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:
Nov. 01, 2016
Filed:
Mar. 26, 2013
Snecma, Paris, FR;
Agnes Claire Marie Pesteil, Alfortville, FR;
Vincent Paul Gabriel Perrot, Maisons Alfort, FR;
SNECMA, Paris, FR;
Abstract
A method for designing a multi stage compressor of a turbomachine includes: determining the appropriate number of blades of each rotor blading; determining by instationary computations the trajectories of the slipstreams of the trailing edges of the blades of a rotor blading of an upstream stage n to the leading edges of the blades of a rotor blading of a downstream stage n+1; positioning angularly this rotor blading of the downstream stage n+1 so that the slipstreams pass substantially in the middle of the inter blade circumferential spaces of this blading; repeating these operations for all the stages in order to achieve an aerodynamic coupling on all of the rotor bladings of the compressor; and validating the respective positions of the rotor bladings by new instationary computations on the whole of the compressor.
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