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:
May. 14, 2024
Filed:
Aug. 29, 2019
Applicant:
Fresenius Medical Care Deutschland Gmbh, Bad Homburg, DE;
Inventor:
Alexander Heide, Eppstein, DE;
Assignee:
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH, Bad Homburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 9/00 (2006.01); A61M 60/232 (2021.01); A61M 60/538 (2021.01); F04D 13/06 (2006.01); F04D 15/00 (2006.01); F04D 29/048 (2006.01);
U.S. Cl.
CPC ...
F04D 9/004 (2013.01); A61M 60/232 (2021.01); A61M 60/538 (2021.01); F04D 13/06 (2013.01); F04D 15/0027 (2013.01); F04D 15/0066 (2013.01); F04D 29/048 (2013.01);
Abstract
A pumping device for pumping liquids includes a centrifugal pump with a radially pumping pump wheel having a hollow center, and is configured to remove accumulations of gas from the interior of the pump. The pumping device includes a detecting device for detecting a first operating parameter, a sensor for measuring a second operating parameter, and a control unit for controlling the pump. The control unit is configured to control the operation of the pump so as to remove accumulations of gas from the hollow center of the pump during liquid pumping operation.