The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Jan. 09, 2024
The Boeing Company, Arlington, VA (US);
Handoko Hadisurya, La Mirada, CA (US);
John R. Hull, Seattle, WA (US);
Robert J. Atmur, Whittier, CA (US);
The Boeing Company, Arlington, VA (US);
Abstract
A propellant valve includes a ferromagnetic shell and a pair of coils within an opening of the ferromagnetic shell. The propellant valve includes a bobbin extending from an upper section of the ferromagnetic shell to a lower section of the ferromagnetic shell. The bobbin seals the opening of the ferromagnetic shell. The propellant valve includes an upper ferromagnetic pole coupled to an upper portion of the bobbin. The propellant valve includes a lower ferromagnetic pole coupled to a lower portion of the bobbin. The propellant valve includes a ferromagnetic filter retainer coupled to the upper ferromagnetic pole. The propellant valve includes a magnet configured to move between a top portion of the lower ferromagnetic pole and a bottom portion of the ferromagnetic filter retainer based on a magnetic field generated by the pair of coils.