John W Schroeder

Title: John W. Schroeder: Innovator in Fluid-Sealing Technology

Introduction

John W. Schroeder is a notable inventor based in Orange, California, recognized for his contributions to fluid-sealing technology. With a total of three patents to his name, he has made significant advancements in the field, particularly in harsh environments.

Latest Patents

One of his latest patents is a "Rotary fluid-sealing structure using speed-reduction stages." This invention provides a rotary fluid-sealing structure designed for harsh environments, effectively reducing the PV pressure (pressure multiplied by velocity) that a sealing system may encounter. The design incorporates a rotary speed-reducing planetary gear system, which can have multiple stages. The amount of velocity reduction is determined by the number of stages and the planetary gear ratios. This innovation presents several alternatives for sealing under extreme conditions, such as those found in the interface between a wash-pipe and a rotary drilling string in a drilling rig.

Another significant patent is the "Self-contained anti-blowout seal for fluids or gases." This self-contained anti-blowout seal features a seal jacket with a static seal surface and a dynamic seal lip, creating a cavity between them. A retaining ring is partially disposed within the cavity of the seal jacket, pressing the static seal surface against a mounting surface. The retaining ring includes a surface that bears against the mounting surface and a depending portion that extends over the cavity opening, featuring at least one port for enabling a sealing medium to enter and exit the cavity as the seal is pressure energized. Additionally, a biasing element is included in the cavity to force the dynamic seal lip against a moving member.

Career Highlights

Throughout his career, John W. Schroeder has worked with reputable companies, including Bal Seal Engineering Company and Bal Seal Engineering, Inc. His work has significantly impacted the development of sealing technologies used in various industrial applications.

Collaborations

John has collaborated with notable professionals in the field, including Peter J. Balsells and Rodney Schapel. Their combined expertise has contributed to the advancement of fluid-sealing technologies.

Conclusion

John W. Schroeder's innovative work in fluid-sealing technology has led to significant advancements that enhance performance in challenging environments. His patents reflect a deep understanding of engineering principles and a commitment to solving complex problems in the industry.