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:
Feb. 21, 2023

Filed:

Nov. 12, 2018
Applicant:

Eagleburgmann Germany Gmbh & Co. KG, Wolfratshausen, DE;

Inventors:

Markus Bareis, Pflugdorf, DE;

Christian Eisfeld, Wolfratshausen, DE;

Martin Ertl, Holzhausen, DE;

Christoph Karner, Geretsried, DE;

Hans-Georg Scherer, Geretsried, DE;

Berthold Schulten, Geretsried, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 3/02 (2006.01); F04D 1/00 (2006.01); F04D 13/02 (2006.01); F04D 1/02 (2006.01); F04D 13/12 (2006.01); F04D 29/041 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F04D 3/02 (2013.01); F04D 1/006 (2013.01); F04D 1/025 (2013.01); F04D 13/026 (2013.01); F04D 13/12 (2013.01); F04D 13/024 (2013.01); F04D 29/041 (2013.01); F16J 15/3484 (2013.01);
Abstract

The invention relates to a pump assembly, especially of a mechanical seal assembly, for supplying a fluid, especially to a mechanical seal (), comprising exactly one drive () comprising a drive shaft (), a first axial pump (), which conveys the fluid in the axial direction (X-X) of the drive shaft, a second axial pump (), which conveys the fluid in the axial direction of the drive shaft, and a radial pump (), which conveys the fluid in the radial direction (R) of the drive shaft, wherein the first axial pump () and the second axial pump () are arranged in front of the radial pump () in the flow-through direction (B) of the fluid across the pump assembly, and wherein the drive () simultaneously drives the first axial pump (), the second axial pump () and the radial pump ().


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