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:
Jun. 01, 2021
Filed:
Apr. 12, 2016
Applicant:
Aerojet Rocketdyne, Inc., Sacramento, CA (US);
Inventor:
Arturo Tolentino, Redmond, WA (US);
Assignee:
AEROJET ROCKETDYNE, INC., Redmond, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/08 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/082 (2013.01); F16K 31/0655 (2013.01);
Abstract
A latch valve includes a ferromagnetic shell, a ferromagnetic pole, a permanent magnet disposed within the ferromagnetic shell, an electromagnet disposed within the ferromagnetic shell, a seal, and a magnetic plunger disposed within the ferromagnetic shell. The ferromagnetic shell, the permanent magnet, the electromagnet and the magnetic plunger are configured in a magnetic circuit, and the magnetic plunger is configured to selectively compresses the seal based on a force produced by the magnetic circuit.