Location History:
- Pittsburgh, PA (US) (1977)
- Penn Hills Township, Allegheny County, PA (US) (1987 - 1988)
- Penn Hills, PA (US) (1987 - 1990)
Company Filing History:
Years Active: 1977-1990
Title: Innovations by Inventor James R. Marshall in Nuclear Reactor Technology
Introduction
James R. Marshall, an accomplished inventor located in Penn Hills, PA, has made significant contributions to the field of nuclear reactor technology. With a total of 13 patents to his name, Marshall's inventions focus on improving reactor containment arrangements, which are crucial for ensuring safety and efficiency in nuclear power generation.
Latest Patents
Two of his latest patents include innovative designs for a permanent cavity seal ring for nuclear reactor containment arrangements. The first patent describes a permanent cavity ring seal that extends across an annular expansion gap between a reactor pressure vessel and a containment wall, providing a water-tight seal. This design includes a support ring with inner and outer downwardly extending cylindrical sections, along with an L-shaped seal that enhances its effectiveness. Neutron shielding material is strategically suspended within the annular gap, ensuring thorough protection, while thermal insulation contributes to the overall efficiency of the containment structure.
The second patent further develops the concept of the annular seal ring, featuring a support ring supported by radial beams and flexible seals that ensure a proper fit between crucial components. Manways and ports allow for necessary access and airflow, enhancing cooling capabilities through innovatively designed pathways.
Career Highlights
Throughout his career, James R. Marshall has been associated with Westinghouse Electric Corporation, where his expertise has played a vital role in advancing nuclear technology. His extensive experience and innovative thinking have positioned him as a key figure in the development of safer nuclear reactors.
Collaborations
In his journey as an inventor, Marshall has collaborated with notable engineers such as Roy T. Hardin, Jr. and Leonard P. Hornak. Their teamwork has led to the refinement of designs and approaches toward improving reactor safety and efficiency.
Conclusion
James R. Marshall's contributions to nuclear reactor engineering underscore his importance in the field of innovation. With 13 patents to his credit, his work not only enhances reactor safety but also contributes to the future of nuclear energy. The collaborations and innovations pioneered by Marshall and his colleagues will continue to impact the industry for years to come.