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, 2018
Filed:
Feb. 19, 2015
Rolls-royce Deutschland Ltd & CO KG, Blankenfelde-Mahlow, DE;
Volker Guemmer, Mahlow, DE;
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, Blankenfelde-Mahlow, DE;
Abstract
The present invention relates to a blade row group arrangeable in a main flow path of a fluid-flow machine and including N adjacent member blade rows firmly arranged relative to one another in both the meridional direction (m) and the circumferential direction (u), with the number N of the member blade rows being greater than/equal to 2 and (i) designating the running index with values between 1 and N. Here, a front member blade row with front blades (i) having a leading edge VK(i) and a trailing edge HK(i) as well as a rear member blade row with rear blades (i+1) having a leading edge VK(i+1) and a trailing edge HK(i+1) are provided.