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:
Mar. 23, 2021
Filed:
Jun. 15, 2017
Applicant:
Aerojet Rocketdyne, Inc., Sacramento, CA (US);
Inventors:
Jiten R. Patel, Jupiter, FL (US);
Jim A. Clark, Jupiter, FL (US);
Charles Whipple, IV, Okeechobee, FL (US);
Assignee:
AEROJET ROCKETDYNE, INC., Rancho Cordova, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02K 9/97 (2006.01); F02K 9/64 (2006.01); F02K 9/90 (2006.01); B64G 1/40 (2006.01); F02K 9/62 (2006.01);
U.S. Cl.
CPC ...
F02K 9/972 (2013.01); B64G 1/401 (2013.01); F02K 9/62 (2013.01); F02K 9/64 (2013.01); F02K 9/90 (2013.01); F02K 9/97 (2013.01); F05D 2230/31 (2013.01); F05D 2240/12 (2013.01); F05D 2240/128 (2013.01); F05D 2260/20 (2013.01); F05D 2260/205 (2013.01); F05D 2300/603 (2013.01);
Abstract
A liquid propellant rocket engine includes a combustion chamber that has a throat and a nozzle aft of the throat. The nozzle has a first nozzle section adjacent the throat and a second nozzle section aft of the first nozzle section. The first nozzle section includes active cooling features and the second nozzle section excludes any active cooling features. The first nozzle section is operative via at least the active cooling features to form a condensate that passively cools the second nozzle section.