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.

Date of Patent:
May. 12, 2020

Filed:

Sep. 18, 2014
Applicant:

Bitzer Kuehlmaschinenbau Gmbh, Sindelfingen, DE;

Inventors:

Dominic Kienzle, Renningen, DE;

Ashraf Agha, Sindelfingen, DE;

Stephan Roelke, Filderstadt, DE;

Assignee:

BITZER Kuehlmaschinenbau GmbH, Sindelfingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 29/06 (2006.01); F01N 13/00 (2010.01); F01N 1/08 (2006.01); F04C 29/12 (2006.01); F04C 29/00 (2006.01);
U.S. Cl.
CPC ...
F04C 29/068 (2013.01); F01N 1/083 (2013.01); F01N 1/089 (2013.01); F01N 13/002 (2013.01); F01N 13/007 (2013.01); F04C 29/061 (2013.01); F04C 29/065 (2013.01); F04C 29/12 (2013.01); F01N 2490/02 (2013.01); F01N 2490/08 (2013.01); F01N 2490/20 (2013.01); F04C 29/0035 (2013.01); F04C 2240/804 (2013.01); F04C 2250/10 (2013.01); F04C 2250/102 (2013.01);
Abstract

In order to further improve the sound damping in a refrigerant compressor comprising a common housing, a screw-type compressor in a common housing has a compressor housing that is formed as part of the common housing with a first sound absorber unit which is arranged in the common housing. The first sound absorber unit is arranged adjacent a housing window, and the sound absorber unit comprises at least one chamber which is located between an inlet opening and an outlet opening and which widens out relative to the inlet opening and to the outlet opening in a direction transverse to a direction of flow.


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Kienzle, Dominic. (2020). Sound absorber for refrigerant compressor (U.S. Patent No. 10648472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10648472

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