This inventor holds 1 USPTO granted patent. Top assignee: Hughes Electronics Corporation. Active years: 1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1997
Title: Firithjof N. Mastrup and the Concentric Pulse Tube Expander
Introduction
Firithjof N. Mastrup is an inventor associated with Hughes Electronics Corporation and based in Rancho Palos Verdes, California. Her work includes a patent for a concentric pulse tube expander, a design for a pulse tube cooler.
Latest Patents
Mastrup’s listed patent, “Concentric Pulse Tube Expander,” describes a cooler with a central pulse tube, a surrounding regenerator, and thermal insulation positioned between them. The design also includes a cold finger assembly, a heat exchanger assembly connected to a surge volume and an operating-gas source, and a pulse tube expander assembly secured to the heat exchanger with a sliding seal.
The seal allows relative axial movement between the expander and heat exchanger assemblies during cooling. The patent describes vacuum or solid insulation as possible materials for the insulation tube. Mastrup is credited with 1 patent.
Career Highlights
Mastrup’s patent focuses on the arrangement and movement of components in a pulse tube cooling system. Its concentric configuration places the regenerator around the pulse tube, while the intervening insulation helps separate the components thermally.
Collaborations
Mastrup’s listed coworkers include Steven C. Soloski and Alan A. Rattray. The patent is associated with Hughes Electronics Corporation.
Conclusion
Firithjof N. Mastrup’s patent documents a concentric pulse tube expander design that combines a surrounding regenerator, thermal insulation, and a sliding seal to support cooling-system operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile