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. 10, 2008
Filed:
Nov. 29, 2005
Alison J Mcmillan, Uttoxeter, GB;
Andrew D Jackson, Derby, GB;
Alison J McMillan, Uttoxeter, GB;
Andrew D Jackson, Derby, GB;
Rolls-Royce plc, London, GB;
Abstract
A composite blade () comprises a root portion () and an aerofoil portion (). The aerofoil portion () has a tip (), a chord (C), a leading edge (), a trailing edge (), a suction surface () extending from the leading edge () to the trailing edge () and a pressure surface extending from the leading edge () to the trailing edge (). The composite blade () comprises reinforcing fibres () in a matrix material (). The aerofoil portion () adjacent the root portion () has regions () at least at the leading edge () and trailing edge () comprising an asymmetric lay up of reinforcing fibres () and the aerofoil portion () adjacent the tip () having at least a region () at the mid-chord comprising an asymmetric lay up of reinforcing fibres ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile