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:
Dec. 14, 1982
Filed:
Jun. 09, 1980
Applicant:
Inventors:
Siegfried Schonwald, Bad Neustadt, DE;
Gert Hecht, Bremen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415 / ; 415177 ; 4152 / ;
Abstract
A multistage side-channel compressor including a plurality of housings for the individual compressor stages. Each of the housings consists of a pair of housing halves and are disposed axially one behind the other and are connected to each other. The improvement of the invention comprises the provision of a plurality of circumferential, radially outwardly extending cooling fins on the outer surface of each of the housing halves of the compressor disposed axially inwardly between the housing halves disposed axially outermost at the ends of the compressor.