Earl L Christian

Title: Innovations by Earl L Christian: A Pioneer in Thermal and Gear Technology

Introduction

Earl L Christian, based in San Diego, CA, is a notable inventor recognized for his innovative patents in the fields of thermal cycling devices and gear technology. With three patents to his name, Christian's work has significantly contributed to advancements in engineering and manufacturing processes.

Latest Patents

One of his latest inventions is the **Thermal Cycling Device**, an apparatus designed with an upper heat chamber and a lower cold chamber aligned vertically. This innovative design enables the transfer of materials between the chambers for thermal testing. The device is capable of reaching temperatures up to about 1000 degrees F in the upper chamber using gaseous nitrogen while the lower chamber is cooled with cryogenic liquid. The externally operated flapper door allows for the seamless transfer of materials, showcasing a robust capability for performing cycle testing on multiple specimens simultaneously.

Another significant invention is the **Spline Gear Reciprocating Lapping Machine**. This advanced apparatus automates the lapping of involute and straight internal or external gear splines. It employs an innovative method to apply force alternatively to each tooth flank, ensuring equal lapping pressure during operation. The machine boasts a design that allows for automatic indexing to new radial positions after specific lapping cycles, contributing to consistent and smooth finishes on gear teeth.

Career Highlights

Earl L Christian has had a remarkable career, working for reputable organizations, including General Dynamics Corporation and its Space Systems Division. His roles in these companies allowed him to work on cutting-edge technologies and contribute to various engineering projects involving aerospace and defense.

Collaborations

Throughout his career, Christian has collaborated with several talented individuals, including Ronald D Blunck and Kyle C Owen. These collaborations have enhanced his work and fostered innovation within the teams he has been part of, leading to practical solutions in engineering challenges.

Conclusion

Earl L Christian's contributions to innovations in thermal cycling devices and gear technology exemplify the spirit of engineering creativity. His patents not only showcase technical excellence but also advance industrial applications that benefit a wide range of sectors, ensuring that his legacy will continue to influence future innovations.