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. 08, 2014
Filed:
Aug. 26, 2011
Richard W. Phillips, Eagan, MN (US);
Chad P. Stay, Brooklyn Park, MN (US);
Martin Harrison, Northants, GB;
Peter Wherritt, Oxford, GB;
Richard W. Phillips, Eagan, MN (US);
Chad P. Stay, Brooklyn Park, MN (US);
Martin Harrison, Northants, GB;
Peter Wherritt, Oxford, GB;
Rosemount Aerospace Inc., Burnsville, MN (US);
Oxford RF Sensors Limited, Oxford, GB;
Abstract
An electromagnetic field sensor assembly for blade tip clearance measurement in a gas turbine engine is disclosed that includes a ceramic sensor body, a multi-layered wire coil wound about a distal end portion of the sensor body for producing an electromagnetic field, a ceramic well enclosing the sensor body and the coil, and a metallic housing surrounding the well and having an open distal end.