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. 27, 2015
Filed:
Oct. 25, 2011
Applicants:
Won-joong Kim, Changwon, KR;
Jong-sub Shin, Changwon, KR;
Inventors:
Won-joong Kim, Changwon, KR;
Jong-sub Shin, Changwon, KR;
Assignee:
Samsung Techwin Co., Ltd., Changwon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 1/06 (2006.01); F04D 17/12 (2006.01); F04D 25/16 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F04D 17/12 (2013.01); F04D 25/163 (2013.01); F04D 29/5826 (2013.01);
Abstract
Provided is a multi-stage compressor which includes: a first-stage compressing unit which includes a first compressing element with an impeller and a second compressing element with an impeller, the first and second compressing elements being connected to each other; and a rear-stage compressing unit which includes at least one rear compressing element with an impeller, wherein the rear-stage compressing unit receives a fluid compressed and output from the first-stage compressing unit.