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:
Apr. 15, 2014
Filed:
Dec. 10, 2009
Applicants:
Klaus Busch, Amberg, DE;
Christian Scharf, Ebermannsdorf, DE;
Christoph Wiesner, Amberg, DE;
Inventors:
Assignee:
Siemens AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/02 (2006.01); F04B 17/00 (2006.01); F24F 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oscillating diaphragm fan having a plurality of subunits which each have an oscillating diaphragm that is excited by a magnetic system in an actuator chamber, wherein the air pulsation generated by oscillating diaphragm is discharged outwardly, the actuator chambers of the subunits are connected via means for compensating pressure and are encapsulated outwardly, and the magnetic systems of the subunits are excited out of phase with each other.