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:
May. 13, 2008
Filed:
Dec. 13, 2004
Applicant:
William B. Watkins, Tequesta, FL (US);
Inventor:
William B. Watkins, Tequesta, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 9/64 (2006.01); F28D 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rocket engine chamber has a back structure and a heat exchanger structure located radially inwardly of the back structure. The heat exchanger structure has a plurality of integrally formed cooling passageways with adjacent ones of the passageways having a common sidewall structure. Each passageway has a top section which forms the wall that contacts the hot gases. The top section is formed by a wall structure having an inner and outer surface formed by an arc of a circle and a substantially constant wall thickness.