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. 13, 2012
Filed:
Dec. 22, 2008
Applicants:
Marco Rose, Freiberg, DE;
Rene Spieweg, Berlin, DE;
Inventors:
Marco Rose, Freiberg, DE;
Rene Spieweg, Berlin, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02K 1/00 (2006.01); B64D 33/04 (2006.01); B63H 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nozzle includes first guiding elements () circumferentially arranged at a nozzle rim (). To reduce sound emission while keeping flow losses low, second guiding elements () are also circumferentially arranged at the nozzle rim (), with one of the first and second guiding elements () being diffuser-type and the other of the first and second guiding elements () being nozzle-type and with both types of guiding elements circumferentially alternating with each other.