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. 08, 2021
Filed:
Nov. 14, 2016
Northrop Grumman Systems Corporation, Falls Church, VA (US);
John K. Shigley, Ogden, UT (US);
Russell J. George, Pleasant View, UT (US);
Martin Neunzert, Ogden, UT (US);
Martin McCulley, West Haven, UT (US);
Marc Hernandez, Ogden, UT (US);
Robert K. Roberts, Willard, UT (US);
Lauren F. Breitenbach, North Ogden, UT (US);
Klaron Cramer, Pleasant View, UT (US);
Northrop Grumman Systems Corporation, Falls Church, VA (US);
Abstract
A liquid rocket engine assembly comprising a thrust chamber, a nozzle, and a joint structure. The joint structure attaches the thrust chamber and the nozzle and comprises at least one seal element and an attachment ring interposed between the thrust chamber and the nozzle. Fasteners extend between the nozzle and the thrust chamber through the at least one seal element and the attachment ring. Materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion. A method of forming a liquid rocket engine assembly is also disclosed.