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:
Aug. 16, 2016
Filed:
Aug. 28, 2009
Applicants:
Welm Friedrichsen, Nordborg, DK;
Palle Olsen, Nordborg, DK;
Erik Haugaard, Graasten, DK;
Inventors:
Assignee:
Danfoss A/S, Nordborg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/02 (2006.01); F04F 13/00 (2009.01); B01D 61/06 (2006.01); B01D 61/10 (2006.01); B01D 61/12 (2006.01);
U.S. Cl.
CPC ...
F04F 13/00 (2013.01); B01D 61/025 (2013.01); B01D 61/06 (2013.01); B01D 61/10 (2013.01); B01D 61/12 (2013.01); B01D 2311/246 (2013.01); B01D 2313/243 (2013.01); B01D 2313/246 (2013.01);
Abstract
The invention concerns a reverse osmosis system () with a membrane unit () comprising an inlet (), a permeate outlet () and a concentrate outlet (), a high-pressure pump () that is connected to the inlet (), a pressure exchanger () connected on its concentrate side () to the concentrate outlet (), and a booster pump between the pressure exchanger () and the inlet (). It is endeavored to make the energy consumption as small as possible. For this purpose, the booster pump is made as a displacement pump.