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. 24, 2012
Filed:
Mar. 28, 2008
Nicolas M P Evanno, Hilton, GB;
John R Webster, Derby, GB;
Paul W Ferra, Derby, GB;
Rolls-Royce PLC, London, GB;
Abstract
An arrangement for controlling flow of fluid to at least one component of a gas turbine engine, the arrangement includes a first conduit for providing fluid to the component; a flow valve, for controlling the flow of fluid in the first conduit, having first and second configurations; a second conduit for providing fluid to the flow valve to the control the configuration of the flow valve; and a magnetic valve, for controlling the flow of fluid in the second conduit, having first and second configurations and including at least one ferromagnet forming a portion of a magnetic circuit; the member comprising ferromagnetic material is thermally coupled to one of the group comprising the fluid in the first conduit, the fluid in the second conduit and the component; and the configuration of the flow valve is dependent on the configuration of the magnetic valve.