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:
Jan. 10, 2023
Filed:
Jan. 04, 2019
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Heinz-Jürgen Feld, Niederwil, CH;
Marcel Joho, Auenstein, CH;
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 35/12 (2006.01); F02B 37/00 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F02M 35/1211 (2013.01); F02B 37/00 (2013.01); F02M 35/1288 (2013.01); F04D 29/664 (2013.01);
Abstract
A filter muffler includes a front element, a rear element, and a plurality of damping elements arranged between the front element and the rear element, where the damping elements are arranged radially around a central axis of the filter muffler such that a flow channel is formed between adjacent damping elements, where respective outflow-side ends of the damping elements have a diffuser element which has an outflow-side tapering, and where an angle α between two opposite sides of the diffuser element is selected from a range of 1°≤α≤8°.