Francis E Dahlem

Title: The Innovations of Francis E. Dahlem

Introduction

Francis E. Dahlem is a notable inventor based in Louisville, KY (US). He holds a total of 3 patents that showcase his contributions to the field of engineering and technology. His work primarily focuses on systems that enhance the efficiency of particulate matter separation and filtration.

Latest Patents

One of his latest patents is a suspension system for mounting filter bags in a baghouse. This innovative system features a pretensioned spring designed to prevent displacement under the weight of the filter bag and a predetermined dust load. However, it allows for momentary displacement during cleaning cycles when additional loading forces are applied. Another significant patent is for an inlet configuration for a cyclone-type particulate matter gas separator device. This design includes two annular, concentrically disposed converging dirty gas channels. The outer channel is equipped with gas flow directing vanes that create a whirling motion in the dirty gas stream, while the inner channel has an adjustable inlet for varying the flow rate of dirty gas. The design ensures effective mixing of the gas streams for optimal separation of particulates.

Career Highlights

Throughout his career, Francis E. Dahlem has worked with reputable companies such as American Air Filter Company, Inc. and Allis-Chalmers Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for air filtration and gas separation technologies.

Collaborations

One of his notable coworkers is John L. Silletto, with whom he has collaborated on various projects throughout his career.

Conclusion

Francis E. Dahlem's contributions to the field of engineering through his patents and collaborations highlight his innovative spirit and dedication to improving filtration and separation technologies. His work continues to influence the industry and inspire future advancements.