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:
Aug. 08, 1995
Filed:
Jun. 15, 1978
Applicant:
Inventor:
David W Artt, Belfast, GB;
Assignee:
Rolls-Royce, plc, Derby, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416 95 ; 16510426 ; 415114 ; 416 / ;
Abstract
A heat pipe, which may for instance be in the form of an aerofoil blade for a gas turbine engine, is provided with capillary means which is in two different forms. One form is constituted by a porous material and the other constituted by grooves formed in the surface of the internal wall of the heat pipe.