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:
Jul. 17, 1979
Filed:
Nov. 29, 1977
Applicant:
Inventor:
Wilfred H Wilkinson, Turnditch, GB;
Assignee:
Rolls-Royce Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181292 ; 181213 ; 138149 ; 138155 ;
Abstract
A jet pipe wall is made from a honeycomb sandwich structure in which the skin forming one side of the sandwich is cut into many small square sheet pieces so that when differential longitudinal expansion occurs between the skins as a result of lying in fluid flows of differing temperature, the total shear felt by the honeycomb is divided equally between those areas of honeycomb covered by respective small sheet pieces, so that the overall shear effect is reduced.