and 2:1, with the alkyl group containing 8 to 35 carbon atoms. The alkalinity value of this phenate ranges from 40 to 200 mg. KOH/gram. The preparation of the noncarbonated sulfurized metal alkyl phenate involves reacting a tetrapropylene phenol, sulfur, and a calcium base.

Career Highlights

Nancy is currently employed at Chevron Research and Technology Company, a division of Chevron U.S.A. Her role at this prestigious company allows her to work on cutting-edge technologies that contribute to the advancement of diesel engine lubrication.

Collaborations

One of her notable coworkers is Wesley A Middleton, with whom she collaborates on various projects related to engine lubrication technologies.

Conclusion

Nancy K Smrcka's innovative work in developing a chlorine-free diesel engine lubricating composition showcases her commitment to improving engine performance and environmental sustainability. Her contributions are vital to the future of diesel engine technology.